CN112977560B - Auxiliary device for carrying relay protection debugging instrument - Google Patents
Auxiliary device for carrying relay protection debugging instrument Download PDFInfo
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- CN112977560B CN112977560B CN202110246090.2A CN202110246090A CN112977560B CN 112977560 B CN112977560 B CN 112977560B CN 202110246090 A CN202110246090 A CN 202110246090A CN 112977560 B CN112977560 B CN 112977560B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
- B62B1/12—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible
- B62B1/125—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving parts being adjustable, collapsible, attachable, detachable, or convertible by means of telescoping elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B1/00—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor
- B62B1/10—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels
- B62B1/14—Hand carts having only one axis carrying one or more transport wheels; Equipment therefor in which the load is intended to be transferred totally to the wheels involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/02—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs
- B62B5/026—Accessories or details specially adapted for hand carts providing for travelling up or down a flight of stairs with spiders or adapted wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
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Abstract
The invention discloses an auxiliary device for carrying a relay protection debugging instrument in the technical field of secondary debugging auxiliary equipment of a transformer substation, which comprises a bearing underframe, wherein one side of the top of the bearing underframe is hinged with a turnover frame through a hinge, the top of the turnover frame is provided with a handle, one side of the bottom of the bearing underframe close to the turnover frame is provided with a climbing wheel group, the other side of the bottom of the bearing underframe is provided with an adjustable foot support, the turnover frame is provided with four test line switching mechanisms which are respectively used as an A phase, a B phase, a C phase and a grounding phase side by side, the bottom of the bearing underframe is provided with a test line switching mechanism which is used as external grounding of the relay protection debugging instrument, and four groups of fixing mechanisms which respectively correspond to four corners of the relay protection debugging instrument are arranged on the bearing underframe.
Description
Technical Field
The invention relates to the technical field of secondary debugging auxiliary equipment of a transformer substation, in particular to an auxiliary device for carrying a relay protection debugging instrument.
Background
The debugging work of the relay protection device is that relay protection personnel input analog voltage and current to the device or the electrical equipment by using a debugging instrument according to professional regulations and requirements, and then judge whether protection can act correctly by using an indoor device through acquiring electrical parameters, so that faults are removed in time, and the economic loss of a power grid is effectively reduced. Because the debugging work is required to be carried out under the condition that the equipment is powered off, the efficiency of the work influences the power transmission time and the life and production of users.
The relay protection debugging instrument is a table type instrument device required to be used for debugging the relay protection device, the debugging work of the relay protection device is generally carried out in different places outdoors, therefore, a movable placing frame is required to be moved and carried by the equipment, the movable placing frame used in the prior art is a trolley, the trolley meets the characteristic of being portable in movement, but the relay protection debugging instrument used in daily life has different models of various different brands, the overall dimension of the equipment is different, and the relay protection debugging instrument is easy to slide or even turn over when placed on the trolley to go downhill or on uneven road surfaces, so that the potential safety hazard of the equipment in use exists.
When a current transformer or a line phase sequence checking operation is replaced at an outdoor 35kV or above voltage class transformer substation line interval, the precision of a protection device and a measurement device needs to be judged through the addition of a protection tester, and four-core yellow-A phase, green-B phase, red-C phase and black-N grounding electrode test wires are used in the process. Generally, the current special-purpose dosage test line is divided into two types, the traditional common test line matched with the protection debugging instrument is in a scattered bone winding type, and the length of the test line is about 3 m. Because the use process often causes four cores to be stirred together, especially when voltage and current are respectively applied to the protection tester, the time for arranging the test wires is required to take several minutes, and the time is roughly divided into wiring of the tester before debugging, wire changing in the debugging process and wire winding after the debugging is finished.
Relay protection debugging appearance is the required desk-top instrument equipment that uses of relay protection device debugging work, relay protection device debugging work generally goes on in outdoor different places, consequently need portable dispenser so that equipment removes and carries, the portable dispenser that currently uses is the small handcart, the small handcart if meet higher threshold level at the push-and-pull in-process, then difficult smooth passing through such as step, and need stop in the slope bottom surface if the device, then the dolly support plate also will be the tilt state, lead to preventing the debugging appearance equipment slope on the support plate, be not convenient for operate.
