CN215835025U

CN215835025U - Special lifting tool for cable trench cover plate

Info

Publication number: CN215835025U
Application number: CN202122430141.5U
Authority: CN
Inventors: 黎凡森; 罗孝辉; 刘娜; 宋金龙; 唐轲; 罗禹
Original assignee: State Grid Sichuan Electric Power Co Ltd
Current assignee: State Grid Sichuan Electric Power Co Ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-15
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a special lifting tool for a cable trench cover plate, which comprises a handle, a pull rod and an opening piece, wherein the pull rod is connected with the handle; one axial end of the pull rod is connected with the opening piece, and the axial line of the pull rod is perpendicular to the axial line of the opening piece; t type handle is installed to the axial other end of pull rod, the axial length of opening the piece is greater than the minimum aperture of trench cover, will open in the piece stretches into trench cover's aperture, later rotatory opening to the minimum aperture department that is greater than trench cover, block trench cover promptly, later handheld handle is upwards can be followed well edge with trench cover with exerting oneself, realize effectively and easy purpose of upwards uncovering trench cover, the damage instrument of uncovering has been avoided simultaneously, because open in the piece can stretch into trench cover's aperture and effectively block trench cover, so trench cover is difficult for appearing the landing phenomenon and leads to pounding the foot.

Description

Special lifting tool for cable trench cover plate

Technical Field

The utility model relates to a cable trench cover opening device, in particular to a special lifting tool for a cable trench cover.

Background

With the rapid development of economy in China, the requirements on city beautification and power supply safety are increasingly improved. The city is transformed and newly-built electric wires, electric cables and optical cables are changed into the open air to be underground, so that more and more cable ditches are arranged in the city. The operation maintenance and the regular inspection of the cable trench and the cable in the trench are more and more frequent, in order to check and know the conditions in the cable trench, the cable trench cover plate needs to be turned over, in order to protect the cable and prevent the cable trench from being damaged by external force, the cable trench cover plate used in practice is a firm and thick reinforced concrete cover plate, the trench cover is turned up by two hands by using a traditional tool, because the cable trench cover plate is heavy, two persons are required to lift and move, manpower is consumed, and soil dregs are embedded between the cover plate and the cable well outdoors for a long time, so that the cable trench cover plate is very difficult to turn over, on one hand, tools are often damaged, on the other hand, because the interior of the cover plate is in a humid environment for a long time, the cable trench cover plate is easy to slip when being tilted, and sometimes the feet are hit due to the slip at the moment of tilting the cable trench cover plate. Therefore, a tool for conveniently uncovering the cover plate and preventing the cover plate from sliding off is needed to assist in the maintenance of the cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems that a cable trench cover plate is not easy to uncover and is easy to slide off in the lifting process, and aims to provide a special lifting tool for the cable trench cover plate, wherein an opening piece is clamped into a small hole in the trench cover plate, and when the cover plate is lifted upwards by a handle, the cover plate can be effectively and easily uncovered, so that the operation and maintenance work can be normally carried out; meanwhile, the cover plate is prevented from sliding off when the cover plate is turned over.

The utility model is realized by the following technical scheme:

a special lifting tool for a cable trench cover plate comprises a handle, a pull rod and an opening piece; one axial end of the pull rod is connected with the opening piece, and the axial line of the pull rod is perpendicular to the axial line of the opening piece; the other axial end of the pull rod is provided with a T-shaped handle, and the axial length of the opening piece is larger than the minimum aperture of the trench cover plate.

According to the working principle of the utility model, the opening piece is firstly extended into a small hole of the trench cover plate, then the opening piece is rotated to a position larger than the minimum aperture of the trench cover plate, namely the trench cover plate is clamped, then the trench cover plate can be lifted from the well edge by holding the handle to force upwards, the purpose of effectively and easily uncovering the trench cover plate upwards is realized, and meanwhile, the uncovering tool is prevented from being damaged. After upwards proposing the trench cover, reverse rotation handle once more, can set up the axial of opening the piece into the axial direction parallel with the handle, axial through the handle can clearly judge the axial of opening the piece, I shape simple structure, so that the operation, the reverse rotation who opens the piece this moment leaves the minimum aperture department of trench cover, can separate instrument and trench cover, because open in can stretching into the aperture of trench cover and effectively block the trench cover, so the trench cover is difficult for appearing the landing phenomenon and leads to pounding the foot.

