CN111287645A - Portable block terminal overhauls folding ladder - Google Patents
Portable block terminal overhauls folding ladder Download PDFInfo
- Publication number
- CN111287645A CN111287645A CN202010112122.5A CN202010112122A CN111287645A CN 111287645 A CN111287645 A CN 111287645A CN 202010112122 A CN202010112122 A CN 202010112122A CN 111287645 A CN111287645 A CN 111287645A
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- inclined ladder
- distribution box
- ladder
- meshing
- maintenance
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
Abstract
The invention relates to the field of distribution box maintenance, in particular to a portable folding ladder for distribution box maintenance. The utility model provides a portable block terminal overhauls folding ladder, including distribution box and inclined ladder storage box, be provided with the maintenance inclined ladder in the inclined ladder storage box, distribution box's bottom is rotated through the carousel and is connected with the installation casing, be provided with the spread groove in the installation casing, the top of inclined ladder storage box is provided with the supporting shoe, be provided with on the supporting shoe and be used for the card to go into the cardboard in the spread groove, be provided with the base on the lower surface of cardboard, be provided with meshing group on the lower surface of base, it is provided with meshing group down to correspond on the lower bottom surface of spread groove meshing group, it comprises a plurality of last meshing pieces to go up meshing group, meshing group comprises a plurality of. The invention is convenient for workers to disassemble, and can improve the convenience in use, thereby ensuring that the anti-theft door is not stolen.
Description
Technical Field
The invention relates to the field of distribution box maintenance, in particular to a portable folding ladder for distribution box maintenance.
Background
In the existing circuit construction, the suspension type distribution box has the advantages of small occupied area, low investment and the like, so that the suspension type distribution box has wide application range, especially in rural areas.
But suspension type block terminal exists and maintains inconveniently, shortcomings such as the sight of checking meter is unclear, especially salvagees personnel and can only step on the pole with the climbers when salvageing at rainy night, because the pole hangs the case distance far away and the aversion is inconvenient with the distribution, has great potential safety hazard.
In order to reduce the degree of difficulty of unsettled operation, someone has studied here, the maintenance inclined ladder of installing on distribution box has been designed, thereby open the maintenance inclined ladder and can climb through the inclined ladder and overhaul the operation when using, but current maintenance inclined ladder generally is through the carousel connection on distribution box, though convenient to use, but overhaul the whole difficult dismantlement of inclined ladder, generally a distribution box joins in marriage a maintenance inclined ladder, especially do not have the highway section of control in rural area, the condition that the maintenance inclined ladder was stolen can take place probably, can cause great loss in the past in the long run.
For example, the Chinese patent publication numbers are: CN207033338U, a suspension type distribution box maintenance inclined ladder announced in 2018, 2/23/h, which comprises a distribution box body, wherein a rotatable inclined ladder storage box is arranged below the distribution box body, an maintenance inclined ladder is arranged in the inclined ladder storage box, the maintenance inclined ladder comprises two rows of shear fork supports which are axisymmetrical, each shear fork support comprises support bars connected through a hinge, the support bars positioned at the opposite inner sides of the two rows of shear fork supports are parallel to each other, and pedals are arranged at the opposite side surfaces of the support bars positioned at the inner sides of the shear fork supports; the supporting bars positioned at the outer side of the scissor bracket are mutually parallel; two sides in the inclined ladder storage box are respectively provided with a limiting guide rail, and the top end of the maintenance inclined ladder is movably arranged in the limiting guide rails. The utility model discloses a though the lower extreme that will overhaul the inclined ladder when needs use is taken out, overhauls the inclined ladder and becomes an acute angle with ground, just can accomplish the fixed of overhauing the inclined ladder through the dead weight of overhauing the inclined ladder, and the structure is firm, and convenient to use can improve the operating efficiency of salvageing the operation, but because this inclined ladder storage box is connected on distribution box through the carousel, dismantles inconveniently, is stolen easily, causes loss of property.
Disclosure of Invention
The invention mainly aims at solving the problems that the existing maintenance inclined ladder is generally connected to a distribution box body through a rotary table, the maintenance inclined ladder is not easy to detach integrally although the use is convenient, one distribution box body is generally provided with one maintenance inclined ladder, and the maintenance inclined ladder is possibly stolen in rural areas especially in unmonitored road sections, which causes great loss in the past.