Based on the technical scheme, the invention designs an auxiliary device for carrying the relay protection debugging instrument to solve the problems.
Disclosure of Invention
The invention aims to provide an auxiliary device for carrying a relay protection debugging instrument, which aims to solve the technical problem.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a ship relay protection debugging appearance auxiliary device, includes the bearing chassis, bearing chassis top one side articulates through the hinge has the roll-over stand, the roll-over stand top is provided with the handle, the bottom of bearing chassis is pressed close to roll-over stand one side is provided with the climbing wheelset, the bottom opposite side of bearing chassis is provided with adjustable heel brace, be provided with four test wire changeover mechanism as A looks, B looks, C looks and ground connection looks respectively on the roll-over stand side by side, the bottom of bearing chassis is provided with the test wire changeover mechanism as the outer ground connection of relay protection debugging appearance, be provided with four fixed establishment that correspond relay protection debugging appearance four corners respectively of group on the bearing chassis.
Preferably, the climbing wheelset includes the shaft, the shaft both sides pass through the bearing frame install in the bottom of bearing chassis, the fixed cover in both ends of shaft is equipped with the lantern ring, the outer wall of lantern ring is provided with a plurality of connecting rods, the gyro wheel is installed to the end of connecting rod, adjustable heel brace including fixed set up in the internal thread sleeve of bearing chassis bottom, the telescopic inner chamber spiro union of internal thread has external screw thread bolt post, the bottom handing-over of external screw thread bolt post has the pendulum piece, the bottom of pendulum piece is connected with the bottom plate.
Preferably, the number of the connecting rods and the rollers is three, the three groups of the connecting rods and the rollers are distributed in a circumferential array shape by taking the axis of the wheel shaft as the center, and the bottom of the bottom plate is provided with an anti-skid rubber pad.
Preferably, test line changeover mechanism includes the pivot, the both ends of pivot rotate respectively through the bearing frame install in on the roll-over stand, the pivot left side is provided with two interval distribution's bunch baffle, driven bevel gear is installed through one-way bearing in the pivot right side, the below fixed mounting of pivot has driving motor and reduction gear, the output of reduction gear has cup jointed the drive bevel gear, drive bevel gear with driven bevel gear meshing transmission.
Preferably, the pivot outer wall is located two the winding is provided with the extension wire between the bunch baffle, the extension wire with relay protection debugging appearance be connected one end by the tip of pivot is drawn forth, the extension wire is provided with the crocodile clip with the external detection equipment connection one end, the top of pivot is provided with fixed bunch piece, set up the line hole that is less than the crocodile clip on the fixed bunch piece, the extension wire passes wherein, the side of roll-over stand is provided with and is used for controlling each driving motor's control box, fixed bunch piece top install can by the travel switch that the crocodile clip touched down.
Preferably, fixed establishment includes the screw rod, the medial extremity of screw rod be provided with be used for with bearing chassis articulated end, the outside end of screw rod is provided with spacing separation blade, screw rod outer wall middle part movably has cup jointed the sleeve, telescopic top is rotated through the pivot and is connected with the corner stopper, the screw rod outer wall just is located sleeve outside spiro union has fastening nut, the screw rod outer wall just is located sleeve inboard cover is equipped with compression spring.
Preferably, the corner stopper is the block that has trilateral mutually perpendicular wallboard, trilateral the wallboard corresponds the laminating respectively adjacent both sides face and the bottom surface of relay protection debugging appearance base angle.
Compared with the prior art, the invention has the beneficial effects that:
the climbing wheel set comprises three groups of connecting rods and rollers which are circumferentially arranged in an array manner, the two groups of rollers which are contacted with the bottom surface rotate to advance during translation, and can turn over by taking a wheel axle as a center when an obstacle needs to be crossed, so that the obstacle can be crossed, and the terrain such as a higher sill level and a step can be easily passed through; in addition, including the external screw thread bolt post that can adjust height from top to bottom in the adjustable heel brace and articulate in the pendulum piece and the bottom plate of external screw thread bolt post bottom, when the device when parking on the slope road surface, the accessible extension perhaps shortens external screw thread bolt post and keeps bottom plate and bottom surface laminating, can compensate both ends level difference to guarantee that the bearing chassis is the horizontality with the relay protection debugging appearance of placing on the bearing chassis, convenient operation.