Further, the pull rod comprises a first rod piece, a second rod piece and a clamping piece; one end of the first rod piece is connected with the opening piece, the other end of the first rod piece is connected with the handle, the outer diameter of the first rod piece is smaller than the inner diameter of the second rod piece, the clamping piece and one end of the second rod piece are integrally formed, the axial line of the clamping piece is vertical to the axial line of the second rod piece, the axial length of the clamping piece is larger than the minimum aperture of the trench cover plate, the clamping piece and the second rod piece are sleeved outside the first rod piece, the second rod piece is movably connected with the first rod piece, a fixing device for fixing the first rod piece and the second rod piece is arranged outside the second rod piece, the second rod piece and the clamping piece are arranged, when the opening member is put into the small hole of the trench cover plate, the second rod member can be rotated to drive the clamping member to rotate, and the clamping member and the opening member are in a cross structure, because the joint spare is fixed, can make the opening piece fix in the trench cover better, be difficult for the landing when upwards lifting up the trench cover, avoid opening the piece from downthehole roll-off.

Furthermore, the first rod piece comprises a lifting rod and a fixed rod, the outer diameter of the lifting rod is smaller than the inner diameter of the fixed rod, and a plurality of threaded holes are formed in the lifting rod; a screw is arranged on the fixed rod; wherein, the screw is mutually supported with the screw hole, and is fixed lifter and dead lever, height-adjusting about first member can be effectual uses this instrument to the people of different heights.

Furthermore, anti-skidding sleeves are arranged at two ends of the handle.

Furthermore, the outer wall of the anti-slip sleeve is provided with the salient points, so that friction force is increased, and slipping of a user when the user holds the handle can be effectively prevented.

Further, one end of the pull rod is welded to the middle position of the outer wall of the handle; the other end of pull rod welds the middle part position of opening an outer wall, the connected mode between pull rod and the handle contains multiple mode, if welding, threaded connection, trip connection etc. this scheme then adopts the welded mode, will respectively the pull rod with open the piece and the pull rod is connected with the handle to improve between pull rod and the opening, the joint strength between pull rod and the handle, simple structure is but joint strength is high, and is not fragile.

Further, handle, pull rod and opening piece are cylindrically, just the material that pull rod, opening piece and/or handle adopted, including the steel of different yield values, the pull rod and opening piece adopt Q275 steel, the handle adopts Q235 steel, because the steel intensity of adoption improves, and tensile strength is good, can guarantee that the instrument is not fragile and the cost is lower, and the while is light and easy to take, can effectively support and uncover the trench cover board.

Further, the length of the pull rod is 1100mm-1300 mm; the length of the handle is 110mm-130mm, the opening piece can adopt a linear structure, and the linear structure is simple and can easily extend into the small hole of the trench cover plate, so that the effect of convenient operation is achieved.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. according to the special lifting tool for the cable trench cover plate, provided by the embodiment of the utility model, the axial length of the opening piece is greater than the minimum aperture of the trench cover plate, so that the trench cover plate can be effectively, easily and easily uncovered upwards, and meanwhile, the uncovering tool is prevented from being damaged; the opening piece can extend into the small hole of the trench cover plate and effectively clamp the trench cover plate, so that the trench cover plate is not easy to slip off to smash the foot;

2. according to the special lifting tool for the cable trench cover plate, the connecting mode between the pull rod and the handle is connected in a welding mode, so that the connecting strength between the pull rod and the opening piece and between the pull rod and the handle is improved, and the special lifting tool is not easy to damage; the other end of the pull rod in the axial direction is connected with a handle, and when the trench cover plate is lifted upwards, the handle is held by hands instead of the pull rod, so that the trench cover plate can be conveniently held by hands and labor is saved; the pull rod, the opening piece and/or the handle are made of steel materials with different yield values, so that the strength is improved, the tensile property is good, tools are not easy to damage and have lower cost, and meanwhile, the pull rod, the opening piece and/or the handle are light and easy to take, can effectively support and uncover the trench cover plate, and also has the advantages of high efficiency, safety and reliability;

3. according to the special lifting tool for the cable trench cover plate, the height of the tool can be adjusted by arranging the lifting rod and the fixing rod, the bottom end of the second rod piece is connected with the clamping piece, and when the lifting tool is used, the clamping piece and the opening piece are rotated to form a cross structure, so that the lifting tool can be clamped in the trench cover plate more stably, and the trench cover plate is prevented from sliding down.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a tool used in example 1 of the present invention.