The purpose of the invention is mainly realized by the following scheme: a portable distribution box overhauls folding ladder, includes distribution box and inclined ladder storage box, inclined ladder storage box in be provided with the maintenance inclined ladder, the maintenance inclined ladder include two of axisymmetric scissors fork supports, the scissors fork support include the support bar through hinged joint, the support bar that is located two relative inboards of scissors fork support is parallel to each other, the side that is located the support bar of scissors fork support inboard is relative is provided with the footboard, the support bar that is located the scissors fork support outside is parallel to each other, both sides in the inclined ladder storage box are equipped with limit guide respectively, the mobilizable setting in limit guide in top of maintaining the inclined ladder, distribution box on have a chamber door through hinge connection, distribution box's bottom rotate through the carousel and be connected with the installation casing, the installation casing in be provided with the spread groove, inclined ladder storage box's top be provided with the supporting shoe, the supporting block on be provided with the cardboard that is used for the card to go into in the spread groove, the lower surface of cardboard on be provided with the base, the lower surface of base on be provided with the meshing group, the lower bottom surface of spread groove on correspond the meshing group and be provided with down the meshing group, last meshing group constitute by a plurality of upper meshing piece, lower meshing group constitute by a plurality of lower meshing piece. The inclined ladder storage box is internally provided with an overhauling inclined ladder, the overhauling inclined ladder comprises two rows of shear fork supports which are axially symmetrical, each shear fork support comprises supporting bars which are connected through a hinge, the supporting bars which are positioned at the opposite inner sides of the two rows of shear fork supports are mutually parallel, the sides which are positioned at the opposite sides of the supporting bars which are positioned at the inner sides of the shear fork supports are provided with pedals, the supporting bars which are positioned at the outer sides of the shear fork supports are mutually parallel, two sides in the inclined ladder storage box are respectively provided with a limiting guide rail, the top end of the overhauling inclined ladder is movably arranged in the limiting guide rails, the overhauling inclined ladder is directly bundled in the inclined ladder storage box when not used, the lower end of the overhauling inclined ladder is drawn out to be contacted with the ground when needed, the overhauling inclined ladder forms an acute angle with the ground, the fixing of the overhauling inclined ladder can be completed through the dead weight of the overhauling inclined ladder, the overhauling inclined ladder on a rush, the distribution box body is connected with a box door through a hinge, the internal maintenance inclined ladder can be taken out along a limiting guide rail by opening the box door, the use is very convenient, the bottom of the distribution box body is rotatably connected with an installation shell through a rotary disc, the rotary disc is an existing universal rotary disc, the rotary disc and the installation shell are also installed on the distribution box body when the distribution box does not need maintenance, a connecting groove is arranged in the installation shell, a supporting block is arranged at the top end of the inclined ladder storage box, a clamping plate used for being clamped into the connecting groove is arranged on the supporting block, a base is arranged on the lower surface of the clamping plate, an upper meshing group is arranged on the lower surface of the base, a lower meshing group is arranged on the lower bottom surface of the connecting groove corresponding to the upper meshing group, the upper meshing group is composed of a plurality of upper meshing blocks, the lower meshing group is composed of a plurality of, the clamping plates on the inclined ladder storage box are correspondingly clamped into the connecting grooves of the mounting shell by workers, then the inclined ladder storage box is moved downwards, so that the upper meshing group is meshed with the lower meshing group, namely, a gap between two adjacent upper meshing blocks is just clamped on the lower meshing block, and a gap between two adjacent lower meshing blocks is just clamped on the upper meshing block, so that the clamping plates cannot move when the workers carry out maintenance operation, and the stability is high; after the maintenance operation is accomplished, the staff accomodates the inclined ladder to the inclined ladder storage box earlier, then up removes certain distance with whole inclined ladder storage box, works as the meshing group and separates the back with lower meshing group, thereby can the translation inclined ladder storage box make the cardboard break away from the spread groove, and it is very convenient to dismantle, can not take place the condition of stolen.
Preferably, the door is provided with a door lock. The door lock is arranged on the box door, and the maintenance inclined ladder locks the box door through the door lock when not in use, so that the maintenance inclined ladder can be prevented from automatically separating from the inclined ladder storage box when being subjected to external forces such as gravity and the like.