The test wire switching mechanism can be used for winding and rolling the extension lead by matching the rotating shaft with the two bunching baffles, and can realize automatic winding by driving the rotating shaft to rotate through the driving motor during winding, and the test wire is more efficiently finished by combining the constraint action of the fixed bunching block; further, in order to make things convenient for the extension wire to take simultaneously, through one-way bearing erection joint between passive bevel gear and the pivot, be one-way transmission between pivot and the driving motor, during the actual pull use, directly draw and drag the extension wire can, need not to control driving motor reversal defence line again, but arbitrary length is along with taking along with using, and is more convenient.
The corner limiting blocks on the four groups of fixing mechanisms are screwed and pressed through the fastening nuts to be fully attached and contacted with four corners of a relay protection debugging instrument, so that a stable fixing effect is achieved, the situation that the folding moving frame slides and turns on one side in the advancing process can be avoided, and potential safety hazards of equipment are effectively eliminated; furthermore, the corner limiting blocks on the fixing mechanisms can axially move along the screw rod and swing at any angle, so that stable fixing action can be realized for relay protection debugging instruments of different brands and models only by adjusting four groups of fixing mechanisms to proper position angles, and the universal adjusting mechanism has good compatibility and universality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, 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 view of the overall structure of the present invention;
FIG. 2 is a schematic view of the load-bearing undercarriage of the present invention;
FIG. 3 is a schematic view of the fixing mechanism of the present invention
FIG. 4 is a schematic view of a test line adapter mechanism according to the present invention;
FIG. 5 is a schematic structural diagram of a test line adapter mechanism according to the present invention;
FIG. 6 is a schematic structural diagram of a detection operation state according to the present invention;
FIG. 7 is a schematic structural view of a climbing wheel set of the present invention;
FIG. 8 is a schematic view of an adjustable foot support according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-load-bearing underframe, 2-hinge, 3-roll stand, 4-handle, 5-climbing wheel group, 51-wheel shaft, 52-bearing seat, 53-lantern ring, 54-connecting rod, 55-roller, 6-adjustable foot support, 61-internal thread sleeve, 62-external thread bolt column, 63-swinging block, 64-bottom plate, 7-test line switching mechanism, 71-rotating shaft, 72-bearing seat, 73-bunch baffle, 74-one-way bearing, 75-passive bevel gear, 76-driving motor, 77-reducer, 78-driving bevel gear, 79-extension lead, 710-alligator clip, 711-fixed bunch block, 712-control box, 713-travel switch, 714-anti-wear cushion cover, 8-relay protection tester, 8-fixing mechanism, 81-screw rod, 82-hinged end, 83-limit baffle, 84-sleeve, 85-rotating shaft, 86-corner limit block, 87-fastening nut, 88-compression spring and 9-relay protection debugging instrument.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a carrying relay protection debugging instrument auxiliary device comprises a bearing bottom frame 1, wherein one side of the top of the bearing bottom frame 1 is hinged with a turnover frame 3 through a hinge 2, the top of the turnover frame 3 is provided with a handle 4, one side of the bottom of the bearing bottom frame 1 close to the turnover frame 3 is provided with a climbing wheel group 5, the other side of the bottom of the bearing bottom frame 1 is provided with an adjustable foot support 6, the turnover frame 3 is provided with four test line switching mechanisms 7 which are respectively used as an A phase, a B phase, a C phase and a grounding phase in parallel, the bottom of the bearing bottom frame 1 is provided with a test line switching mechanism 7 which is used as external grounding of a relay protection debugging instrument 9, and the bearing bottom frame 1 is provided with four groups of fixing mechanisms 8 which respectively correspond to four corners of the relay protection debugging instrument 9;
