CN115610486A - Breaker transfer trolley with adjustable 2 degrees of freedom - Google Patents
Breaker transfer trolley with adjustable 2 degrees of freedom Download PDFInfo
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- CN115610486A CN115610486A CN202211227997.5A CN202211227997A CN115610486A CN 115610486 A CN115610486 A CN 115610486A CN 202211227997 A CN202211227997 A CN 202211227997A CN 115610486 A CN115610486 A CN 115610486A
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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
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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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
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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
- B62B2202/00—Indexing codes relating to type or characteristics of transported articles
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Abstract
The invention discloses a breaker transfer trolley with adjustable 2-degree-of-freedom, which comprises a main body frame, wherein the main body frame comprises a rear support seat, a left support arm and a right support arm; the bottom of the rear support is provided with a plurality of heavy universal wheels; the bottoms of the left supporting arm and the right supporting arm are respectively provided with a fixed wheel; two pairs of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support left and right; the left supporting arm and the right supporting arm are respectively provided with a vertical lifting mechanism and a hand-operated driving mechanism; when the manual hand-operated driving mechanism moves, the horizontal distance adjusting mechanism is driven to move, the guide rail supporting table is indirectly and synchronously driven to move up and down, and the adjustment of the up-and-down distance is realized; the adjustable-interval synchronous lifting cabinet has the advantages of adjustable interval, synchronous lifting up and down, good structural bearing property, strong anti-tilting capability, simple operation and convenient goods loading and unloading, solves the problems of easy dumping of a circuit breaker, difficult cabinet conveying, more cabinet conveying personnel and more cabinet conveying tools, realizes safe transfer and easy cabinet conveying, and meets the application requirements of different widths of ZN85 and the heights of cabinet guide rails.
Description
Technical Field
The invention relates to the field of electrical equipment machinery, in particular to a breaker transfer trolley with adjustable 2-degree-of-freedom.
Background
In a three-phase alternating current 50Hz,40.5kV single-bus segmented power system, KYN61-40.5 armored movable metal enclosed switchgear is widely applied to power plants, power substations, industrial and mining enterprises and power distribution of high-rise buildings, and occupies a main position in 40.5kV air insulation equipment in the domestic power market, the most matched three-phase alternating current movable metal enclosed switchgear is provided with two breakers, one is a domestic type ZN85-40.5 breaker, the other is an ABB VD4 series breaker, and the domestic breaker is developed slightly later than abroad, so that the matched three-phase alternating current movable metal enclosed switchgear has more problems in technology, transportation, cabinet loading and the like, particularly, the weight of the breaker reaches more than 400 KG and reaches up to 1.2 meters, and the problem that the transfer and cabinet delivery of the breaker are realized by using a common transfer trolley as a small-sized breaker or the breaker is not realized by separating the breaker from a cabinet body due to overhaul, the mode that domestic often adopts is the guide rail wheel above directly utilizing the circuit breaker chassis car, directly push away the cabinet with the circuit breaker body before, utilize an auxiliary fixtures who takes the slope to send it into the cupboard, though this kind of mode is simple but because of the circuit breaker focus is too high, heavy scheduling problem leads to the casualties condition to take place occasionally, seriously threaten producer or maintainer's personal safety, foreign ABB or other producers have all designed dedicated transportation dolly for this kind of circuit breaker specially, reduce the focus, adopt the plane to the rail mode solution to empty the problem, possess a transportation dolly simultaneously and can transport multiple specification circuit breaker function, at present, domestic research one kind has been being explored the realization and has been prevented empting, the multi-purpose ZN85 transportation dolly technique of whole car.
When the problems are avoided in China, generally, imported transfer trolleys are generally equipped in transformer substation applications equipped with VD series circuit breakers, the trolleys can only be compatible with foreign products and do not support the transfer work of ZN85 domestic circuit breakers, the price is high, the structure is auxiliary, parts are imported, technical barriers exist in maintenance, foreign experts are required to maintain, and high use cost frequently dissuades most of domestic owners.
Disclosure of Invention
The invention aims to provide a transfer trolley for safely transferring ZN85 circuit breakers of different widths in domestic manufacturers until the circuit breakers are transferred into a KYN61 cabinet, which has the advantages of adjustable left and right guide rail distance, up and down synchronous lifting function, good structural bearing property, strong anti-tilting capability, simple operation and convenient goods loading and unloading, solves the problems of easy dumping, difficult cabinet conveying, more cabinet conveying personnel and more cabinet conveying tools of the circuit breakers with heavy weight and high gravity, realizes safe transfer and easy cabinet conveying, and meets the application requirements of ZN85 circuit breakers of different widths and cabinet guide rail heights.
