CN110562894A - Cable trench inspection method - Google Patents
Cable trench inspection method Download PDFInfo
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- CN110562894A CN110562894A CN201910822747.8A CN201910822747A CN110562894A CN 110562894 A CN110562894 A CN 110562894A CN 201910822747 A CN201910822747 A CN 201910822747A CN 110562894 A CN110562894 A CN 110562894A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
- B66F19/005—Lifting devices for manhole covers
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Abstract
The invention relates to the field of power pipeline inspection, and adopts the following scheme: a cable trench inspection method comprises the following steps that 1, a cable well cover opening device is used for opening a well cover; step 2, mounting one end of an omnibearing safety belt on the cable well cover opening device, and binding the other end of the omnibearing safety belt on the body of an operator; step 3, an operator wears the positive pressure type respirator, and a breathing pipe of the positive pressure type respirator is wound and installed on the cable well cover opening device; step 4, an operator wears a safety helmet with an illuminating lamp and turns on the illuminating lamp; step 5, carrying the screen viewing device by an operator to go into the well for inspection; and 6, finishing the inspection. By adopting the cable duct inspection method, the labor intensity can be reduced, and the inspection efficiency can be improved.
Description
Technical Field
the invention relates to the field of power pipelines, in particular to a cable duct inspection method.
Background
with the continuous acceleration of the economic and urbanization process of China, the tension of power transmission corridors leads the application of underground cables in urban power systems to be more and more extensive, and the underground cables have become a trend to replace power transmission lines. Regular patrol period of power cable and passage operation and maintenance regulation 7.2.2: b) the outside and outdoor terminal of 35kV and following cable channel tours: patrolling every 1 month; d) internal inspection of a cable channel: patrolling every three months; e) cable patrol: the tour is once every three months. Therefore, cable routing inspection is an important operation and maintenance task.
present cable trench operation mode is patrolled with the manual work and is looked after as the owner, and the operation personnel open the well lid and get into the cable trench and patrol the operation, because the well lid is opened the difficulty, needs many people to cooperate the completion jointly, leads to cable run to patrol efficiency lower, and it is longer to patrol the required time of a circuit.
Therefore, aiming at the current situation that the conventional cable duct patrol efficiency is low, the problem to be solved is to provide a cable duct patrol method.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a cable duct patrol method, which aims to solve the problem of low efficiency in cable duct patrol at present.
the technical scheme adopted by the invention for solving the technical problems is as follows: a cable duct inspection method mainly comprises the following steps:
Step 1, opening a well lid by using a cable well lid opening device; the cable well lid opening device comprises a lifting base frame, a supporting device and a well lid lifting device, wherein the supporting device can slide along the lifting base frame, the well lid lifting device is arranged on the supporting device, the lifting base frame comprises two lifting longitudinal beams, a telescopic connecting mechanism is arranged between the lifting longitudinal beams, and a height adjusting mechanism is arranged on the supporting device; firstly, adjusting the distance between two hoisting longitudinal beams to adapt to the diameter size of the well lid by adjusting a telescopic connecting mechanism, enabling a well lid hoisting device to adapt to the hoisting height by adjusting a height adjusting mechanism, hoisting the well lid by the well lid hoisting device, and finally enabling the well lid to move by a sliding support device;
Step 2, mounting one end of an omnibearing safety belt on the cable well cover opening device, and binding the other end of the omnibearing safety belt on the body of an operator;
Step 3, an operator wears the positive pressure type respirator, and a breathing pipe of the positive pressure type respirator is wound and installed on the cable well cover opening device;
Step 4, an operator wears a safety helmet with an illuminating lamp and turns on the illuminating lamp;
Step 5, carrying the screen viewing device by an operator to go into the well for inspection;
And 6, finishing inspection, namely covering the well cover by using a cable well cover opening device.