FIG. 2 is a schematic view of a tool used in example 2 of the present invention.

FIG. 3 is a schematic view of a tool used in example 3 of the present invention.

Reference numbers and corresponding part names in the drawings:

1-handle, 11-antiskid sleeve, 2-pull rod, 21-first rod piece, 211-lifting rod, 212-fixed rod, 22-second rod piece, 23-clamping piece, 24-fixing device, 25-screw, 26-threaded hole, 3-opening piece and 4-ditch cover plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the utility model. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 1, the lifting tool special for a cable trench cover provided by the embodiment of the utility model comprises a handle 1, a pull rod 2 and an opening member 3; one axial end of the pull rod 2 is connected with the opening piece 3, and the axial line of the pull rod 2 is vertical to the axial line of the opening piece 3; the other axial end of the pull rod 2 is provided with a T-shaped handle 1, and the axial length of the opening piece 3 is larger than the minimum aperture of the trench cover plate 4.

One end of the pull rod 2 is welded to the middle position of the outer wall of the handle 1; the other end of pull rod 2 welds open the middle part position of 3 outer walls of piece, and the connected mode between pull rod 2 and the handle 1 contains multiple mode, if welding, threaded connection, trip connection etc. this scheme then adopts the welded mode, will respectively pull rod 2 with open 3 and pull rod 2 is connected with handle 1 to improve between pull rod 2 and the piece of opening 3, the joint strength between pull rod 2 and the handle 1, simple structure is but joint strength is high, and is not fragile.

Handle 1, pull rod 2 and opening 3 can be cylindrical, just the material that pull rod 2, opening 3 and/or handle 1 adopted, including the steel of different yield values, for example, pull rod 2 and opening 3 adopt Q275 steel, handle 1 adopts Q235 steel, because the steel intensity of adoption improves, and tensile strength is good, can guarantee that the instrument is not fragile and the cost is lower, and the while is light and easy to take, can effectively support and take off trench cover 4. The length of the pull rod 2 can be set to be 1100mm-1300 mm; the length of the handle 1 can be set to be 110mm-130mm, the opening piece 3 can adopt a linear structure, and the linear structure is simple and can easily extend into the small hole of the trench cover plate 4, so that the effect of convenient operation is achieved.

In one embodiment, as shown in fig. 3, anti-slip sleeves 11 are disposed at two ends of the handle 1, and protrusions are disposed on outer walls of the anti-slip sleeves 11 to increase friction force, so as to effectively prevent a user from slipping when holding the handle 1.

The using process of the embodiment 1 is as follows:

will open 3 and stretch into 4 downtheholes and after rotating 90 degrees left or right of cover plate, open 3 and can block cover plate 4, meanwhile, hand handle 1 upwards can mention cover plate 4 hard, later will open 3 reverse rotation 90 degrees and just can easily will open 3 and cover plate 4 separation. Under the action of force, the upward pulling force of the hand-held handle 1 is greater than the gravity of the trench cover plate 4, so that the trench cover plate 4 can be uncovered, the operation is easy, simple and efficient, the trench cover plate 4 is easily and effectively uncovered, and meanwhile, the trench cover plate 4 is not easy to slip.

Example 2

As shown in fig. 2, on the basis of embodiment 1, in the lifting tool special for the cable trench cover 4 of embodiment 2, the pull rod 2 includes a first rod 21, a second rod 22 and a clamping member 23; one end and the opening 3 of first member 21 are connected, and the other end is connected with handle 1, the external diameter of first member 21 is less than the internal diameter of second member 22, joint 23 and the one end integrated into one piece of second member 22 to the axial line of the axis perpendicular to second member 22 of joint 23, the axial length of joint 23 is greater than the minimum aperture of cover plate 4, joint 23 and second member 22 cover are located outside first member 21, and second member 22 and first member 21 swing joint, second member 22 is equipped with the fixing device 24 who is used for fixed first member 21 and second member 22 outward, set up second member 22 and joint 23.