The invention is realized by the following technical scheme:
the utility model provides a dolly is transported to circuit breaker with adjustable 2 degrees of freedom for the cabinet is transported, easily sent to homemade ZN85 circuit breaker safety, and it contains dolly main body frame, 8 very little heavy universal wheels, tight pulley, horizontal distance adjustment mechanism, perpendicular lifting mechanism, hand actuating mechanism.
The main body frame of the trolley consists of a left handrail upright post, a right handrail upright post, a rear support, a left support arm and a right support arm. The left and right handrail upright posts are arranged on a rear support of the transfer trolley, 8-inch heavy universal wheels and fixed wheels are respectively arranged below the rear support of the transfer trolley and on the left and right supporting arms for supporting, moving and guiding functions, two pairs of horizontal adjusting self-locking screw rods and guiding shafts (static ends) of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support in a left-right mode, horizontal screw rod nuts and flange shaft sleeves are arranged on the left and right supporting arms (dynamic ends), and when the horizontal adjusting self-locking screw rods are manually operated, the distance between the left and right supporting arms can be changed; two pairs of vertical lifting mechanisms are respectively arranged on vertical positions on a left support arm and a right support arm, an upper and lower adjusting self-locking screw rod in the vertical lifting mechanism, a vertical guide shaft and a base are fixedly arranged (fixed ends), a vertical screw rod nut is arranged on the side surface of a guide rail support table (movable end), two pairs of hand-operated driving mechanisms are arranged on the horizontal position on the left support arm and the right support arm and adopt a gear structure to be matched with the vertical lifting mechanisms to transmit torque, when the hand-operated driving mechanisms are operated manually, the upper and lower adjusting self-locking screw rod in the left support arm and the right support arm are driven to move, the guide rail support table is indirectly driven to move up and down synchronously, and the adjustment of the upper and lower distances is realized. In summary, the left and right support arms of the horizontal distance adjusting mechanism for controlling the motion of the horizontal degree of freedom are the track gauges of the guide rails, and the vertical lifting mechanism for controlling the height of the motion of the vertical degree of freedom.
Preferably, in order to ensure that the support: the circuit breaker is in the space of loading and unloading directions, two hand-held upright posts are symmetrically arranged on a rear support of the transfer trolley in the left-right direction, a pedal position is formed between the upright posts, no obstacle is arranged on a pedal, and the hand-held upright posts are used for people to stand on the pedal to operate, load and unload the ZN85 circuit breaker when entering the inside.
Preferably, in order to realize bearing capacity and transport function and reduce the focus simultaneously, transport the rear portion of dolly, pass through the mode of fix with screw 3 8 cun heavy universal wheels and be firm triangle-shaped overall arrangement and install below the running-board of transport dolly rear support. 2 fixed wheels are respectively arranged on the square pipes of the left and right supporting arms at the front part of the transfer trolley. The wheel track between the rear part of the transfer trolley and the front part of the transfer trolley is far larger than the wheel track of the circuit breaker chassis, so that the gravity center of the transfer trolley is reduced, and the anti-tilting capability is improved.
Preferably, in order to realize manual adjustment of the horizontal distance and horizontal guiding, two horizontal adjustment self-locking screw rod pairs and two guide shaft pairs are respectively installed in the space with the distance of 400 mm. The horizontal adjustment self-locking screw rod pair comprises a horizontal adjustment self-locking screw rod and a screw rod support, the screw rod support is installed on the side face of the reinforcing rib plate, a screw rod nut is assembled on the horizontal adjustment self-locking screw rod, then the screw rod nut penetrates through flange holes in the left support arm and the right support arm, the two ends of the horizontal adjustment self-locking screw rod are installed in the screw rod support bearing seats, the screw rod nut can rotate flexibly, a hand wheel is fixedly installed at the extending end of the horizontal adjustment self-locking screw rod, finally the horizontal screw rod nut is fixed on the left support arm and the right support arm, and after the hand wheel is manually rotated, the horizontal adjustment self-locking screw rod can rotate forwards and backwards and can drive the screw rod nut to move horizontally. Two pairs of guide shaft pairs are arranged above the horizontal adjustment self-locking screw rod pair and consist of guide shafts, flange shaft sleeves and optical axis supports, the flange shaft sleeves are fixed on the left support arm and the right support arm, and the guide shafts can smoothly slide after penetrating through the flange shaft sleeves and being fixed at two ends on the optical axis supports.