further, the hoisting base frame comprises hoisting longitudinal beams provided with slide rails, the hoisting longitudinal beams are connected through a telescopic connection mechanism, the supporting device comprises a hoisting slide seat arranged on the slide rails and a hoisting vertical arm arranged on the hoisting slide seat, the well lid hoisting device comprises a hoisting cross beam, an upper connecting rod, a lower connecting rod and a hoisting screw rod, the hoisting cross beam is arranged on the hoisting vertical arm, the connecting rod slide seat and a screw rod avoiding part are arranged on the hoisting cross beam, the hoisting screw rod penetrates through the screw rod avoiding part, an upper force application seat and a lower force application seat are arranged on the hoisting screw rod, two ends of the upper connecting rod are respectively hinged with the upper force application seat and the connecting rod slide seat, two ends of the lower connecting rod are respectively hinged with the lower force application seat and the connecting rod slide seat, the upper connecting rod and the lower connecting rod are mutually connected to form a rhombic rod group, and the formed rhombic rod group can realize telescopic deformation through, the upper force application seat is provided with a hoisting speed changer for controlling the hoisting screw to rotate, the lower force application seat is provided with a hanging ring, and the hanging ring can be connected with the well cover through a hanging chain. Move to around the cable well lid through lifting by crane the bed frame, adjust flexible coupling mechanism and make two distances of lifting by crane between the longeron be suitable for the diameter size of well lid, lift by crane the slide through the slip and make well lid hoisting accessory remove the well lid top, through articulating chain and well lid hookup tight connection on the link, it rotates to lift by crane the screw rod to drive through using electric drill on last application of force seat, and then realize the flexible deformation of rhombus pole group, drive reciprocating of well lid, the removal through lifting by crane the slide drives the well lid and moves to one side of cable well, the manual work gets into in the well and patrols and examines, closely cooperate between each mechanism, the coordination of each other, time saving and labor saving, the efficiency.
furthermore, the height adjusting mechanism comprises a continuous connecting pipe which is rotatably installed in the lifting vertical arm and a hand screwing joint which is fixed on the continuous connecting pipe, the bottom of the continuous connecting pipe is limited in the radial direction through a retaining ring which is preset in the lower part of the lifting vertical arm, the upper part of the continuous connecting pipe is in threaded connection with the upper part of the lifting vertical arm, and the vertical movement of the upper part of the lifting vertical arm is realized through rotating the hand screwing joint.
Further, the upper portion of going up the application of force seat is provided with the manipulation connector, be provided with electronic connecting portion and the radial mounting hole of bull stick on the manipulation connector, lift by crane the derailleur and include the casing and set up the gear train in the casing, the manipulation connector passes through the gear train and lifts by crane the screw rod and be connected. Can realize using tools such as electric drill to drive the gear train through the manual work and rotate, and then drive and lift by crane the screw rod and rotate with moderate speed to according to the high timely control switch that promotes the well lid, the application scope is wide, and is light laborsaving.
Further, the upper force application seat is positioned above the screw avoiding part, the lower part of the upper force application seat is provided with a connecting rod installation seat, the connecting rod installation seat is provided with an upper guide shaft, and the upper guide shaft is provided with an upper screw guide hole; the lower force application seat is located below the screw avoiding portion, two ends of the lower force application seat are hinged to the lower connecting rod, a lower guide shaft is arranged on the lower force application seat, a lower screw guide hole is formed in the lower guide shaft, the lifting screw is rotatably mounted on the upper force application seat, and the lifting screw sequentially penetrates through the upper screw guide hole, the screw avoiding portion and the lower screw guide hole from top to bottom. The effect that the bearing capacity is strong is reached, and the stability of structure is guaranteed.
Furthermore, a cross beam installation position is arranged on the lifting vertical arm and comprises a cross beam installation cylinder for enabling the lifting cross beam to penetrate through, and a jacking bolt for fixing the lifting cross beam is arranged on the cross beam installation cylinder. The lifting vertical arm can move along the longitudinal direction of the lifting cross beam and does not separate from the lifting cross beam, and therefore the adjustment of the distance between the lifting longitudinal beams in the matched lifting base frame can be realized.
furthermore, the lifting slide seat comprises a slide block and a vertical arm connecting frame fixedly connected with the slide block, the vertical arm connecting frame is hinged with the lifting vertical arm through a folding hinge pin, positioning holes are formed in the vertical arm connecting frame and the lifting vertical arm, and the lifting vertical arm can be fixed when the lifting vertical arm is erected by inserting the same erection positioning pin into the positioning holes. The lifting vertical arm is turned over through hinging, can be folded, and is convenient to move and place when not in use; when the lifting vertical arm is erected, the positioning pin is inserted to clamp the lifting vertical arm and the vertical arm connecting frame, and the fixed lifting vertical arm cannot rotate and can keep the erected state even if being stressed.
