CN210595159U

CN210595159U - Well lid opening tool

Info

Publication number: CN210595159U
Application number: CN201920809375.0U
Authority: CN
Inventors: 詹威鹏
Original assignee: Shenzhen Power Supply Bureau Co Ltd
Current assignee: Shenzhen Power Supply Bureau Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-22
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a well lid opening tool, it includes: a support frame; the lever is provided with a first end and a second end which are opposite, and the position of the lever close to the first end is hinged with the supporting frame; the second end of the lever can move along the vertical direction to drive the first end of the lever to move along the opposite direction; the lever is rotatable or movable in a horizontal plane; and a hanger connected to a first end of the lever; and a hook part is arranged at one end of the hanging piece far away from the lever. Above-mentioned well lid opening tool utilizes lever principle, uses less strength to push down the second end of lever alright lift the first end of lever, and then mentions the well lid through hanging piece and lifting hook portion to can easily open the well lid.

Description

Well lid opening tool

Technical Field

The utility model relates to a well lid opening field especially relates to a well lid opening tool.

Background

With the development of cities, various underground pipelines are densely distributed below roads, sidewalks and other positions, and work wells are arranged to serve as access ports for overhauling the underground pipelines. In order to prevent personnel from falling into the working wells, the working well access holes are shielded by adopting well covers. Generally, when an operator needs to overhaul an underground pipeline and the like, the well lid lifting hook is used for opening the well lid so as to enter a working well to carry out the overhaul and other operations.

Generally, a manhole cover lifting hook includes a vertical lifting rod having a T-shaped handle at an upper end thereof and a T-shaped lifting hook portion at a lower end thereof. The operating personnel holds the lifting rod to stretch the T-shaped lifting hook part into a manhole cover hole (in a strip shape or a circular shape) on the manhole cover, then rotates the T-shaped lifting hook part by 90 degrees, and then lifts the manhole cover by holding the T-shaped handle. However, the manhole cover may not be opened due to the overweight of the manhole cover or insufficient strength of the operator.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a well lid opening tool that can easily open the well lid.

A manhole cover opening tool comprising:

a support frame;

the lever is provided with a first end and a second end which are opposite, and the position of the lever close to the first end is hinged with the supporting frame; the second end of the lever can move along the vertical direction to drive the first end of the lever to move along the opposite direction; the lever is rotatable or movable in a horizontal plane; and

a hanger connected to a first end of the lever; and a hook part is arranged at one end of the hanging piece far away from the lever.

Above-mentioned well lid opening tool utilizes lever principle, uses less strength to push down the second end of lever alright lift the first end of lever, and then mentions the well lid through hanging piece and lifting hook portion to can easily open the well lid.

In one embodiment, the relative position of the support frame and the lever is adjustable along the direction from the first end to the second end of the lever.

In one embodiment, the first end of the lever is telescopic and/or the second end of the lever is telescopic.

In one embodiment, the support frame comprises a support rod connected with the lever and a base arranged at one end of the support rod far away from the lever, and the support rod can rotate relative to the base to drive the lever to rotate in a horizontal plane.

In one embodiment, the support frame comprises a support rod connected with the lever and a base arranged at one end of the support rod far away from the lever, and a pedal is arranged on the base.

In one embodiment, the hanging part comprises a main hanging part and three branch hanging parts connected with one end of the main hanging part far away from the lever, the included angle between the branch hanging parts and the main hanging part is adjustable, and the lifting hook parts are arranged at one ends of the three branch hanging parts far away from the main hanging part.

In one embodiment, the length of the main hanger and/or the branch hangers is adjustable.

In one embodiment, a handle is detachably arranged at one end of the lever, which is far away from the hanging piece; the handle is sleeved with a soft rubber sleeve with concave-convex grains.

In one embodiment, the hanger is removably coupled to the lever.

In one embodiment, the lever is a galvanized round steel tube.

Drawings

Fig. 1 is a schematic structural view of the well lid opening tool provided in an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, an embodiment of the present invention provides a well lid opening tool 100, which includes a support frame 110, a lever 130, and a hanger 150.

The lever 130 has a first end 131 and a second end 133 opposite to each other, and the lever 130 is hinged to the supporting bracket 110 at a position close to the first end 131. The second end 133 of the lever 130 is movable in a vertical direction to move the first end 131 of the lever 130 in an opposite direction. In the horizontal plane, the lever 130 can be rotated or moved.