Preferably, in order to realize vertical lifting motion synchronously up and down, two pairs of up-and-down adjusting self-locking screw rod pairs and vertical guide pairs are vertically and symmetrically arranged in the middle vertical beam area of the left supporting arm and the right supporting arm, each up-and-down adjusting self-locking screw rod pair consists of an up-and-down adjusting self-locking screw rod, a vertical screw rod support and a vertical screw rod nut, wherein after the vertical screw rod nut is arranged on each up-and-down adjusting self-locking screw rod, two ends of each vertical screw rod support are fixed on the vertical screw rod support, and the vertical screw rod support is fixed on the inner surface of C-shaped steel of the middle vertical beam to play a supporting role. The vertical guide pair consists of a vertical guide shaft and a shaft base, and is arranged on two sides of the vertical adjustment self-locking screw rod pair, and the shaft base is fixed on the inner surface of the C-shaped steel of the middle vertical beam to play a supporting role. The vertical lead screw nut is fixed on the sliding table, and the sliding table is a machined part. Five bosses in the shape of a base are milled on one end face of the guide rod, a vertical guide shaft hole and a vertical feed screw nut flange hole are formed in each boss, and 4 threaded holes are uniformly formed in the periphery of the vertical feed screw nut flange shaft; the other end surface is provided with 5M 12 threaded holes for fixing the guide rail supporting platform. The guide rail support platform is a welding part formed by welding a trapezoidal steel plate, a bottom plate and an embedded guide rail. During the installation, adjust same height with perpendicular screw-nut, when two adjust the auto-lock lead screw synchronous rotations from top to bottom, drive the synchronous lifting of guide rail supporting bench, when being used for lifting ZN85 circuit breaker so that the different cubical switchboard guide rail height of adaptation, can transfer to suitable height, let the last guide rail face of transporting the dolly and the cubical switchboard on get the guide rail face be in same horizontal plane, make things convenient for the circuit breaker to send into in the cubical switchboard.
Preferably, for manual operability and lifting synchronism of the guide rail supporting table, a certain transformation ratio gear structure is adopted to reduce the large torque generated by the vertical adjustment self-locking screw rod pair due to bearing a heavy object until the torque range of manual shaking is reached, a more preferable scheme is that a bevel gear is fixed at the upper end of the vertical adjustment self-locking screw rod pair in a key slot fixing mode and transmits the torque to a hand-operated driving mechanism with the bevel gear, the hand-operated driving mechanism is installed on a cross beam of a left supporting arm and a right supporting arm, the bevel gear at one end is matched and installed with the bevel gear on the vertical adjustment self-locking screw rod, the other end is matched with a hand-operated bevel gear with a hexagonal shaft hole, and two shaft ends of the hand-operated bevel gear are limited by an installation plate after being installed in a clearance fit with a round hole on the cross beam through the installation plate and can not move left and right but can rotate smoothly. The synchronous scheme considers that an operating shaft penetrates through the hexagonal holes of the hand-operated bevel gears on the left supporting arm and the right supporting arm, when the operating shaft is shaken through a specially-made single hand-operated handle, the hand-operated bevel gears are driven to synchronously move, and finally the guide rail supporting table is synchronously lifted.
The invention has the beneficial effects that:
the invention controls the distance between the breaker wheel guide rails on the left and right supporting arms by adjusting the horizontal distance adjusting mechanism through the hand-operated driving mechanism, thereby realizing the manual adjustment of the adaptation width of the carrying breaker. The vertical lifting mechanism with the hand-operated handle can realize the vertical lifting of the lifting mechanism by vertically shaking the hand-operated handle, and seamless rail alignment is carried out on a transfer trolley guide rail and a switch cabinet guide rail, so that the height adjustment of the rail combination of the circuit breaker switch cabinet is realized; all parts are matched together to realize the installation or maintenance work that ZN85 heavy-duty circuit breakers of different manufacturers are pushed into a switch cabinet from loading, transferring and combining; the invention provides a transfer trolley for safely transferring ZN85 circuit breakers with different widths in domestic manufacturers until the circuit breakers are transferred into a KYN61 cabinet, which has the advantages of adjustable space between a left guide rail and a right guide rail, up-and-down synchronous lifting function, good structural bearing property, strong anti-tilting capability, simplicity in operation and convenience in loading and unloading, solves the problems of easiness in dumping, difficulty in conveying the cabinet, more personnel for conveying the cabinet and more tools for conveying the cabinet of heavy circuit breakers with high gravity center, realizes safe transfer and easy conveying of the cabinet, and meets the application requirements of different widths of ZN85 and different heights of cabinet guide rails.