the climbing wheel group 5 comprises a wheel shaft 51, two sides of the wheel shaft 51 are installed at the bottom of the bearing bottom frame 1 through bearing seats 52, lantern rings 53 are fixedly sleeved at two ends of the wheel shaft 51, a plurality of connecting rods 54 are arranged on the outer wall of each lantern ring 53, rollers 55 are installed at the tail ends of the connecting rods 54, the number of the connecting rods 54 and the number of the rollers 55 are three, the three groups of connecting rods 54 and the rollers 55 are distributed in a circumferential array mode by taking the axis of the wheel shaft 51 as the center, each adjustable foot brace 6 comprises an internal thread sleeve 61 fixedly arranged at the bottom of the bearing bottom frame 1, an internal cavity of the internal thread sleeve 61 is in threaded connection with an external thread bolt column 62, a swinging block 63 is connected to the bottom end of the external thread bolt column 62, a bottom plate 64 is connected to the bottom of the swinging block 63, and an anti-skid rubber pad is arranged at the bottom of the bottom plate 64 to play a role of anti-skid;
the test line switching mechanism 7 comprises a rotating shaft 71, two ends of the rotating shaft 71 are rotatably mounted on the roll-over stand 3 through bearing seats 72 respectively, two bunch baffles 73 which are distributed at intervals are arranged on the left side of the rotating shaft 71, a driven bevel gear 75 is mounted on the right side of the rotating shaft 71 through a one-way bearing 74, a driving motor 76 and a speed reducer 77 are fixedly mounted below the rotating shaft 71, an output end of the speed reducer 77 is sleeved with a driving bevel gear 78, and the driving bevel gear 78 is in meshing transmission with the driven bevel gear 75; an extension lead 79 is wound on the outer wall of the rotating shaft 71 and positioned between the two bunch baffles 73, one end of the extension lead 79, which is connected with the relay protection tester 8, is led out from the end part of the rotating shaft 71, and an alligator clip 710 is arranged at one end of the extension lead 79, which is connected with external detected equipment; a fixed bunching block 711 is arranged above the rotating shaft 71, a wire hole smaller than the crocodile clip 710 is formed in the fixed bunching block 711, and the extension lead 79 passes through the wire hole; a control box 712 for controlling each driving motor 76 is arranged on the side surface of the roll-over stand 3, a travel switch 713 which can be touched and pressed by the crocodile clip 710 is installed at the top of the fixed wire harness block 711, and when the driving motor 76 is started to drive the extension wire 79 to be recovered to the crocodile clip 710, the crocodile clip 710 touches the travel switch 713 to send an in-place signal to a controller of the motor, so that the driving motor 76 is automatically controlled to stop; an anti-abrasion cushion cover 714 is embedded in a wire hole of the fixed wire harness block 711, the anti-abrasion cushion cover 714 can be made of hard silicon rubber or plastic, and the inner end edge is processed in a round angle mode, so that abrasion caused when the extension wire 79 passes through is reduced;
the bearing underframe 1 comprises a rectangular outer frame 11, a mounting plate 13 is arranged at the center of the rectangular outer frame 11, the mounting plate 13 is connected with the rectangular outer frame 11 through a plurality of connecting rods 12, and a hinged end 82 of the fixing mechanism 8 is connected below the mounting plate 13 through a pin shaft;
Working principle embodiment:
as shown in fig. 2-3, when in use, the folding movable frame is horizontally placed on the bottom surface, the adjustable foot supports 6 are provided with a pair of symmetrically distributed at two sides, and can be stably placed by matching with the climbing wheel set 5, when the device is translated, the device automatically rotates by two groups of rollers 55 contacted with the bottom surface, and can turn over by taking the wheel shaft 51 as the center when needing to cross an obstacle, so that the obstacle can be crossed, and the device can easily pass through terrains such as higher threshold levels, steps and the like;
in addition, the adjustable foot brace 6 comprises an external thread bolt column 62 with the height capable of being adjusted up and down, and a swing block 63 and a bottom plate 64 which are hinged to the bottom of the external thread bolt column 62, when the device is parked on a slope road surface, the horizontal height difference of two ends can be compensated by extending or shortening the external thread bolt column 62 and keeping the bottom plate 64 attached to the bottom surface, so that the bearing bottom frame 1 and the relay protection debugging instrument 9 placed on the bearing bottom frame 1 are ensured to be in a horizontal state, and the operation is convenient;