It can be understood that the lever 130 is hinged to the support bracket 110 near the first end 131, and the position of the lever 130 hinged to the support bracket 110 is closer to the first end 131 than the position of the lever 130 hinged to the support bracket 110 to the second end 133. In other words, the length of the lever 130 on the side of the support bracket 110 near the first end 131 is smaller than the length of the lever 130 on the side of the support bracket 110 near the second end 133.

The hanger 150 is connected to the first end 131 of the lever 130; the end of the hanger 150 remote from the lever 130 is provided with a hook 151.

Specifically, in the present embodiment, the hook lifting portion 151 is a T-shaped hook lifting portion. It will be appreciated that in other possible embodiments, the lifting hook 151 is not limited to a T-shaped lifting hook, and may be inserted into a manhole cover hole of a manhole cover and lifted.

Above-mentioned well lid opening tool 100 utilizes lever principle, uses less strength to push down the second end 133 of lever 130 alright lift first end 131 of lever 130, and then lifts the well lid through hanging piece 150 and lifting hook portion 151 to can easily open the well lid.

In addition, the operating personnel can open the well lid by using less strength, thereby avoiding the phenomenon that the operating personnel are injured due to overlarge strength or improper posture.

Furthermore, because the operating force of operating personnel can be reduced through well lid opener 100, so can utilize well lid opener 100 to open the heavier well lid of weight, or because of not opening for a long time and by the obstructed well lid of silt etc. for well lid opener's application scope is wider.

Moreover, operating personnel uses less strength just can open the well lid to can reduce the operation degree of difficulty of opening the well lid, reduce the time of opening the well lid, improve the well lid and open efficiency, and then improve the efficiency of operations such as pipeline maintenance.

In the horizontal plane, lever 130 is rotatable, so after mentioning the well lid, the accessible rotates the mode of lever, removes the well lid to the position on worker's well next door to avoid the phenomenon that the well lid falls to worker's well carelessly, and then effectively guaranteed the operating personnel's of operation in worker's well operation safety.

Of course, it will be appreciated that after the well lid has been moved to the side of the working well, the well lid may also be placed to the side of the working well by gradually removing the depression of the second end 133 of the lever 130, thereby reducing the human effort.

Specifically, in the present embodiment, the lever 130 is connected to the supporting frame 110 through the rotary joint 120. Specifically, in this embodiment, the rotary joint 120 is a stud fixedly disposed on the support frame 110, the lever 130 is provided with an internal thread matching with the stud, and the lever is in threaded connection with the rotary joint, so that the lever can rotate relative to the stud, and further the lever can rotate relative to the support frame 110. In addition, since the position of the lever 130 connected to the support bracket 110 is located between the first end 131 and the second end 133 of the lever 130, the first end 131 of the lever 130 can be lifted by pressing down the second end 133 of the lever 130.

It will be appreciated that in other possible embodiments, the manner in which the lever is pivotally connected to the support bracket is not limited thereto.

In this embodiment, the supporting frame 110 includes a supporting rod 111 connected to the lever 130 and a base 113 disposed at an end of the supporting rod 111 away from the lever 130. The supporting rod 111 can rotate relative to the base 113 to rotate the lever 130 in the horizontal plane.

Specifically, in the present embodiment, the supporting rod 111 is connected to the base 113 through a bearing 115. One end of the support rod 111 far from the lever 130 is inserted into the bearing inner ring of the bearing 115. A groove is formed on the base 113, and an outer ring of the bearing 115 is inserted into the groove of the base 113.

It will be appreciated that in other possible embodiments, the rotatable connection of the support rod to the base is not limited thereto, and for example, the rotatable connection of the support rod to the base may be achieved by providing mating internal and external threads on the support rod and the base, respectively.

In addition, it will be appreciated that in other possible embodiments, the rotation of the lever is not limited to being achieved by rotation of the support rod. For example, an intermediate member may be disposed between the support rod and the lever, and the rotation of the intermediate member may drive the lever to rotate in a horizontal plane. For another example, a lever is connected to the support rod via a universal wheel, so that the lever can be directly rotated by operating the lever.

It should be noted that in other embodiments, the manhole cover is not limited to be moved to the side of the working well by rotating the lever. For example, in one possible embodiment, the lever is movable in a horizontal plane, so that movement of the well lid is brought about by the movement of the lever to move the well lid to the side of the working well.

Specifically, in one possible embodiment, the support frame includes a support rod connected to the lever and a base disposed at an end of the support rod away from the lever, and the support rod is movably disposed on the base in a horizontal direction. Therefore, the lever can be driven to move through the movement of the supporting rod, so that the well cover lifted by the lever can be moved to the side of the working well.