Preferably, the cross section of each of the upper engaging block and the lower engaging block is triangular. The sections of the upper meshing block and the lower meshing block are triangular, the shapes are regular, meshing of the upper meshing group and the lower meshing group at different positions can be realized, and workers can adjust the horizontal position of the inclined ladder storage box conveniently.
Preferably, the wall at the top of the connecting groove is hinged with a baffle plate, the baffle plate is arranged at an opening close to the connecting groove, and an auxiliary spring is connected between the top end of the baffle plate and the wall at the top of the connecting groove. Articulated on the wall at spread groove top have a baffle, and the baffle setting is being close to the opening part at spread groove, is connected with auxiliary spring between the wall at baffle top and spread groove top, and the setting of baffle can be when need not overhauing the operation carry out the effect of sealed protection to the spread groove, can prevent effectively that external rainwater, mosquito or impurity from getting into in the spread groove.
Preferably, the height of the baffle is larger than that of the connecting groove. The height of baffle is greater than the height of spread groove to make when the baffle does not receive external force, the baffle can support under auxiliary spring's effect on the lower bottom surface of spread groove, can effectively play the shutoff effect to the opening of spread groove.
Preferably, the lower surface of the clamping plate is provided with two buffering devices, the two buffering devices are respectively arranged on two sides of the upper meshing group, each buffering device comprises a gas storage shell fixed on the clamping plate, a gas storage cavity is formed in each gas storage shell, a piston is connected in each gas storage cavity in a sliding mode, a buffering rod penetrating through each gas storage shell and used for abutting against the lower surface of each connecting groove is arranged on each piston, a reset spring is connected between each piston and the top surface of each gas storage cavity, and one side, far away from each buffering rod, of each gas storage shell is provided with a gas outlet. The lower surface of the clamping plate is provided with two buffering devices, the arrangement of the buffering devices can play a role of buffering when the upper meshing group and the lower meshing group are meshed, the two buffering devices are respectively arranged at two sides of the upper meshing group, each buffering device comprises a gas storage shell fixed on the clamping plate, a gas storage cavity is arranged in each gas storage shell, a piston is connected in each gas storage cavity in a sliding manner, a buffering rod which penetrates through each gas storage shell and is used for abutting against the lower surface of each connecting groove is arranged on each piston, a reset spring is connected between each piston and the top surface of each gas storage cavity, one side, far away from each buffering rod, of each gas storage shell is provided with a gas outlet, when an inclined ladder storage box is moved downwards by a worker to enable the upper meshing group and the lower meshing group to be meshed, each buffering rod can abut against the lower surface of each connecting, can play effectual buffering effect, cause the damage when preventing the staff from installing hard.
Preferably, the clamping plate is provided with a mounting groove for accommodating the base, the base is connected with the top of the mounting groove through an elastic sealing gasket, an expansion cavity is formed in the elastic sealing gasket, the air outlet is connected with an exhaust pipe, and one end, far away from the air outlet, of the exhaust pipe is communicated to the expansion cavity. Be provided with the mounting groove that is used for holding the base on the cardboard, be connected through the elastic sealing gasket between the top of base and mounting groove, be provided with the inflation chamber in the elastic sealing gasket, be connected with the blast pipe on the blast hole, the one end intercommunication of keeping away from the blast hole of blast pipe is to the inflation chamber, when last meshing group and meshing group contact down, the buffer beam atress drives the piston and removes, the piston is when removing, can pass through the gas in the gas storage chamber and the blast pipe inflation intracavity of impressing, thereby make the inflation chamber can drive the inflation of elastic sealing gasket, can drive base and last meshing group when the elastic sealing gasket inflation and remove and tightly support under meshing group, improve the stability when inclined ladder bin installation and use, and the setting of elastic sealing gasket can play the effect of certain shock attenuation buffering when overhauing the inclined ladder use.