Furthermore, flexible coupling mechanism is including the connection crossbeam and the flexible tie-beam that all set up flexible regulation hole, it is split type structure to connect the crossbeam, it includes first crossbeam and second crossbeam to connect the crossbeam, splice flexible tie-beam between first crossbeam and the second crossbeam to it is fixed through adjusting bolt. The connection between the two hoisting longitudinal beams is realized, and the stability of the hoisting base frame is ensured; the adjustment of the distance between the two hoisting longitudinal beams can be realized to adapt to the size of the well cover.
Furthermore, a base frame leveling mechanism is arranged on the hoisting base frame. The leveling mechanism is used for realizing the parallel and level of the bottom of the hoisting base frame and the height of the well lid with the well lid, and the leveling mechanism plays a supporting role.
Furthermore, one end of the hoisting base frame is provided with a dragging roller, and the other end of the hoisting base frame is provided with a dragging handle. The movement of the whole device is facilitated.
Furthermore, a transposition pull rope is arranged on the hoisting sliding seat. The hoisting slide seat slides along the slide rail by pulling the transposition pull rope, so that the problem that the hoisting vertical arm is difficult to operate and force to slide due to the wide width between the hoisting vertical arms is avoided.
Furthermore, the base frame leveling mechanism comprises a leveling swing rod and telescopic support legs arranged on the leveling swing rod. The height adjustment is realized.
According to the technical scheme, the invention has the following advantages:
1. The cable well lid opening device is used for opening the well lid, so that time and labor are saved, the number of hands is reduced, and the inspection efficiency is improved; the method comprises the following steps that a person wears an omnibearing safety belt, an omnibearing safety belt anti-falling device is tied to the upper part of a cable pipe trench operation inspection platform well, the other end of the omnibearing safety belt anti-falling device is tied to an operator, and the person on the well is helped to break away from danger through the safety belt in case of an accident; the wearing of the positive pressure respirator is a free open type air respirator, which can prevent the human body from inhaling poisonous gas, dislike and suspending harmful pollutants in the air; the omnibearing safety belt and the open type air respirator are installed on the cable well cover opening device to facilitate operation.
2. Move to around the cable well lid through lifting by crane the bed frame, adjust flexible coupling mechanism and make two distances of lifting by crane between the longeron be suitable for the diameter size of well lid, lift by crane the slide through the slip and make well lid hoisting accessory remove the well lid top, through articulating chain and well lid hookup tight connection on the link, it rotates to lift by crane the screw rod to drive through using electric drill on last application of force seat, and then realize the flexible deformation of rhombus pole group, drive reciprocating of well lid, the removal through lifting by crane the slide drives the well lid and moves to one side of cable well, the manual work gets into in the well and patrols and examines, closely cooperate between each mechanism, the coordination of each other, time saving and labor saving, the efficiency.
3. Through setting up the manipulation connector and lifting by crane the derailleur and can realize using instruments such as electric drill to drive the gear train through the manual work and rotate, and then drive and lift by crane the screw rod and rotate with moderate speed to according to the high timely control switch that promotes the well lid, the application scope is wide, and is light laborsaving.
4. The leveling mechanism of the base frame realizes the leveling with the height of the bottom of the lifting base frame of the well lid and the well lid, and plays a role in supporting; the dragging roller is arranged at one end of the lifting base frame, and the dragging handle is arranged at the other end of the lifting base frame, so that the whole device can be conveniently moved; the hoisting slide seat slides along the slide rail by pulling the transposition pull rope, so that the problem that the hoisting vertical arm is difficult to operate and force to slide due to the wide width between the hoisting vertical arms is avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of the well cover hoisting device in fig. 1.
Fig. 3 is a schematic structural view of the upper force application base in fig. 1.
Fig. 4 is a schematic structural view of the lower force application base in fig. 1.
Fig. 5 is a schematic structural view of the hoisting slide carriage in fig. 1.
fig. 6 is a schematic structural view of the telescopic connection mechanism in fig. 1.
Fig. 7 is a schematic structural view of the base frame leveling mechanism in fig. 1.