Drawings
FIG. 1 is an isometric view of an embodiment of a transfer cart for use with a 1.2 meter wide switchgear cabinet rail height of 75mm, circuit breaker model ZN85 and chassis wheelbase of 882 mm;
fig. 2 is a side view of a trolley body frame shaft of a 2 degree of freedom adjustable circuit breaker transfer trolley according to the present invention;
fig. 3 is a front view of a horizontal distance adjustment mechanism of a 2-degree-of-freedom adjustable circuit breaker transfer trolley according to the present invention;
fig. 4 is a side view of an embodiment of a horizontal distance adjustment mechanism adjusting gauge of a 2-degree-of-freedom adjustable circuit breaker transfer trolley according to the present invention;
fig. 5 is a side view of a 2 degree of freedom adjustable circuit breaker transfer cart vertical lift mechanism shaft according to the present invention;
fig. 6 is a side view of the shaft of the hand drive mechanism of a 2 degree of freedom adjustable circuit breaker transfer trolley according to the present invention.
In the drawings: 1-transferring a trolley; 2-a body frame; 3-heavy universal wheel; 4-a fixed wheel; 5-a horizontal distance adjusting mechanism; 6-vertical lifting mechanism; 7-hand driving mechanism; 2.1-left handrail column; 2.2-right armrest column; 2.3-rear support; 2.4-left support arm; 2.5-right support arm; 2.3.1-foot pedal; 2.3.2-vertical plate; 2.3.3-guide shaft support; 2.3.4-reinforcing plate; 2.4.1-middle vertical beam; 2.4.2-vertical beam; 2.4.3-beam; 2.4.4-Square tubes; 2.4.5-reinforcing square tubes; 5.1-horizontal adjustment self-locking screw rod pair; 5.2-guide shaft pair; 5.3-screw nut; 5.4-handwheel; 5.1.1-horizontally adjusting the self-locking screw rod; 5.1.2-screw rod support; 5.2.1-guide shaft; 5.2.2-flange shaft sleeve; 5.2.3-optical axis support; 6.1-adjusting the self-locking screw rod pair up and down; 6.2-vertical guide pair; 6.1.1-adjusting the self-locking screw rod up and down; 6.1.2-vertical screw rod support; 6.1.3-vertical feed screw nut; 6.2.1-vertical guide shaft; 6.2.2-axle base; 6.3-sliding table; 6.5-guide supporting table; 6.5.1-trapezoidal steel plate; 6.5.2-bottom plate; 6.5.3-embedding the guide rail; 7.1-bevel gear A; 7.2-bevel gear B; 7.3-bevel gear C; 7.4-hand bevel gear; 7.5-mounting plate; 7.6-hand handle.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, which are illustrative of the invention and are not to be construed as limiting the invention.
It is to be understood that, unless otherwise expressly stated or limited, the term "coupled" is used broadly, and thus, for example, may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a circuit breaker transfer trolley with adjustable 2 degrees of freedom, includes the main part frame, wherein: the main body frame comprises a rear support seat, a left support arm and a right support arm; the bottom of the rear support is provided with a plurality of heavy universal wheels; the bottoms of the left supporting arm and the right supporting arm are respectively provided with a fixed wheel; two pairs of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support left and right; the horizontal distance adjusting mechanism is used for adjusting the distance between the left supporting arm and the right supporting arm; the vertical position of the left supporting arm and the vertical position of the right supporting arm are respectively provided with a vertical lifting mechanism; the vertical lifting mechanism comprises a guide rail supporting table; the horizontal position of the left supporting arm and the horizontal position of the right supporting arm are respectively provided with a hand-operated driving mechanism; hand actuating mechanism pass through drive assembly with perpendicular lifting mechanism cooperation transmission moment of torsion, when manual operation during hand actuating mechanism motion, drive horizontal distance adjustment mechanism motion, indirect synchronous drive the guide rail brace table reciprocates, realizes the distance adjustment from top to bottom.
Specifically, the main body frame further comprises a left armrest upright post and a right armrest upright post; the left handrail upright post and the right handrail upright post are respectively arranged on the rear support; left side handrail stand and right handrail stand are a panel beating piece of bending, and it has the handle fixed orifices and transports to open on it the fixed hole of usefulness of back support.
Specifically, the rear support is a Z-shaped base which is formed by mutually and vertically welding a pedal plate, a vertical plate and a guide shaft support mounting plate; four reinforcing rib plates for fixing two pairs of horizontal distance adjusting mechanisms are welded in the included angle range of the vertical plate and the guide shaft; and the reinforcing rib plates are combined into an area for mounting two horizontal distance adjusting mechanisms in pairs.
Specifically, the left support arm and the right support arm are both mainly formed by welding a middle vertical beam, a cross beam, a square tube and a reinforcing square tube; the middle vertical beam is a C-shaped steel piece, and a space for accommodating the vertical lifting mechanism to move is arranged on the inner surface of the C-shaped steel piece.