Preferably, both ends of the supporting bar are respectively bent towards the direction of the hinged supporting bar, so that the supporting bar forms an S-shaped structure. The two ends of the supporting bar are respectively bent towards the direction of the hinged supporting bar so that the supporting bar forms an S-shaped structure, the supporting bar adopts the S-shaped structure, and the combination of the two ends of the supporting bar is smooth in the using process, so that the use safety of rush repair personnel is guaranteed; meanwhile, compared with the straight-line section-shaped structure, the S-shaped structure has small extension amount when straightening is close to, is beneficial to maintaining the stability of the maintenance folding ladder and is convenient for the standardized production of the maintenance folding ladder; the footboard welding is in the support bar side, and each footboard is parallel to each other, can ensure in the use of folding ladder, and the folding ladder guarantees a comfortable slope simultaneously, and the footboard is less or for 0 degree with horizontal ground contained angle to improve the maintenance efficiency of salvageing the operation, be favorable to the standardized production of folding ladder.
Preferably, paired rolling bearings are arranged at the top end of the overhauling inclined ladder, a blocking rod is arranged between the rolling bearings, the rolling bearings are embedded in the limiting guide rail, and the opening end of the inclined ladder storage box is provided with a limiting bolt. The top of overhauing the inclined ladder is provided with mated antifriction bearing, be provided with between the antifriction bearing and block the pole, antifriction bearing inlays to be established in limit guide, the open end of inclined ladder storage box is provided with spacing bolt, spacing bolt prevents to block that the pole from falling out the inclined ladder storage box, do not influence taking out of the inclined ladder of overhauing, antifriction bearing can fix in limit guide on the top of overhauing the inclined ladder, can roll in limit guide, be favorable to taking out and put back the maintenance inclined ladder, it is more convenient to make the use of overhauing the inclined ladder, be favorable to improving maintenance efficiency.
Preferably, the lower end of the overhaul inclined ladder is provided with an insulating pad. The lower extreme of overhauing the inclined ladder is provided with insulating the pad, can improve the staff and overhaul the stability of examining and repairing the inclined ladder when the operation to guarantee operation safety.
Therefore, the portable folding ladder for overhauling the distribution box has the following advantages: the inclined ladder is simple in structure, convenient for workers to detach, and capable of improving convenience in use, so that the inclined ladder can be prevented from being stolen, the stability of the inclined ladder for overhauling the workers during overhauling operation is high, and overhauling efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the service ladder of the present invention when not in use.
Figure 2 is a front view of the access ramp of the present invention in use.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a cross-sectional view of the interior of the inclined ladder storage of the present invention.
Figure 5 is a cross-sectional view of the snap-in of the present invention shown snapped into the attachment slot of the mounting housing.
Fig. 6 is a cross-sectional view at a in fig. 5.
Illustration of the drawings: 1-distribution box body, 2-rotary table, 3-inclined ladder storage box, 4-box door, 5-hinge, 6-door lock, 7-limit guide rail, 8-support bar, 9-pedal, 10-stop rod, 11-limit bolt, 12-insulating pad, 13-mounting shell, 14-support block, 15-rolling bearing, 16-snap plate, 17-mounting groove, 18-base, 19-upper engaging block, 20-lower engaging block, 21-exhaust pipe, 22-elastic sealing pad, 23-expansion cavity, 24-connecting groove, 25-baffle, 26-auxiliary spring, 27-gas storage cavity, 28-piston, 29-gas storage shell, 30-buffer rod, 31-gas outlet hole and 32-reset spring.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3 and 4, a portable folding ladder for distribution box maintenance comprises a distribution box body 1 and an inclined ladder storage box 3, wherein the inclined ladder for maintenance is arranged in the inclined ladder storage box 3 and comprises two rows of shear fork supports which are axisymmetric, each shear fork support comprises supporting bars 8 which are connected through hinges, the supporting bars 8 which are arranged at the opposite inner sides of the two rows of shear fork supports are mutually parallel, the sides, opposite to the supporting bars 8, which are arranged at the inner sides of the shear fork supports are provided with pedals 9, the supporting bars 8 which are arranged at the outer sides of the shear fork supports are mutually parallel, two sides in the inclined ladder storage box 3 are respectively provided with a limiting guide rail 7, the top end of the inclined ladder for maintenance can be movably arranged in the limiting guide rails 7, the inclined ladder for maintenance can be directly folded and bound in the inclined ladder storage box 3 when not used, the lower end of the