as shown in figures 4-6, when in use, the roll-over stand 3 rotates around the hinge 2 for a certain angle until the frame edge of the roll-over stand 3 contacts with the frame edge of the bearing bottom frame 1 in place, then, as shown in fig. 4, the extension wires 79 of the four test line switching mechanisms 7, which are phase a, phase B, phase C and grounding phase, are respectively pulled out to a suitable length, and are connected and conducted with the corresponding terminals of the secondary side junction box by using the alligator clips 710 at the ends thereof, the alligator clips 710 of the test line switching mechanism 7, which is externally grounded as the relay protection tester 8, are grounded, the debugging work of the equipment can be started, after the debugging work is finished, the crocodile clip 710 is taken down, the drive motors 76 are respectively started to withdraw the extension leads 79, when the driving motor 76 is started to drive the extension lead 79 to be recovered to the alligator clip 710, the alligator clip 710 touches the travel switch 713 to send an in-position signal to a controller of the motor, so that the driving motor 76 is automatically controlled to stop;
referring to fig. 7-8, when in use, the roll-over stand 3 is swung for a certain angle around the hinge 2 until the frame edge of the roll-over stand 3 is in contact with the frame edge of the bearing underframe 1, then the fastening nuts 87 of the four fixing mechanisms 8 are loosened according to the approximate bottom surface size of the relay protection debugging instrument 9 to be placed, the other four corner limit blocks 86 are opened to be slightly larger than the distance from the bottom edge of the relay protection debugging instrument 9 under the elastic force of the compression spring 88 and are swung to the corresponding azimuth angles, then the relay protection debugging instrument 9 is placed on the four corner limit blocks 86, the three wall plates of the corner limit blocks 86 are respectively and correspondingly attached to the adjacent two side surfaces and the bottom surface of the bottom angle of the relay protection debugging instrument 9, the four fastening nuts 87 are respectively screwed, the corner limit blocks 86 on the four fixing mechanisms 8 are fully attached and contacted with the four corners of the relay protection debugging instrument 9 through the fastening nuts 87, so as to play a stable fixing role, thereby the condition that the folding movable frame slides and turns on one's side in the advancing process can be avoided, and the potential safety hazard of equipment can be effectively eliminated.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a transport relay protection debugging appearance auxiliary device which characterized in that: the device comprises a bearing chassis (1), wherein a roll-over stand (3) is hinged to one side of the top of the bearing chassis (1) through a hinge (2), a handle (4) is arranged at the top of the roll-over stand (3), a climbing wheel set (5) is arranged at one side of the bottom of the bearing chassis (1) close to the roll-over stand (3), an adjustable foot support (6) is arranged at the other side of the bottom of the bearing chassis (1), four test line switching mechanisms (7) which are respectively used as an A phase, a B phase, a C phase and a grounding phase are arranged on the roll-over stand (3) side by side, a test line switching mechanism (7) which is used as an external grounding of a relay protection debugging instrument (9) is arranged at the bottom of the bearing chassis (1), and four groups of fixing mechanisms (8) which respectively correspond to four corners of the relay protection debugging instrument (9) are arranged on the bearing chassis (1); the test wire transfer mechanism (7) comprises a rotating shaft (71), two ends of the rotating shaft (71) are rotatably mounted on the roll-over stand (3) through bearing seats (72) respectively, two bunch baffles (73) distributed at intervals are arranged on the left side of the rotating shaft (71), a driven bevel gear (75) is mounted on the right side of the rotating shaft (71) through a one-way bearing (74), a driving motor (76) and a speed reducer (77) are fixedly mounted below the rotating shaft (71), an output end of the speed reducer (77) is sleeved with a driving bevel gear (78), and the driving bevel gear (78) is in meshing transmission with the driven bevel gear (75); pivot (71) outer wall is located two the winding is provided with extension wire (79) between bunch baffle (73), extension wire (79) and relay protection debugging appearance (9) are connected one end by the tip of pivot (71) is drawn forth, extension wire (79) are connected one end with the outside detected equipment and are provided with alligator clip (710), the top of pivot (71) is provided with fixed bunch piece (711), set up the line hole that is less than alligator clip (710) on fixed bunch piece (711), extension wire (79) pass wherein, the side of roll-over stand (3) is provided with and is used for controlling each control box (712) of driving motor (76), fixed bunch piece (711) top is installed can by travel switch (713) that alligator clip (710) touched and pressed.