Fig. 8 is a schematic view showing the structure of the rotating part of fig. 7.
fig. 9 is a state diagram of fig. 1 in operation.
in the figure, 1, a kiln well, 11, a well cover, 2, a lifting base frame, 21, a lifting longitudinal beam, 22, a dragging roller, 23, a telescopic connecting mechanism, 231, a connecting cross beam, 232, a telescopic connecting beam, 233, an adjusting bolt, 234, a telescopic adjusting hole, 24, a base frame leveling mechanism, 241, a leveling fixing seat, 242, a leveling swing rod, 243, a swing positioning stop block, 244, a swing positioning clamping groove, 245, an unfreezing pressing plate, 246, a return force application spring, 247, a return limiting bulge, 248, a telescopic supporting leg, 249, a supporting pier, 25, a dragging handle, 26, a sliding rail, 3, a lifting sliding seat, 31, a sliding block, 32, a vertical arm connecting frame, 33, a folding hinge pin, 34, a transposition pull rope, 35, a vertical positioning pin, 4, a lifting vertical arm, 41, an auxiliary tool, 5, a cross beam mounting seat, 51, a cross beam mounting cylinder, 52, a jacking bolt, 6, a lifting cross beam, 61 and a screw avoiding part, 62. the telescopic lengthening section comprises a telescopic lengthening section 63, a connecting rod sliding seat, 64, an upper connecting rod, 65, a lower connecting rod, 7, an upper force application seat, 71, an upper guide shaft, 711, an upper screw rod guide hole, 72, a connecting rod installation seat, 73, a hoisting transmission, 74, a hoisting screw rod, 75, an operation connector, 752, a rotating rod radial installation hole, 8, a lower force application seat, 81, a lower guide shaft, 811, a lower screw rod guide hole, 9, a well lid hanging device, 91, a hanging ring, 92 and a hanging rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed Description
in order to solve the problem of low cable duct inspection efficiency, the invention provides a cable duct inspection method which mainly comprises the following steps:
Step 1, opening a well lid by using a cable well lid opening device; the cable well lid opening device comprises a lifting base frame 2, a supporting device capable of sliding along the lifting base frame 2 and a well lid lifting device arranged on the supporting device, wherein the lifting base frame comprises two lifting longitudinal beams 21, a telescopic connecting mechanism 23 is arranged between the lifting longitudinal beams 21, and a height adjusting mechanism is arranged on the supporting device; firstly, adjusting the distance between two hoisting longitudinal beams 21 to adapt to the diameter size of the well lid through an adjusting telescopic connecting mechanism 23, enabling a well lid hoisting device to adapt to the hoisting height through an adjusting height adjusting mechanism, hoisting the well lid through the well lid hoisting device, and finally enabling the well lid to move through a sliding support device;
Step 2, mounting one end of an omnibearing safety belt on the cable well cover opening device, and binding the other end of the omnibearing safety belt on the body of an operator;
Step 3, an operator wears the positive pressure type respirator, and a breathing pipe of the positive pressure type respirator is wound and installed on the cable well cover opening device;
Step 4, an operator wears a safety helmet with an illuminating lamp and turns on the illuminating lamp;
Step 5, carrying the screen viewing device by an operator to go into the well for inspection;
And 6, finishing inspection, namely covering the well cover by using a cable well cover opening device.
As shown in fig. 1-9, the cable manhole cover opening device comprises a lifting base frame 2, a supporting device capable of sliding along the lifting base frame 2, a manhole cover lifting device arranged on the supporting device, wherein, the lifting support comprises two lifting longitudinal beams 21, the lifting longitudinal beams 21 are connected together through a telescopic connecting mechanism 23, the telescopic connecting mechanism 23 comprises a connecting cross beam 231 and a telescopic connecting beam 232 which are both provided with telescopic adjusting holes 234, the connecting cross beam 231 is of a split structure and is divided into a first cross beam and a second cross beam, the first cross beam is connected with one lifting longitudinal beam 21, the second cross beam is connected with the other lifting longitudinal beam 21, the first cross beam and the second cross beam are connected together through the telescopic connecting beam 232 and are fixed through an adjusting bolt 233, the connection between two hoisting longitudinal beams 21 is realized, the stability of the hoisting base frame 2 is guaranteed, and meanwhile, the adjustment of the distance between the two hoisting longitudinal beams 21 can be realized to adapt to the size of the well cover 11. The two telescopic connection mechanisms 23 are arranged, one is positioned in the middle of the lifting longitudinal beam 21, the other is positioned at the end part of the lifting longitudinal beam 21, a base frame leveling mechanism 24 and a dragging handle 25 are arranged on the telescopic connection mechanism 23 positioned at the end part, a dragging roller 22 is arranged at the other end of the lifting longitudinal beam 21, when the well lid 11 is opened, one is the well lid 11 which is parallel and level to the road surface, the base frame leveling mechanism 24 is not used and is in a folded state, the other is the kiln 1 which is higher than the road surface and is provided with a boss, when the condition is met, one end of the lifting longitudinal beam 21 can be lapped at an idle position on the boss edge, and the other end of the lifting longitudinal beam 21 can be leveled to.