Specifically, the guide rail support platform comprises a left guide rail support platform and a right guide rail support platform; the left guide rail supporting platform and the right guide rail supporting platform are both composed of a sliding platform and a guide rail tray; one end face of the sliding table is milled with five bosses in the shape of a base, and the bosses are provided with guide shaft holes and vertical screw nut flange holes; the guide rail tray is mainly formed by welding a trapezoidal steel plate, a bottom plate and an embedded guide rail.
Specifically, the horizontal distance adjusting mechanism comprises a horizontal adjusting self-locking screw rod pair and a guide shaft pair; the horizontal adjustment self-locking screw rod pair comprises a horizontal adjustment self-locking screw rod, a screw rod support and a screw rod nut; the screw rod support is installed on the side face of the reinforcing rib plate, the horizontal adjusting self-locking screw rod penetrates through flange holes in the left support arm and the right support arm after the screw rod nut is assembled, and then two ends of the horizontal adjusting self-locking screw rod are installed in the bearing seats of the screw rod support and can rotate flexibly; a hand wheel is fixedly arranged at the extending end of the horizontal adjusting self-locking screw rod; the lead screw nuts are fixed on the left supporting arm and the right supporting arm, and after the hand wheel is manually rotated, the horizontal adjusting self-locking lead screw can rotate forwards and backwards and can drive the lead screw nuts to move horizontally.
Specifically, the guide shaft pair is arranged above the horizontal adjustment self-locking screw rod pair and mainly comprises a guide shaft, a flange shaft sleeve and an optical axis support; the flange shaft sleeve is fixed on the left supporting arm and the right supporting arm; the guide shaft penetrates through the flange shaft sleeve, and the two ends of the guide shaft are fixed on the optical axis support and can slide smoothly.
Specifically, the vertical lifting mechanism further comprises an up-and-down adjusting self-locking screw rod pair and a vertical guide pair; the up-down adjusting self-locking screw rod pair mainly comprises an up-down adjusting self-locking screw rod, a vertical screw rod support and a vertical screw rod nut; the vertical screw rod nut is installed on the vertical adjusting self-locking screw rod, and then two ends of the vertical screw rod nut are fixed on the vertical screw rod support; the vertical screw rod support is fixed on the inner surface of the C-shaped steel of the middle vertical beam to play a role in supporting.
Specifically, the vertical guide pair is arranged on two sides of the vertical adjustment self-locking screw rod pair; the vertical guide pair mainly comprises a vertical guide shaft and a shaft base group; the shaft base is fixed on the inner surface of the middle vertical beam section steel for supporting; the vertical feed screw nut is fixed on the sliding table.
Specifically, hand actuating mechanism mainly comprises a pair of initiative awl tooth and a pair of driven awl tooth, hand awl tooth in the driven awl tooth, the hexagonal hole is drawn empty to the axle center.
The embodiment is as follows:
as shown in fig. 1, the two-side view of the axle of the embodiment of the transfer trolley 1 applied to the 1.2-meter wide switch cabinet with the rail height of 75mm, the breaker of ZN85 type and the wheel base of the chassis of 882mm is assembled by a trolley main frame 2, 8-inch heavy universal wheels 3, a fixed wheel 4, a horizontal distance adjusting mechanism 5, a vertical lifting mechanism 6 and a hand-operated driving mechanism 7, and the operation process is simply described as follows: the rail gauge is adjusted to 882mm and the rail height is adjusted to 75mm by manually operating the horizontal distance adjusting mechanism 5 and the vertical lifting mechanism 6.
As shown in fig. 2, the two side views of the trolley main body frame 2 of the 2-degree-of-freedom adjustable circuit breaker transfer trolley according to the invention are shown, and the trolley main body frame shown in fig. 2 is composed of a left handrail upright post 2.1, a right handrail upright post 2.2, a rear support 2.3, a left support arm 2.4 and a right support arm 2.5. The left handrail upright post and the right handrail upright post are arranged on a rear support of the transfer trolley; the rear support is formed by welding a pedal 2.3.1, a vertical plate 2.3.2, a guide shaft support 2.3.3 and reinforcing rib plates 2.3.4, and the reinforcing rib plates are combined into a space with a distance of 400mm in pairs, which is an area for installing two pairs of horizontal distance adjusting mechanisms 5; the left supporting arm 2.4 and the right supporting arm 2.5 are formed by welding a middle vertical beam 2.4.1, a vertical beam 2.4.2, a cross beam 2.4.3, a square tube 2.4.4 and a reinforcing square tube 2.4.5.