2. The carrying relay protection debugging instrument auxiliary device of claim 1, characterized in that: climbing wheelset (5) are including shaft (51), shaft (51) both sides pass through bearing frame (52) install in the bottom of bearing chassis (1), the fixed cover in both ends of shaft (51) is equipped with lantern ring (53), the outer wall of lantern ring (53) is provided with a plurality of connecting rods (54), gyro wheel (55) are installed to the end of connecting rod (54), adjustable heel brace (6) including fixed set up in the internal thread sleeve (61) of bearing chassis (1) bottom, the inner chamber spiro union of internal thread sleeve (61) has external screw thread bolt post (62), the bottom handing-over of external screw thread bolt post (62) has pendulum commentaries on classics piece (63), the bottom of pendulum commentaries on classics piece (63) is connected with bottom plate (64).
3. The carrying relay protection debugging instrument auxiliary device of claim 2, characterized in that: the number of the connecting rods (54) and the rollers (55) is three, the three groups of the connecting rods (54) and the rollers (55) are distributed in a circumferential array shape by taking the axis of the wheel shaft (51) as the center, and the bottom of the bottom plate (64) is provided with an anti-skidding rubber pad.
4. The carrying relay protection debugging instrument auxiliary device of claim 1, characterized in that: fixed establishment (8) include screw rod (81), the medial extremity of screw rod (81) be provided with be used for with bearing chassis (1) articulated end (82), the outside end of screw rod (81) is provided with spacing separation blade (83), sleeve (84) have been cup jointed movably in screw rod (81) outer wall middle part, the top of sleeve (84) is rotated through pivot (85) and is connected with corner stopper (86), screw rod (81) outer wall just is located sleeve (84) outside spiro union has fastening nut (87), screw rod (81) outer wall just is located sleeve (84) inboard cover is equipped with compression spring (88).
5. The carrying relay protection debugging instrument auxiliary device of claim 4, characterized in that: corner stopper (86) are the block that has trilateral mutually perpendicular wallboard, trilateral the wallboard corresponds the laminating respectively adjacent both sides face and the bottom surface of relay protection debugging appearance (9) base angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110246090.2A CN112977560B (en) | 2021-03-05 | 2021-03-05 | Auxiliary device for carrying relay protection debugging instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110246090.2A CN112977560B (en) | 2021-03-05 | 2021-03-05 | Auxiliary device for carrying relay protection debugging instrument |
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| CN112977560A CN112977560A (en) | 2021-06-18 |
| CN112977560B true CN112977560B (en) | 2022-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE8716957U1 (en) * | 1987-12-24 | 1988-02-11 | Rudolf Wanzl Kg, 8874 Leipheim | Stackable trolley |
| CN205387139U (en) * | 2016-03-15 | 2016-07-20 | 国家电网公司 | Novel many functional safety multiplexer utensil load wagon |
| CN210912468U (en) * | 2019-10-14 | 2020-07-03 | 四川大安建筑工程有限责任公司 | Novel handcart is transported to building site material |
| CN212189143U (en) * | 2020-04-17 | 2020-12-22 | 成都力新中投科技有限公司 | Protection structure for temperature and humidity test box |
| CN212401250U (en) * | 2020-06-17 | 2021-01-26 | 盐城市经纬测绘科技有限公司 | Case is deposited to portable mapping tool who is applicable to open-air topography |
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