inclined ladder for maintenance is drawn out when in use and is contacted with the ground, the inclined ladder for maintenance, the maintenance inclined ladder on a station of emergency repair personnel can lead the structure of the maintenance inclined ladder to be more reliable, the structure is stable, the operation efficiency of emergency repair operation can be improved, a box door 4 is connected on a distribution box body 1 through a hinge 5, the internal maintenance inclined ladder can be taken out along a limiting guide rail 7 by opening the box door 4, the use is very convenient, a door lock 6 is arranged on the box door 4, the box door 4 is locked through the door lock 6 when the maintenance inclined ladder is not used, the maintenance inclined ladder can be prevented from automatically separating from an inclined ladder storage box 3 when being subjected to external force such as gravity and the like, the bottom of the distribution box body 1 is rotatably connected with a mounting shell 13 through a rotary disc 2, the rotary disc 2 is an existing universal rotary disc, the rotary disc 2 and the mounting shell 13 are also arranged on the distribution box body 1 when the distribution box is not required to be maintained, a connecting groove 24 is arranged in the mounting shell 13, a, a base 18 is arranged on the lower surface of the clamping plate 16, an upper meshing set is arranged on the lower surface of the base 18, a lower meshing set is arranged on the lower bottom surface of the connecting groove 24 corresponding to the upper meshing set, the upper meshing set is composed of a plurality of upper meshing blocks 19, the lower meshing set is composed of a plurality of lower meshing blocks 20, when the worker transports the storage boxes 3 with the service ramps to the corresponding distribution boxes 1, the worker firstly inserts the clamping plates 16 on the inclined ladder storage box 3 into the connecting grooves 24 of the mounting shell 13, then moves the inclined ladder storage box 3 downwards to enable the upper meshing group to be meshed with the lower meshing group, that is, the gap between two adjacent upper engaging blocks 19 is just caught on the lower engaging block 20, the gap between two adjacent lower engaging blocks 20 is just caught on the upper engaging block 19, therefore, the clamping plate 16 cannot move when the worker carries out maintenance operation, and the stability is high; after the maintenance operation is accomplished, the staff accomodates the inclined ladder to the inclined ladder storage box 3 earlier, then with whole inclined ladder storage box 3 up remove certain distance, after last meshing group and meshing group separation down, thereby can the translation inclined ladder storage box 3 make cardboard 16 break away from spread groove 24, it is very convenient to dismantle, can not take place the condition of being stolen.
The sections of the upper meshing block 19 and the lower meshing block 20 are triangular, the shapes are regular, meshing of the upper meshing group and the lower meshing group at different positions can be realized, and workers can adjust the horizontal position of the inclined ladder storage box 3 conveniently.
As shown in fig. 5, a baffle 25 is hinged to the wall at the top of the connecting groove 24, the baffle 25 is arranged at the position close to the opening of the connecting groove 24, an auxiliary spring 26 is connected between the top end of the baffle 25 and the wall at the top of the connecting groove 24, the baffle 25 can perform a sealing protection function on the connecting groove 24 when maintenance operation is not required, and external rainwater, mosquitoes or impurities can be effectively prevented from entering the connecting groove 24; the height of baffle 25 is greater than the height of connecting groove 24 to make when baffle 25 does not receive external force, baffle 25 can support under the effect of auxiliary spring 26 on the lower bottom surface of connecting groove 24, can effectively play the shutoff effect to the opening of connecting groove 24.
Two buffer devices are arranged on the lower surface of the clamping plate 16, the buffer devices are arranged to play a buffer role when the upper meshing set and the lower meshing set are meshed, the two buffer devices are respectively arranged on two sides of the upper meshing set, as shown in fig. 6, each buffer device comprises an air storage shell 29 fixed on the clamping plate 16, an air storage cavity 27 is arranged in each air storage shell 29, a piston 28 is connected in each air storage cavity 27 in a sliding mode, a buffer rod 30 penetrating through each air storage shell 29 and abutting against the lower surface of the connecting groove 24 is arranged on each piston 28, a return spring 32 is connected between each piston 28 and the top surface of each air storage cavity 27, an air outlet 31 is arranged on one side, far away from each buffer rod 30, of each air storage shell 29, when an operator moves the inclined ladder storage box 3 downwards, when the upper meshing set is meshed with the lower meshing set, each buffer rod 30 abuts against the lower surface of the connecting groove 24 firstly, and therefore, each buffer rod 30 moves under force, can play effectual buffering effect, cause the damage when preventing the staff from installing hard.