More specifically, be equipped with the spout on the base, the bracing piece is movably inserted and is located in the spout.

Optionally, set up on the support frame and remove the locating part to in-process of mentioning the well lid through the lever, the relative base of restriction bracing piece removes, thereby be convenient for mention the well lid with the lever is steady.

Further, in another possible embodiment, a rotation limiting member is disposed on the supporting frame, so that in the process of moving the supporting rod, the rotation of the lever is limited, and therefore the lever can be moved to the side of the working well smoothly.

Of course, it is understood that in other possible embodiments, the manner in which the support bar is movable relative to the base is not limited thereto.

Further, in other possible embodiments, the manner in which the movement of the lever in the horizontal plane is achieved is not limited thereto. For example, the lever may be arranged to move relative to the support.

It should be noted that in another embodiment, the support frame is configured to support the lever, and the connection relationship between the support frame and the lever enables the first end and the second end of the lever to move in opposite directions in the vertical direction, and enables the lever to rotate or move in the horizontal direction.

Referring to fig. 1, in the present embodiment, a pedal 114 is disposed on the base 113. When the well lid is lifted by the well lid opening tool 100, the operator can step on the pedal 114 by feet, so that the support frame 110 can be more stably arranged on the ground, and further the support lever 130 can be more stably arranged, so that the well lid can be stably lifted, the safety of the operator is ensured to a certain extent, and the operator is prevented from falling when the well lid is lifted.

More specifically, the base 113 includes a main body 1131 and three support columns 1133 fixedly disposed on the lower side of the main body 1131. The bottom ends of the three support columns 1133 are inclined outwards, and form an included angle of 30 degrees with the support rod 111, and are uniformly distributed on the lower side of the main body 1131, so that the more stable support body 1131 is formed, that is, the base 113 is placed on the ground more stably, and further the support lever 130 which can more stably support the support frame 110 is formed.

In this embodiment, a handle 190 is detachably disposed at an end of the lever 130 away from the hanger 150, so as to facilitate the operation of the operator. Further, the cover is equipped with the soft gum cover that has the raised grain on the handle 190 to prevent that operating personnel from the slippage when holding handle 190, thereby can be more firm mention the well lid.

In this embodiment, the lifting hook 151 is detachable. Specifically, the hook portion 151 is detachably provided on the hanger 150. Therefore, the lifting part 151 with a proper size can be selected when the well lid is lifted, and the application range of the well lid opening tool 100 can be widened.

Alternatively, the end of the hanger 150 remote from the end of the lever 130 is provided with a link having a break, and the top of the hook portion 151 is provided with an inverted U-shaped member, so that the U-shaped member can be hung on the link having the break at the end of the hanger, so that if the hook portion 151 is hung on the hanger 150.

Optionally, a lock catch is further provided at the fracture having the chain link to close the fracture of the chain link when the lock catch is locked, so as to prevent the hook member 151 from falling off, thereby ensuring safety in weather well cover.

Alternatively, in another possible embodiment, the manner in which the lifting hook portion 151 is detachable is not limited thereto. For example, hang a piece and lifting hook portion integrated into one piece, and hang a piece and can dismantle with the lever and be connected to also can change lifting hook piece and hanging piece according to the size or the model of well lid etc. with increase well lid opening tool's application scope.

In addition, the hanger is detachably connected with the lever, thereby facilitating the storage and carrying of the hanger and the lever.

In this embodiment, the lever 130 is a galvanized round steel pipe. In one aspect, the lever 130 is made of steel material, thereby ensuring the strength of the lever 130 and thus preventing the lever 130 from being broken when lifting the manhole cover. On the other hand, the lever 130 has a tubular shape, so that the lever 130 has a light weight and is convenient to carry the well lid opening tool 100.

In addition, in the present embodiment, the support bracket 110 is formed of a galvanized steel column. On one hand, the supporting frame 110 is made of steel, so that the supporting strength of the supporting frame 110 is ensured, and the supporting lever 130 is prevented from being bent due to excessive stress, so as to be stable. On the other hand, the supporting frame 110 is formed by a solid steel column, so that the supporting frame 110 can be placed on the ground more stably, and the lever 130 can be supported more stably.

In this embodiment, the hanging member 150 is a chain. The first end 131 of the lever 130 is fixedly provided with a U-shaped hanger 132, and the hanger 150 is hung on the U-shaped hanger.

It will be appreciated that in alternative embodiments, the hanger 150 is not limited to a chain, but may be formed of other elements having a strength to support heavier forces.