Fig. 3 is a front view of a horizontal distance adjusting mechanism 5 of a 2-degree-of-freedom adjustable circuit breaker transfer trolley according to the present invention, as shown in fig. 3: two pairs of horizontal adjusting self-locking screw rod pairs 5.1 and guide shaft pairs 5.2 are respectively arranged in the space with the distance of 500 mm. A horizontal adjustment self-locking screw rod pair 5.1 consists of a horizontal adjustment self-locking screw rod 5.1.1 and a screw rod support 5.1.2, the screw rod support 5.1.2 is installed on the side face of a reinforcing rib plate, a screw rod nut 5.3 is assembled on the horizontal adjustment self-locking screw rod 5.1.1, then the screw rod nut passes through a flange hole on a left support arm 2.4 and a right support arm 2.5, then two ends of the screw rod nut are installed in a bearing seat of the screw rod support 5.1.2 and can rotate flexibly, a hand wheel 5.4 is fixedly installed at the extending end of the horizontal adjustment self-locking screw rod, finally, the horizontal screw rod nut 5.3 is fixed on the left support arm 2.4 and the right support arm 2.5, and after the hand wheel 5.4 is rotated manually, the horizontal adjustment self-locking screw rod 5.1.1 can rotate forwards and backwards and can drive the screw rod nut 5.3 to perform horizontal movement. Two pairs of guide shaft pairs 5.2 are arranged above the horizontal adjustment self-locking screw rod pair 5.1 and consist of guide shafts 5.2.1, flange shaft sleeves 5.2.2 and optical axis supports 5.2.3, the flange shaft sleeves 5.2.2 are fixed on the left support arm 2.4 and the right support arm 2.5, and the guide shafts 5.2.1 penetrate through the flange shaft sleeves 5.2.2 and then are fixed at two ends on the optical axis supports 5.2.3 to slide smoothly.
Fig. 4 shows a two-side view of an example of an embodiment of the horizontal distance adjustment mechanism 5 for a 2-degree-of-freedom adjustable circuit breaker transfer trolley according to the invention for adjusting the track gauge, as shown in fig. 4: in this embodiment, circuit breaker chassis car gauge is 882mm, only need adjust left branch brace 2.4, right branch brace 2.5 to certain interval through rotating hand wheel 5.4 operation horizontal distance adjustment mechanism 5 and let the gauge be equal to 882mm can.
As shown in fig. 5, according to a view from both sides of an axis of a vertical lifting mechanism 6 of a circuit breaker transfer trolley with adjustable 2 degrees of freedom according to the invention, two pairs of vertical adjustment self-locking screw rod pairs 6.1 and vertical guide pairs 6.2 are vertically and symmetrically installed in the inner surface area of a middle vertical beam 2.4.2c profile steel of a left support arm 2.4 and a right support arm 2.5, each vertical adjustment self-locking screw rod pair 6.1 is composed of a vertical adjustment self-locking screw rod 6.1.1, a vertical screw rod support 6.1.2 and a vertical screw rod nut 6.1.3, wherein, after the vertical screw rod nut 6.1.3 is installed on the vertical adjustment self-locking screw rod 6.1.1, both ends are fixed on the vertical screw rod support 6.1.2, and the vertical screw rod support 6.1.2 is fixed on the inner surface of the middle vertical beam 2.4.2c profile steel for supporting. The vertical guide pair 6.2 consists of a vertical guide shaft 6.2.1 and a shaft base 6.2.2, is arranged at two sides of the vertical adjustment self-locking screw rod pair 6.1, and the shaft base 6.2.2 is fixed on the inner surface of the middle vertical beam 2.4.2C profile steel for supporting. The vertical feed screw nut 6.1.3 is fixed on the sliding table 6.3, and the sliding table 6.3 is a machined part. Five bosses in the shape of a base are milled on one end face of the guide rail, a vertical guide shaft 6.2.1 hole and a vertical screw rod nut 6.1.3 flange hole are formed in each boss, and 4 threaded holes are uniformly formed in the periphery of the vertical screw rod nut 6.1.3 flange shaft; the other end surface is provided with 5M 12 threaded holes for fixing the guide rail support table 6.5. The guide rail support table 6.5 is a welded part formed by welding a trapezoidal steel plate 6.5.1, a bottom plate 6.5.2 and an embedded guide rail 6.5.3. When the device is installed, the vertical screw rod nuts 6.1.3 are adjusted to the same height, and when the two self-locking screw rods 6.1.1 which are adjusted up and down synchronously rotate, the guide rail supporting table 6.5 is driven to synchronously lift. When different cubical switchboard guide rail height was 75mm in this embodiment, can the vertical lifting mechanism 6 of manual operation lift guide supporting platform 6.5 to suitable height, let the last guide rail face of transporting the dolly and the last guide rail face that gets of cubical switchboard be in on the same horizontal plane, make things convenient for the circuit breaker to send into in the cubical switchboard.