The clamping plate 16 is provided with a mounting groove 17 for accommodating the base 18, the base 18 is connected with the top of the mounting groove 17 through an elastic sealing gasket 22, an expansion cavity 23 is arranged in the elastic sealing gasket 22, an exhaust pipe 21 is connected with the air outlet hole 31, one end of the exhaust pipe 21 far away from the air outlet hole 31 is communicated with the expansion cavity 23, when the upper meshing set contacts with the lower meshing set, the buffer rod 30 is forced to drive the piston 28 to move, when the piston 28 moves, the gas in the gas storage cavity 27 can be pressed into the expansion cavity 23 after passing through the gas outlet hole 31 and the exhaust pipe 21, so that the expansion cavity 23 can drive the elastic sealing gasket 22 to expand, the base 18 and the upper meshing set can be driven to move and tightly abut against the lower meshing set when the elastic sealing gasket 22 expands, the stability of the inclined ladder storage box 3 during installation and use is improved, and the elastic sealing gasket 22 can play a certain role in damping and buffering when the maintenance inclined ladder is used.
The two ends of the supporting bar 8 are respectively bent towards the direction of the hinged supporting bar 8, so that the supporting bar 8 forms an S-shaped structure, the supporting bar 8 adopts the S-shaped structure, and the combination position of the two ends of the supporting bar 8 is smooth in the using process, thereby being beneficial to ensuring the use safety of rush repair personnel; meanwhile, compared with the straight-line section-shaped structure, the S-shaped structure has small extension amount when straightening is close to, is beneficial to maintaining the stability of the maintenance folding ladder and is convenient for the standardized production of the maintenance folding ladder; the footboard 9 welds in 8 sides of support bar, and each footboard 9 is parallel to each other, can ensure in the use of folding ladder, and when the folding ladder guaranteed a comfortable slope, footboard 9 was less or for 0 degree with horizontal ground contained angle to improve the maintenance efficiency of salvageing the operation, be favorable to the standardized production of folding ladder.
The top of overhauing the inclined ladder is provided with mated antifriction bearing 15, be provided with between the antifriction bearing 15 and block pole 10, antifriction bearing 15 inlays and establishes in limit guide 7, the open end of inclined ladder storage box 3 is provided with limit bolt 11, limit bolt 11 prevents to block that pole 10 from falling out inclined ladder storage box 3, do not influence taking out of overhauing the inclined ladder, antifriction bearing 15 can be fixed in limit guide 7 on the top of overhauing the inclined ladder, can roll in limit guide 7, be favorable to taking out and put back the maintenance inclined ladder, it is more convenient to make the use of overhauing the inclined ladder, be favorable to improving maintenance efficiency.
The lower extreme of overhauing the inclined ladder is provided with insulating 12 pads, can improve the staff and overhaul the stability of examining and repairing the inclined ladder when the operation to guarantee the operation safety.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. A portable distribution box overhauls folding ladder, includes distribution box and inclined ladder storage box, inclined ladder storage box in be provided with the maintenance inclined ladder, the maintenance inclined ladder include two of axisymmetric scissors fork supports, the scissors fork support include the support bar through hinged joint, be located two and cut the relative inboard support bar of fork support and be parallel to each other, the side that the support bar that is located scissors fork support inboard is relative is provided with the footboard, the support bar that is located scissors fork support outside is parallel to each other, both sides in the inclined ladder storage box are equipped with limit guide respectively, the mobilizable setting in limit guide in top of maintaining the inclined ladder, a serial communication port, distribution box on have a chamber door through hinge connection, distribution box's bottom rotate through the carousel and be connected with the installation casing, the installation casing in be provided with the spread groove, inclined ladder storage box's top be provided with the support block, the supporting block on be provided with the cardboard that is used for the card to go into in the spread groove, the lower surface of cardboard on be provided with the base, the lower surface of base on be provided with the meshing group, the lower bottom surface of spread groove on correspond the meshing group and be provided with down the meshing group, last meshing group constitute by a plurality of upper meshing piece, lower meshing group constitute by a plurality of lower meshing piece.
2. The portable distribution box overhauling folding ladder according to claim 1, wherein a door lock is arranged on the box door.
3. The portable distribution box overhauling folding ladder as recited in claim 1, wherein the sections of the upper meshing block and the lower meshing block are both triangular.