the height adjusting mechanism comprises a continuous connecting pipe which is rotatably mounted in the lifting vertical arm and a hand screwed joint which is fixed on the continuous connecting pipe, the bottom of the continuous connecting pipe is limited in the radial direction through a retaining ring which is preset in the lower part of the lifting vertical arm, the upper part of the continuous connecting pipe is in threaded connection with the upper part of the lifting vertical arm, and the vertical movement of the upper part of the lifting vertical arm is realized through rotating the hand screwed joint.
the lifting longitudinal beam 21 is provided with a slide rail 26, the slide rail 26 is provided with a supporting device, the supporting device comprises a lifting slide seat 3 arranged on the slide rail 26 and a lifting vertical arm 4 arranged on the lifting slide seat 3, the lifting slide seat 3 comprises a slide block 31 and a vertical arm connecting frame 32 fixedly connected with the slide block 31, the vertical arm connecting frame 32 is hinged with the lifting vertical arm 4 through a folding hinge pin 33, the vertical arm connecting frame 32 and the lifting vertical arm 4 are provided with positioning holes, and the lifting vertical arm 4 can be fixed when being erected by inserting the same erection positioning pin 35 into the positioning holes. The lifting vertical arm 4 is turned over through hinging, can be folded and is convenient to move and place when not in use; when the lifting arm 4 is raised, the lifting arm 4 and the arm link 32 are locked by inserting the raising positioning pin 35, and the fixed lifting arm 4 cannot be rotated and can be maintained in the raised state even if a force is applied. The manhole cover hoisting device is arranged on the upper portion of the hoisting vertical arm 4 and comprises a hoisting cross beam 6, an upper connecting rod 64, a lower connecting rod 65 and a hoisting screw 74, the hoisting cross beam 6 is provided with a connecting rod slide carriage 63 and a screw avoiding portion 61, the hoisting screw 74 penetrates through the screw avoiding portion 61, the hoisting screw 74 is provided with an upper force application seat 8 and a lower force application seat 8, two ends of the upper connecting rod 64 are respectively hinged with the upper force application seat 8 and the connecting rod slide carriage 63, two ends of the lower connecting rod 65 are respectively hinged with the lower force application seat 8 and the connecting rod slide carriage 63, the upper connecting rod 64 and the lower connecting rod 65 are connected with each other to form a rhombic rod group, the formed rhombic rod group can realize telescopic deformation through the hoisting screw 74, the upper force application seat 8 is provided with a hoisting speed changer 73 for controlling the rotation of the hoisting screw 74, and the lower force application seat 8 is provided with a hanging ring 91, hang and connect ring 91 accessible and articulate the chain and be connected with well lid 11, the upper portion of going up application of force seat 8 is provided with the manipulation connector 75, be provided with electronic connecting portion and the radial mounting hole 752 of bull stick on the manipulation connector 75, it includes the casing and sets up the gear train in the casing to lift by crane derailleur 73, it is connected with lifting by crane screw rod 74 through the gear train to manipulate connector 75, can realize using instruments such as electric drill to drive the gear train through the manual work and rotate, and then drives and lift by crane screw rod 74 and rotate with moderate speed to according to the high timely control switch who promotes well lid 11, application scenario is wide, and is light laborsaving. The upper force application seat 8 is positioned above the screw avoiding part 61, the lower part of the upper force application seat 8 is provided with a connecting rod installation seat 72, the connecting rod installation seat 72 is provided with an upper guide shaft 71, and the upper guide shaft 71 is provided with an upper screw guide hole 711; the lower force application seat 8 is located below the screw avoiding portion 61, two ends of the lower force application seat 8 are hinged to the lower connecting rod 65, a lower guide shaft 81 is arranged on the lower force application seat 8, a lower screw guide hole 811 is formed in the lower guide shaft 81, the lifting screw 74 can be rotatably mounted on the upper force application seat 8, and the lifting screw 74 sequentially penetrates through the upper screw guide hole 711, the screw avoiding portion 61 and the lower screw guide hole 811 from top to bottom, so that the lifting support device is high in bearing capacity and stable in structure. In addition, the lifting vertical arm 4 is provided with a cross beam mounting position 5, the cross beam mounting position 5 comprises a cross beam mounting cylinder 51 for enabling the lifting cross beam 6 to pass through, and the cross beam mounting cylinder 51 is provided with a puller bolt 52 for fixing the lifting cross beam 6, so that the lifting vertical arm 4 can move along the longitudinal direction of the lifting cross beam 6 and can not be separated from the lifting cross beam 6, and the adjustment of the distance between the lifting longitudinal beams 21 in the matched lifting pedestal 2 can be realized.