As shown in fig. 6, according to a view from both sides of the shaft of the hand-operated driving mechanism 7 of the circuit breaker transfer trolley with the adjustable degree of freedom 2 according to the present invention, for manual operability and lifting synchronism of the rail support table 6.5, a certain transformation ratio gear structure is adopted to reduce the large torque generated by the up-down adjustment self-locking screw pair 6.1 due to the load bearing until reaching the torque range of manual shaking, and a more preferable scheme is that a bevel gear a 7.1 is fixed at the upper end of the up-down adjustment self-locking screw pair 6.1 in a keyway fixing manner, and transmits the torque to another hand-operated driving mechanism 7 with a bevel gear, the hand-operated driving mechanism is installed on the beam 2.4.3 of the left support arm 2.4 and the right support arm 2.5, the bevel gear at one end is installed in a matching manner with the bevel gear B7.2 on the up-down adjustment self-locking screw, the bevel gear C7.3 at the other end is matched with a hand-operated bevel gear 7.4 with a hexagonal shaft hole, and two shaft ends of the bevel gear 7.4 are respectively installed in a clearance fit manner with circular holes on the beam 2.4.3 through an installation plate, and then are installed in a hexagonal hand-operated hexagonal gear 7.5 which can not move smoothly but can move left-right and can limit position. In the synchronous scheme, an operation shaft penetrates through hexagonal holes of hand-operated bevel gears 7.4 on the left supporting arm 2.4 and the right supporting arm 2.5, and when the operation shaft is shaken by a special single hand-operated handle 7.6, the hand-operated bevel gears 7.4 are driven to synchronously move, and finally the guide rail supporting table is synchronously lifted. .
The invention controls the distance between the breaker wheel guide rails on the left and right supporting arms by adjusting the horizontal distance adjusting mechanism through the hand-operated driving mechanism, thereby realizing the manual adjustment of the adaptation width of the carrying breaker. The vertical lifting mechanism with the hand-operated handle can realize the vertical lifting of the lifting mechanism by vertically shaking the hand-operated handle, and seamless rail alignment is carried out on a transfer trolley guide rail and a switch cabinet guide rail, so that the height adjustment of the rail combination of the circuit breaker switch cabinet is realized; the installation or maintenance work that ZN85 heavy circuit breakers of different manufacturers are pushed into a switch cabinet from loading, transferring and combining is realized through cooperation; the invention provides a transfer trolley for safely transferring ZN85 circuit breakers of different widths in domestic manufacturers until the circuit breakers are transferred into a KYN61 cabinet, which has the advantages of adjustable left and right guide rail distance, up and down synchronous lifting function, good structural bearing property, strong anti-tilting capability, simple operation and convenient goods loading and unloading, solves the problems of easy dumping, difficult cabinet conveying, more cabinet conveying personnel and more cabinet conveying tools of the heavy circuit breakers with high gravity center, realizes safe transfer and easy cabinet conveying, and meets the application requirements of different widths of ZN85 and cabinet guide rail heights.
The technical solutions provided by the embodiments of the present invention are described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present invention, and the descriptions of the embodiments above are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, the specific implementation manners and the application ranges may be changed, and in conclusion, the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a circuit breaker transport trolley with adjustable 2 degrees of freedom, includes main body frame, its characterized in that: the main body frame comprises a rear support seat, a left support arm and a right support arm; the bottom of the rear support is provided with a plurality of heavy universal wheels; the bottoms of the left supporting arm and the right supporting arm are respectively provided with a fixed wheel; two pairs of horizontal distance adjusting mechanisms are symmetrically and fixedly arranged on the rear support left and right; the horizontal distance adjusting mechanism is used for adjusting the distance between the left supporting arm and the right supporting arm; the vertical position of the left supporting arm and the vertical position of the right supporting arm are respectively provided with a vertical lifting mechanism; the vertical lifting mechanism comprises a guide rail supporting table; a hand-operated driving mechanism is respectively arranged on the horizontal position of the left supporting arm and the horizontal position of the right supporting arm; hand actuating mechanism pass through drive assembly with perpendicular lifting mechanism cooperation transmission moment of torsion, when manual operation during hand actuating mechanism moves, drive horizontal distance adjustment mechanism motion, indirect synchro-driven the guide rail brace table reciprocates, distance adjustment about realizing.
2. The 2 degree-of-freedom adjustable circuit breaker transfer trolley of claim 1, wherein: the main body frame further comprises a left handrail upright post and a right handrail upright post; the left handrail upright post and the right handrail upright post are respectively arranged on the rear support; left side handrail stand and right handrail stand are a panel beating piece of bending, and it has the handle fixed orifices and transports to open on it the fixed hole of usefulness of back support.
3. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 1, characterized in that: the rear support is a Z-shaped base which is formed by mutually and vertically welding a pedal plate, a vertical plate and a guide shaft support mounting plate; four reinforcing rib plates for fixing two pairs of horizontal distance adjusting mechanisms are welded in the included angle range of the vertical plate and the guide shaft; and the reinforcing rib plates are combined into a region for mounting two horizontal distance adjusting mechanisms in pairs.
4. The 2 degree-of-freedom adjustable circuit breaker transfer trolley of claim 1, wherein: the left supporting arm and the right supporting arm are both formed by welding a middle vertical beam, a cross beam, a square tube and a reinforcing square tube; the middle vertical beam is a C-shaped steel piece, and a space for accommodating the vertical lifting mechanism to move is arranged on the inner surface of the C-shaped steel piece.
5. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 4, characterized in that: the guide rail support platform comprises a left guide rail support platform and a right guide rail support platform; the left guide rail supporting platform and the right guide rail supporting platform are both composed of a sliding platform and a guide rail tray; one end face of the sliding table is milled with five bosses in the shape of a base, and the bosses are provided with guide shaft holes and vertical screw nut flange holes; the guide rail tray is mainly formed by welding a trapezoidal steel plate, a bottom plate and an embedded guide rail.
6. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 3, characterized in that: the horizontal distance adjusting mechanism comprises a horizontal adjusting self-locking screw rod pair and a guide shaft pair; the horizontal adjustment self-locking screw rod pair comprises a horizontal adjustment self-locking screw rod, a screw rod support and a screw rod nut; the screw rod support is installed on the side face of the reinforcing rib plate, the horizontal adjusting self-locking screw rod penetrates through flange holes in the left support arm and the right support arm after the screw rod nut is assembled, and then two ends of the horizontal adjusting self-locking screw rod are installed in the bearing seats of the screw rod support and can rotate flexibly; a hand wheel is fixedly arranged at the extending end of the horizontal adjusting self-locking screw rod; the lead screw nuts are fixed on the left supporting arm and the right supporting arm, and after the hand wheel is manually rotated, the horizontal adjusting self-locking lead screw can rotate forward and backward and can drive the lead screw nuts to move horizontally.
7. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 6, characterized in that: the guide shaft pair is arranged above the horizontal adjusting self-locking screw rod pair and mainly comprises a guide shaft, a flange shaft sleeve and an optical axis support; the flange shaft sleeve is fixed on the left supporting arm and the right supporting arm; the guide shaft penetrates through the flange shaft sleeve, and the two ends of the guide shaft are fixed on the optical axis support and can slide smoothly.
8. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 5, characterized in that: the vertical lifting mechanism also comprises an up-and-down adjusting self-locking screw rod pair and a vertical guide pair; the up-down adjusting self-locking screw rod pair mainly comprises an up-down adjusting self-locking screw rod, a vertical screw rod support and a vertical screw rod nut; the vertical screw rod nut is arranged on the vertical adjusting self-locking screw rod, and then the two ends of the vertical screw rod nut are fixed on the vertical screw rod support; the vertical screw rod support is fixed on the inner surface of the C-shaped steel of the middle vertical beam to play a supporting role.
9. The 2 degree-of-freedom adjustable circuit breaker transfer trolley of claim 8, wherein: the vertical guide pair is arranged on two sides of the vertical adjustment self-locking screw rod pair; the vertical guide pair mainly comprises a vertical guide shaft and a shaft base set; the shaft base is fixed on the inner surface of the middle vertical beam section steel for supporting; the vertical feed screw nut is fixed on the sliding table.
10. The 2 degree-of-freedom adjustable circuit breaker transfer trolley according to claim 1, characterized in that: the hand-operated driving mechanism mainly comprises a pair of driving bevel gears and a pair of driven bevel gears, and the axis of the hand-operated bevel gear in the driven bevel gears is hollowed into a hexagonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211227997.5A CN115610486A (en) | 2022-10-09 | 2022-10-09 | Breaker transfer trolley with adjustable 2 degrees of freedom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211227997.5A CN115610486A (en) | 2022-10-09 | 2022-10-09 | Breaker transfer trolley with adjustable 2 degrees of freedom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115610486A true CN115610486A (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211227997.5A Pending CN115610486A (en) | 2022-10-09 | 2022-10-09 | Breaker transfer trolley with adjustable 2 degrees of freedom |
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| Country | Link |
|---|---|
| CN (1) | CN115610486A (en) |
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2022
- 2022-10-09 CN CN202211227997.5A patent/CN115610486A/en active Pending
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