4. The portable folding ladder for distribution box overhaul according to claim 1, 2 or 3, wherein a baffle is hinged to the wall of the top of the connecting groove and is arranged at the position close to the opening of the connecting groove, and an auxiliary spring is connected between the top end of the baffle and the wall of the top of the connecting groove.
5. The portable power distribution box access folding ladder of claim 4, wherein the height of the baffle is greater than the height of the connecting groove.
6. The portable folding ladder for distribution box overhaul according to claim 1, 2 or 3, wherein two buffering devices are arranged on the lower surface of the clamping plate and are respectively arranged on two sides of the upper meshing group, each buffering device comprises a gas storage shell fixed on the clamping plate, a gas storage cavity is arranged in each gas storage shell, a piston is connected in each gas storage cavity in a sliding mode, a buffering rod penetrating through each gas storage shell and abutting against the lower surface of each connecting groove is arranged on each piston, a reset spring is connected between each piston and the top surface of each gas storage cavity, and a gas outlet hole is formed in one side, far away from each buffering rod, of each gas storage shell.
7. The portable folding ladder for overhauling power distribution boxes according to claim 6, wherein a mounting groove for accommodating the base is formed in the clamping plate, the base is connected with the top of the mounting groove through an elastic sealing gasket, an expansion cavity is formed in the elastic sealing gasket, an exhaust pipe is connected to the air outlet, and one end, far away from the air outlet, of the exhaust pipe is communicated to the expansion cavity.
8. The portable power distribution box access folding ladder of claim 1, 2 or 3, wherein both ends of the supporting bars are respectively bent towards the hinged supporting bars so as to form an S-shaped structure.
9. The portable distribution box maintenance folding ladder according to claim 1, 2 or 3, characterized in that paired rolling bearings are arranged at the top end of the maintenance folding ladder, a blocking rod is arranged between the rolling bearings, the rolling bearings are embedded in a limiting guide rail, and a limiting bolt is arranged at the opening end of the storage box of the folding ladder.
10. The portable folding ladder for distribution box maintenance as claimed in claim 1, 2 or 3, wherein the lower end of the inclined ladder for maintenance is provided with an insulating pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112122.5A CN111287645B (en) | 2020-02-24 | 2020-02-24 | Portable block terminal overhauls folding ladder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010112122.5A CN111287645B (en) | 2020-02-24 | 2020-02-24 | Portable block terminal overhauls folding ladder |
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| Publication Number | Publication Date |
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| CN111287645A true CN111287645A (en) | 2020-06-16 |
| CN111287645B CN111287645B (en) | 2022-03-29 |
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| CN202010112122.5A Active CN111287645B (en) | 2020-02-24 | 2020-02-24 | Portable block terminal overhauls folding ladder |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120266436A1 (en) * | 2011-04-22 | 2012-10-25 | Rittmann Jean V | Ladder top end support with platforms |
| CN205778482U (en) * | 2016-07-20 | 2016-12-07 | 国网安徽省电力公司检修公司 | Electric power overhaul folding ladder |
| CN107905720A (en) * | 2017-06-19 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of distribution box maintenance ladder |
| CN109116941A (en) * | 2018-09-14 | 2019-01-01 | 江苏又城智能科技有限公司 | A kind of easily maintenance cabinet |
| CN109210302A (en) * | 2018-09-20 | 2019-01-15 | 卢俊文 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
| CN209747807U (en) * | 2019-06-11 | 2019-12-06 | 茅台学院 | USB connector for computer with dustproof function |
-
2020
- 2020-02-24 CN CN202010112122.5A patent/CN111287645B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120266436A1 (en) * | 2011-04-22 | 2012-10-25 | Rittmann Jean V | Ladder top end support with platforms |
| CN205778482U (en) * | 2016-07-20 | 2016-12-07 | 国网安徽省电力公司检修公司 | Electric power overhaul folding ladder |
| CN107905720A (en) * | 2017-06-19 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of distribution box maintenance ladder |
| CN109116941A (en) * | 2018-09-14 | 2019-01-01 | 江苏又城智能科技有限公司 | A kind of easily maintenance cabinet |
| CN109210302A (en) * | 2018-09-20 | 2019-01-15 | 卢俊文 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
| CN209747807U (en) * | 2019-06-11 | 2019-12-06 | 茅台学院 | USB connector for computer with dustproof function |
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| CN111287645B (en) | 2022-03-29 |
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