In this embodiment, the supporting frame 110, the lever 130 and the hanging piece 150 are all foldable, so as to reduce the occupied space of the well lid opening tool 100, and facilitate the storage and carrying of the well lid opening tool.

It will be understood that in other possible embodiments, the structure of the lifting element can also be in other various regular or irregular shapes, so that the manhole cover can be lifted under the action of the lever.

In one possible embodiment, the relative position of the support frame and the lever is adjustable in a direction from the first end to the second end of the lever. The length that is located the one side that is close to first end of support frame of adjustment lever can be according to the size of well lid for the position around the worker's well can be placed to the support frame stably. In addition, can also utilize the well lid opening tool to open under the prerequisite of well lid, the length that is located the one side that is close to first end of support frame of lever reduces as far as to the required operating force of maximize reduction, can utilize littleer power to open the well lid promptly.

In one possible embodiment, the first end of the lever is telescopic, so that the length of the side of the lever near the first end of the support frame can be adjusted by the telescopic movement of the first section of the lever. Therefore, the support frame can be stably placed at the position around the work well. Also can be when the diameter of well lid is less, shorten the length that is located the one side that is close to first end of support frame of lever as far as to reduce the operating force that opens the well lid and need.

In addition, the first end of lever is scalable, can also reduce well lid opening tool occupation space's size through shortening the length that is located one side of being close to first end of lever, thereby the well lid opening tool's of being convenient for storage and carrying.

In one possible embodiment, the second end of the lever is telescopic. So that the length of the lever on the side of the support frame close to the second end can be adjusted through the extension and contraction of the second end of the lever. In particular, the operating force required to open the well lid can be reduced by increasing the length of the lever on the side of the support frame near the second end.

In a feasible embodiment, the hanging piece comprises a main hanging piece and three branch hanging pieces movably connected with one end of the main hanging piece far away from the lever, the included angle between the branch hanging pieces and the main hanging piece is adjustable, and the ends of the three branch hanging pieces far away from the main hanging piece are provided with lifting hook parts. Thereby can stretch into the well lid on the well lid downthehole respectively with the lifting hook part, utilize a well lid opening tool alright promptly with mentioning the well lid.

It can be understood that the branch hangs the piece and hangs the contained angle of piece adjustable with main to can hang the contained angle of piece and main hanging piece through adjusting the branch, in order to hang the lifting hook part of piece with three branch and stretch into the well lid on the well lid downthehole respectively, with the well lid that adapts to different diameters or model.

Optionally, the length of the main hanger is adjustable to accommodate different heights and different sizes of well lids.

Optionally, the length of the branch hanger is adjustable to accommodate different heights and different sizes of well lids.

It will be appreciated that in other possible embodiments the hanger may also comprise two or more than three branch hangers to accommodate well lids having different numbers of well lid apertures.

Further, in a feasible embodiment, the branch lifting pieces are detachably connected with the main lifting piece, so that the branch lifting pieces with proper number can be selected according to the number of the well cover holes of the well cover.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A well lid opening tool, comprising:

a support frame;

2. The well lid opening tool of claim 1, wherein a relative position of the support bracket and the lever is adjustable in a direction from the first end to the second end of the lever.

3. The well lid opening tool of claim 1, wherein the first end of the lever is retractable and/or the second end of the lever is retractable.

4. The well lid opening tool of claim 1, wherein the support frame comprises a support rod connected to the lever and a base disposed at an end of the support rod remote from the lever, wherein the support rod is rotatable relative to the base to drive the lever to rotate in a horizontal plane.

5. The well lid opening tool of claim 1, wherein the support frame comprises a support rod connected to the lever and a base disposed at an end of the support rod remote from the lever, the base having a pedal disposed thereon.

6. The well lid opening tool according to claim 1, wherein the hanging member comprises a main hanging member and three branch hanging members connected with one end of the main hanging member far away from the lever, the included angle between the branch hanging members and the main hanging member is adjustable, and the hook portions are arranged at one ends of the three branch hanging members far away from the main hanging member.

7. The well lid opening tool of claim 6, wherein the main hanger and/or the branch hangers are adjustable in length.

8. The well lid opening tool according to claim 1, wherein a handle is detachably provided at an end of the lever away from the hanger; the handle is sleeved with a soft rubber sleeve with concave-convex grains.

9. The well lid opening tool of claim 1, wherein the hanger is removably connected to the lever.

10. The well lid opening tool of claim 1, wherein the lever is a galvanized round steel tube.