When in use, the second rod piece 22 is rotated to lead the clamping piece 23 and the opening piece 3 to be on the same line, then the clamping piece 23 and the opening piece 3 are put into the small hole of the trench cover plate 4, the handle 1 is rotated to lead the opening piece 3 to be clamped in the trench cover plate 4, then the second rod piece 22 is rotated to drive the clamping piece 23 to rotate to be crossed and vertical with the opening piece 3, the clamping piece 23 and the second rod piece 22 are fixed at the clamped position by adjusting the fixing device 24, the fixing device 24 can be clamped, pin-jointed or buckled, the first rod piece 21 and the second rod piece 22 can be rotatably connected through screw threads, thereby driving the clamping piece 23 to rotate, because the clamping piece 23 and the opening piece 3 are in a crossed and fixed structure, the opening piece 3 can be better fixed in the trench cover plate 4, even if the opening piece 3 slides to the small hole carelessly when the trench cover plate 4 is lifted upwards, also can be through the fine fixing in the ditch apron 4 of intersection construction, avoid 4 landing of ditch apron to injure the people, after uncovering 4 ditch laps, can rotate second member 22 for joint 23 and the axis of opening 3 are on same line, then take out specialized tool in the aperture of follow ditch apron 4.

Example 3

As shown in fig. 3, based on embodiment 2, in the special lifting tool for a cable trench cover 4 of this embodiment 3, the first rod 21 includes a lifting rod 211 and a fixing rod 212, an outer diameter of the lifting rod 211 is smaller than an inner diameter of the fixing rod 212, and the lifting rod 211 is provided with a plurality of threaded holes 26; a screw 25 is arranged on the fixing rod 212; wherein, screw 25 and screw hole 26 are mutually supported, are fixed lifter 211 and dead lever 212, and height-adjusting can be gone up and down to first member 21, can effectual people to different heights use this instrument.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A special lifting tool for a cable trench cover is characterized by comprising a handle (1), a pull rod (2) and an opening piece (3); one axial end of the pull rod (2) is connected with the opening piece (3), and the axial line of the pull rod (2) is vertical to the axial line of the opening piece (3); the other axial end of the pull rod (2) is provided with a T-shaped handle (1), and the axial length of the opening piece (3) is larger than the minimum aperture of the trench cover plate (4).

2. The special lifting tool for the cable trench cover according to claim 1, wherein the pull rod (2) comprises a first rod member (21), a second rod member (22) and a clamping member (23); one end and the opening member (3) of first member (21) are connected, and the other end is connected with handle (1), the external diameter of first member (21) is less than the internal diameter of second member (22), the one end integrated into one piece of joint spare (23) and second member (22) to the axial line of axis perpendicular to second member (22) of joint spare (23), the axial length of joint spare (23) is greater than the minimum aperture of trench cover board (4), joint spare (23) and second member (22) cover are located outside first member (21), and second member (22) and first member (21) swing joint, second member (22) are equipped with fixing device (24) that are used for fixed first member (21) and second member (22) outward.

3. The special lifting tool for the cable trench cover according to claim 2, wherein the first rod (21) comprises a lifting rod (211) and a fixing rod (212), the outer diameter of the lifting rod (211) is smaller than the inner diameter of the fixing rod (212), and a plurality of threaded holes (26) are formed in the lifting rod (211); a screw (25) is arranged on the fixing rod (212); the lifting rod (211) and the fixing rod (212) are fixed by mutually matching a screw (25) and a threaded hole (26).

4. The special lifting tool for the cable trench cover according to claim 1, wherein anti-slip sleeves (11) are arranged at two ends of the handle (1).

5. The special lifting tool for the cable trench cover according to claim 4, wherein the outer wall of the anti-slip sleeve (11) is provided with a convex point.

6. The special lifting tool for the cable trench cover according to claim 1, wherein one end of the pull rod (2) is welded to the middle position of the outer wall of the handle (1); the other end of the pull rod (2) is welded to the middle position of the outer wall of the opening piece (3).

7. The special lifting tool for the cable trench cover according to claim 1, wherein the handle (1), the pull rod (2) and the opening member (3) are all cylindrical, and the material adopted by the pull rod (2), the opening member (3) and/or the handle (1) comprises steel materials with different yield values.

8. The special lifting tool for cable trench covers according to claim 1, characterized in that the length of the pull rod (2) is 1100mm-1300 mm; the length of the handle (1) is 110mm-130 mm.