In addition, the base frame leveling mechanism 24 includes a telescopic leg 248 with a leveling swing rod 242 mounted on the leveling swing rod 242, the leveling swing rod 242 is mounted on a connecting beam 231 at the end of the base frame through a leveling fixing seat 241, the top of the leveling swing rod 242 is a semicircular structure provided with a swing positioning slot 244, a releasing pressing plate 245, a return force application spring 246, a swing positioning stop 243 and a return limit protrusion 247 are mounted on the leveling fixing seat 241 in a matching manner with the swing positioning slot 244, the angle adjustment of the leveling swing rod 242 is realized through the matching effect of the components, the height adjustment is realized between the leveling swing rod 242 and the telescopic leg 248 through a positioning hole and a bolt, and a buttress 249 is arranged at the bottom of the telescopic leg 248.
When the cable well lid opening device works, the handle 25 is pulled by hand, the whole device is easily moved to the kiln well 1 by using the dragging roller 22, the distance between the hoisting longitudinal beams 21 is adjusted by adjusting the position relation between the telescopic connecting beam 232 and the connecting cross beam 231 so as to adapt to the diameter size of the well lid 11, the up-and-down movement of the upper part of the hoisting vertical arm is realized by rotating the hand screwed joint so as to adapt to the requirement of hoisting height, and then the base frame leveling mechanism 24 is adjusted according to the height of the well lid 11 so that the base frame is moderate in height and has enough support; at the moment, the lifting vertical arm 4 is turned over and erected, the lifting vertical arm 4 is fixedly connected with the vertical arm connecting frame 32 by inserting the erecting positioning pin 35, the erecting state is kept, the lifting vertical arm 4 is pushed, the well lid lifting mechanism on the lifting vertical arm 4 is positioned right above the well lid 11, the chain is hung on the lower force application seat 8, the hook installed at the other end of the chain is hooked on the eyelet on the well lid 11, then an electric drill tool is used for connecting the operating connector 75 of the upper force application seat 8, the gear set is driven to rotate, the lifting screw 74 is driven to rotate, the rhombic rod set is deformed in a telescopic way, the lifting screw 74 in the vertical direction moves upwards, the whole body is driven to move upwards, the well lid 11 is lifted, then the lifting vertical arm 4 drives the well lid lifting device to move along the slide rail 26 by pulling the position changing pull rope, the well lid 11 is moved to one side, and the well lid 11, make things convenient for operating personnel to go into the well and patrol, in a similar way, when the well lid is closed according to opposite operation return can. Through the coordination and cooperation among all mechanisms and components of the device, the device becomes an integral device capable of opening the well lid, and particularly through site tests, the position relation among all the components is set, so that the whole device can smoothly complete the well lid opening work.
