The dual-purpose brake pull-rod of electric power
Technical field
The utility model is related to brake pull-rod technical fields, the specially dual-purpose brake pull-rod of electric power.
Background technology
In power system inspection maintenance, insulating bar is one of common security tool, is mainly used for the short time pair
The insulating tool that charging equipment is operated e.g. is switched on or switched off high voltage isolator, dropping fuse tool etc., originally due to switch
The problem of body, if after switch disconnects, it is possible to which a certain phase is still charged, in this way, in operating personnel's operation isolation disconnecting link, pole has
On-load may be caused to operate a switch, or even personal injury occurs, it is necessary to carry out electrical verification, after determining no-voltage, Cai Nengcao at disconnecting link
It operates a switch;In inspection and maintenance process, be frequently encountered device loosen or screw lose the phenomenon that, there are also the devices of damage
Part needs replacing, and traditional maintaining method is operating personnel to carry out in Ground Operation, or by staircase or using the environment at scene
It ascends a height operation, when operation, needs operating personnel with good safety device, and carry necessary tool, protected with the circuit of maintenance
A certain distance is held, required Work tool attachment is being loaded onto by end, carries out operation using operating lever, there have been drawings thus
Restrictor bar, later for ease of electric power overhaul electrical verification when it is used, there have been the dual-purpose brake pull-rods of electric power, such as Chinese patent
CN205610067U discloses a kind of multifunction power maintenance insulating bar, insulation operate a switch head left end be equipped with maintenance
Mechanism is installed with ring mounts in the operate a switch lower end of head of insulation by fastening bolt, fixed on ring mounts
Electroscope is installed, the pullover of the maintenance agencies is connected to one end of ratchet shaft, and limit is equipped in the other end of ratchet shaft
Shoulder is respectively equipped with bearing at the both ends of ratchet shaft and pawl seat cooperation, sealing cover is equipped in one end of pawl seat, in pawl seat
The other end be fixedly connected with connector by matched internal and external threads.It cannot be very but operate a switch the angle of head due to insulation
Good adjusting, when electric power overhaul need the erect-position of continuous mobile human body to make brake pull-rod head tilt after catch on plug-in strip and cause plug-in strip disconnected
Electricity, the consequence brought in this way is plug-in strip power-off not in time and the time of waste service work, the effect used are bad.
Utility model content
The purpose of this utility model is to provide the dual-purpose brake pull-rods of electric power, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:The dual-purpose brake pull-rod of electric power, including brake pull-rod,
Rod set of operating a switch and head of operating a switch, the rod set of operating a switch are socketed in the top of brake pull-rod, are fixedly connected on the inside of the head of operating a switch
There is rotation fixing device, head of operating a switch is rotatablely connected by rotating the outside of fixing device and rod set of operating a switch.
The rotation fixing device includes shaft, is fixedly connected on the inside of the both ends of the shaft and head of operating a switch, described
Rotation slot is offered on the inside of rod set of operating a switch, rod set of operating a switch is rotatablely connected by the outer surface of rotation slot and shaft, the shaft
Middle part be fixedly connected with runner, the outer surface of the runner is fixedly connected with cutting, and the brake pull-rod is put on close to its bottom
Side offer pressing groove, rod set of operating a switch is connected with briquetting by pressing groove, and the side of the briquetting, which is fixed, to be connected
It is connected to latch plate, the side of the latch plate is fixedly connected with resetting spring one, and the side of the pressing groove offers spring groove,
The inside of the spring groove is fixedly connected with one end of resetting spring one, and telescopic chute is offered in the middle part of the rod set of operating a switch, and is drawn
Restrictor bar set is connected with telescopic rod by telescopic chute, stripping and slicing is fixedly connected at the top of the telescopic rod, telescopic rod is by cutting
The outer surface of block and cutting is clamped, and the bottom of the telescopic rod is fixedly connected with resetting spring two, the bottom of the resetting spring two
Portion is fixedly connected with the bottom of telescopic chute, and the side of the latch plate is also fixedly connected with kelly, and one end of the kelly is run through
The intracavitary of telescopic chute is extended on the inside of spring groove, bayonet is offered on the outside of the telescopic rod, and telescopic rod passes through bayonet and card
One end of bar is clamped.
Preferably, it is detachably connected on the inside of the both ends of the shaft and head of operating a switch.
Preferably, the size of the stripping and slicing is adapted with the spacing of two neighboring cutting.
Preferably, the vertical section of the bayonet is in the shape of a right-angled ladder, and the size of bayonet is adapted with kelly.
Preferably, one end of the kelly offers inclined-plane, and the inclined-plane is parallel with the inclined-plane of bayonet.
Compared with prior art, the utility model has an advantageous effect in that:The utility model by setting operate a switch head,
Shaft, runner, cutting, briquetting, latch plate, resetting spring one, telescopic rod, stripping and slicing, resetting spring two, kelly and bayonet, make
When brake pull-rod head angular adjustment, briquetting is first inwardly squeezed, resetting spring one compresses, due to kelly while shifting in kelly
With the crowded effect of cutting of bayonet, telescopic rod gradually moves down, and resetting spring two compresses, and is detached from while stripping and slicing moves down and with cutting, this
When rotation operate a switch after head to certain angle, unclamp briquetting, resetting spring one is sprung back, and presses block reset, and resetting spring two returns
Bullet, telescopic rod move up, and block cutting while stripping and slicing moves up in time, achieve the purpose that limit, so far adjust and finish, by above-mentioned
The cooperation of structure, the angle adjustable for the head that makes to operate a switch, so that head of operating a switch can preferably catch on plug-in strip and cause plug-in strip
Power-off is timely, saves the time of service work, the effect used is preferable.