The specific structure of the lock body is not described in the scheme because the lock body is the prior art, and the invention is not the point of the invention and is not a necessary technical means for solving the problems in the background art.
the terms "upper", "lower", "outside", "inside" and the like in the description and claims of the present invention and the above drawings, if any, are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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 (10)
1. A cable duct inspection method is characterized by mainly comprising the following steps:
Step 1, opening a well lid by using a cable well lid opening device; the cable well lid opening device comprises a lifting base frame (2), a supporting device capable of sliding along the lifting base frame (2), and a well lid lifting device arranged on the supporting device, wherein the lifting base frame comprises two lifting longitudinal beams (21), a telescopic connecting mechanism (23) is arranged between the lifting longitudinal beams (21), and a height adjusting mechanism is arranged on the supporting device; firstly, adjusting the distance between two hoisting longitudinal beams (21) to adapt to the diameter size of the well lid by adjusting a telescopic connecting mechanism (23), enabling a well lid hoisting device to adapt to the hoisting height by adjusting a height adjusting mechanism, hoisting the well lid by the well lid hoisting device, and finally enabling the well lid to move by a sliding support device;
Step 2, mounting one end of an omnibearing safety belt on the cable well cover opening device, and binding the other end of the omnibearing safety belt on the body of an operator;
Step 3, an operator wears the positive pressure type respirator, and a breathing pipe of the positive pressure type respirator is wound and installed on the cable well cover opening device;
Step 4, an operator wears a safety helmet with an illuminating lamp and turns on the illuminating lamp;
Step 5, carrying the screen viewing device by an operator to go into the well for inspection;
And 6, finishing inspection, namely covering the well cover by using a cable well cover opening device.
2. The cable trench inspection method according to claim 1, wherein the hoisting base frame (2) comprises hoisting longitudinal beams (21) provided with slide rails (26), the hoisting longitudinal beams (21) are connected through a telescopic connection mechanism (23), the supporting device comprises a hoisting slide seat (3) arranged on the slide rails (26) and a hoisting vertical arm (4) arranged on the hoisting slide seat (3), the hoisting vertical arm is provided with the height adjusting mechanism, the manhole cover hoisting device comprises a hoisting cross beam (6) arranged on the hoisting vertical arm (4), an upper connecting rod (64), a lower connecting rod (65) and a hoisting screw (74), the hoisting cross beam (6) is provided with a connecting rod slide seat (63) and a screw avoiding portion (61), the hoisting screw (74) passes through the screw avoiding portion (61), and the hoisting screw (74) is provided with an upper force application seat (7) and a lower force application seat (8), the utility model discloses a well lid lifting device, including last connecting rod (64), last connecting rod (65), connecting rod slide (63), upper connecting rod (64) and lower connecting rod (65), the both ends of going up connecting rod (64) are articulated with last application of force seat (7) and connecting rod slide (63) respectively, the both ends of lower connecting rod (65) are articulated with lower application of force seat (8) and connecting rod slide (63) respectively, go up connecting rod (64), lower connecting rod (65) interconnect constitution shape is rhombus's pole group, and the rhombus pole group accessible that constitutes lifts by crane screw rod (74) and realize flexible deformation, be provided with on last application of force seat (7) and be used for controlling and lift by crane screw rod (74) pivoted and lift by crane derailleur (73), be provided with on.
3. The cable trench patrol method according to claim 2, wherein the height adjustment mechanism comprises a splicing pipe rotatably mounted in the lifting arm and a hand-screwed joint fixed to the splicing pipe, a bottom of the splicing pipe is radially limited by a retaining ring preset in a lower portion of the lifting arm, an upper portion of the splicing pipe is in threaded connection with an upper portion of the lifting arm, and the up-and-down movement of the upper portion of the lifting arm is achieved by rotating the hand-screwed joint.
4. The cable duct patrol method according to claim 2, wherein an operating connector (75) is arranged at the upper part of the upper force application seat (7), an electric connecting part and a rotating rod radial mounting hole (752) are arranged on the operating connector (75), the hoisting transmission (73) comprises a housing and a gear set arranged in the housing, and the operating connector (75) is connected with the hoisting screw (74) through the gear set.
5. The cable duct patrol method according to claim 2, wherein the upper force application seat (7) is located above the screw relief portion (61), a connecting rod installation seat (72) is arranged at the lower portion of the upper force application seat (7), an upper guide shaft (71) is arranged on the connecting rod installation seat (72), and an upper screw guide hole (711) is formed in the upper guide shaft (71); lower application of force seat (8) are located the below that the screw dodged portion (61), the both ends of lower application of force seat (8) are articulated with lower connecting rod (65), be provided with down guiding axle (81) on lower application of force seat (8), screw rod guiding hole (811) have been seted up down on guiding axle (81) down, it is rotatable to install on last application of force seat (7) to lift by crane screw rod (74), lift by crane screw rod (74) from last down and pass in order upper screw rod guiding hole (711), screw rod dodge portion (61), screw rod guiding hole (811) down.