Description of the drawings
Fig. 1 is that the utility model is operated a switch the structural schematic diagram of head front view;
Fig. 2 be the utility model operate a switch head front view partial sectional view structural schematic diagram;
Fig. 3 is the structural schematic diagram of the partial sectional view of the utility model brake pull-rod rostral view.
In figure:1- brake pull-rods, 2- operate a switch head, 4- rotations fixing device, 5- shafts, 6- runners, the 7- of rod set, 3- that operate a switch are cut
Tooth, 8- briquettings, 9- latch plates, 10- resetting springs one, 11- telescopic rods, 12- strippings and slicings, 13- resetting springs two, 14- kellies,
15- bayonets.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution:The dual-purpose brake pull-rod of electric power, including brake pull-rod 1, operate a switch
Rod set 2 and head 3 of operating a switch, rod set of operating a switch 2 are socketed in the top of brake pull-rod 1, and the inside of head of operating a switch 3 is fixedly connected with rotation admittedly
Determine device 4, head of operating a switch 3 is rotatablely connected by rotating the outside of fixing device 4 and rod set 2 of operating a switch.
Fig. 2 and Fig. 3 are please referred to, rotation fixing device 4 includes shaft 5, and the both ends of shaft 5 and the inside for head 3 of operating a switch are solid
Fixed connection, the both ends of shaft 5 and the inside for head 3 of operating a switch are detachably connected, and are fixed and are connected close to the outer surface at its both ends in shaft 5
It is connected to external screw thread, shaft 5 is threaded with nut by external screw thread, while the outside for head 3 of operating a switch offers nut slot, operates a switch
Head 3 is clamped by the outer wall of nut slot and nut to be achieved the purpose that be detachably connected, easy to disassemble, rod set of operating a switch 2 it is interior
Side offers rotation slot, and rod set of operating a switch 2 is rotatablely connected by the outer surface of rotation slot and shaft 5, and the middle part of shaft 5 is fixedly connected
There are runner 6, the outer surface of runner 6 to be fixedly connected with cutting 7, the side in rod set of operating a switch 2 close to its bottom offers pressing groove,
Rod set of operating a switch 2 is connected with briquetting 8 by pressing groove, and the side of briquetting 8 is fixedly connected with latch plate 9, latch plate 9
Side is fixedly connected with resetting spring 1, and the side of pressing groove offers spring groove, inside and the resetting spring one of spring groove
10 one end is fixedly connected, and the middle part of rod set of operating a switch 2 offers telescopic chute, and rod set of operating a switch 2 is connected with by telescopic chute stretches
The top of contracting bar 11, telescopic rod 11 is fixedly connected with stripping and slicing 12, and telescopic rod 11 is clamped by the outer surface of stripping and slicing 12 and cutting 7,
The size of stripping and slicing 12 is adapted with the spacing of two neighboring cutting 7, is stuck in two neighboring cut while so that stripping and slicing 12 is moved up in time
Between tooth 7, to achieve the purpose that limit, the angle for the head 3 that makes to operate a switch immobilizes, and the bottom of telescopic rod 11 is fixedly connected with multiple
Position spring 2 13, the bottom of resetting spring 2 13 are fixedly connected with the bottom of telescopic chute, and the side of latch plate 9 is also fixedly connected with
Kelly 14, one end of kelly 14 extend to the intracavitary of telescopic chute on the inside of spring groove, and the outside of telescopic rod 11 offers card
Mouth 15, telescopic rod 11 are clamped by one end of bayonet 15 and kelly 14, and the vertical section of bayonet 15 is in the shape of a right-angled ladder, and bayonet 15
Size be adapted with kelly 14, one end of kelly 14 offers inclined-plane, and the inclined-plane is parallel with the inclined-plane of bayonet 15, right angle
Trapezoidal to be made of rectangular portion and triangular portion, rectangular portion is used for blocking kelly 14, and kelly 14 is reminded to squeeze completely, triangular portion
The inclined-plane of inclined-plane and kelly 14, which generates, squeezes the effect of cutting, and telescopic rod 11 is caused to move.
Operation principle:The dual-purpose brake pull-rod of the electric power is in use, first inwardly squeeze briquetting 8, and resetting spring 1 compresses, card
Since the crowded effect of cutting of kelly 14 and bayonet 15, telescopic rod 11 gradually move down while shifting in bar 14, resetting spring 2 13 compresses,
It is detached from while stripping and slicing 12 moves down and with cutting 7, at this moment rotation is operated a switch after head 3 to certain angle, and briquetting 8 is unclamped, and is resetted
Spring 1 is sprung back, and briquetting 8 resets, and resetting spring 2 13 is sprung back, and telescopic rod 11 moves up, and stripping and slicing 12 blocks in time while moving up
Firmly cutting 7 achieve the purpose that limit, so far adjust and finish, by the cooperation of above structure, the adjustable angle for the head 3 that makes to operate a switch
Section, the effect used are preferable.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.