6. The cable trench patrol method according to claim 2, wherein the lifting vertical arm (4) is provided with a beam mounting position (5), the beam mounting position (5) comprises a beam mounting cylinder (51) for enabling the lifting beam to pass through the mounting, and the beam mounting cylinder (51) is provided with a puller bolt (52) for fixing the lifting beam.
7. the cable duct patrol method according to claim 2, wherein the lifting slide (3) comprises a slide block (31) and a vertical arm connecting frame (32) fixedly connected with the slide block (31), the vertical arm connecting frame (32) is hinged with the lifting vertical arm (4) through a folding hinge pin (33), the vertical arm connecting frame (32) and the lifting vertical arm (4) are provided with positioning holes, and the same positioning pin (35) can be inserted into the positioning holes to fix the lifting vertical arm (4) when the lifting vertical arm (4) is erected.
8. The cable trench patrol method according to claim 2, wherein the telescopic connection mechanism (23) comprises a connection beam (231) and a telescopic connection beam (232) both provided with a telescopic adjustment hole (234), the connection beam (231) is a split structure, the connection beam (231) comprises a first beam and a second beam, and the telescopic connection beam (232) is spliced between the first beam and the second beam and fixed through an adjustment bolt (233).
9. a cable trench patrol method as claimed in claim 1, wherein a base frame levelling mechanism (24) is provided on the hoisting base frame (2).
10. The cable trench patrol method according to claim 1, wherein the hoisting base frame (2) is provided with a dragging roller (22) at one end and a dragging handle (25) at the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822747.8A CN110562894A (en) | 2019-09-02 | 2019-09-02 | Cable trench inspection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822747.8A CN110562894A (en) | 2019-09-02 | 2019-09-02 | Cable trench inspection method |
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| Publication Number | Publication Date |
|---|---|
| CN110562894A true CN110562894A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910822747.8A Pending CN110562894A (en) | 2019-09-02 | 2019-09-02 | Cable trench inspection method |
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| CN (1) | CN110562894A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976488A (en) * | 2010-11-03 | 2011-02-16 | 上海优培智能科技有限公司 | Wellhole and wellshutter security alarming system for power telecom engineering |
| CN103613032A (en) * | 2013-11-29 | 2014-03-05 | 国家电网公司 | Movable cable cover plate crane carriage of transformer substation |
| CN107888600A (en) * | 2017-11-21 | 2018-04-06 | 北京恒华伟业科技股份有限公司 | A kind of localization method |
| CN208136967U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | Cable work well cover plate moving device |
| CN208265702U (en) * | 2018-05-21 | 2018-12-21 | 杭州嘉诚机械有限公司 | A kind of anti-rotational screw lift |
| CN208327239U (en) * | 2018-05-21 | 2019-01-04 | 杭州嘉诚机械有限公司 | A kind of screw lift with sealing device |
| CN109761174A (en) * | 2019-03-15 | 2019-05-17 | 宋夕杰 | The convenient boom hoisting of kiln well lid |
-
2019
- 2019-09-02 CN CN201910822747.8A patent/CN110562894A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976488A (en) * | 2010-11-03 | 2011-02-16 | 上海优培智能科技有限公司 | Wellhole and wellshutter security alarming system for power telecom engineering |
| CN103613032A (en) * | 2013-11-29 | 2014-03-05 | 国家电网公司 | Movable cable cover plate crane carriage of transformer substation |
| CN107888600A (en) * | 2017-11-21 | 2018-04-06 | 北京恒华伟业科技股份有限公司 | A kind of localization method |
| CN208136967U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | Cable work well cover plate moving device |
| CN208265702U (en) * | 2018-05-21 | 2018-12-21 | 杭州嘉诚机械有限公司 | A kind of anti-rotational screw lift |
| CN208327239U (en) * | 2018-05-21 | 2019-01-04 | 杭州嘉诚机械有限公司 | A kind of screw lift with sealing device |
| CN109761174A (en) * | 2019-03-15 | 2019-05-17 | 宋夕杰 | The convenient boom hoisting of kiln well lid |
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Application publication date: 20191213 |
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