CN218052521U

CN218052521U - Transformer maintenance crane

Info

Publication number: CN218052521U
Application number: CN202221984992.2U
Authority: CN
Inventors: 罗晓锋; 周芳林; 罗天琦
Original assignee: Kunshan Zeheng Electric Co ltd
Current assignee: Kunshan Zeheng Electric Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-12-16
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to a power maintenance equipment field specifically discloses a transformer maintenance crane, which comprises a supporting pedestal and is characterized by further comprising, the gyro wheel spout has been seted up to the inside of supporting the base, the top of gyro wheel spout is provided with elevating system, the transmission shaft is all installed to elevating system's both sides, the gear is installed to the tip of transmission shaft, one side of gear is located the pawl has been cup jointed in the outside of transmission shaft, the last surface mounting who supports the base has spacing support, the upper end of guide way is located rack groove has been seted up to spacing support's inboard. After the gear is wholly lifted to the inner side of the rack groove, the gear and the rack inside the rack groove can be meshed for limitation, the gear and the rack groove are moved under the meshing effect, meanwhile, the pawl is matched with the torsion spring inside the sleeve to achieve the one-way limiting effect when the gear moves, and therefore a user can automatically control the position after being lifted to move, and overhaul is facilitated.

Description

Transformer maintenance crane

Technical Field

The utility model relates to a power maintenance equipment field specifically is a transformer maintenance crane.

Background

The transformer is one of the main equipment of power plant and electric substation, and the effect of transformer is that many-sided not only step-up voltage can send the electric energy to the power consumption area, can also be to the operating voltage at different levels of voltage reduction to satisfy the needs of power consumption, the chinese patent net has disclosed "a transformer maintenance device", and the grant bulletin number is: (CN 214418734U), the application utilizes a servo motor which rotates forward and backward to drive a lead screw to rotate, so that the left sliding block and the right sliding block are driven to move to realize the height adjustment of the supporting platform, and the supporting platform is suitable for the maintenance of transformers installed at different heights.

However, although this application can realize that control plane goes up and down, when needs control different positions and overhaul, then the maintainer need go down ground and control crane monolithic integration removal again for whole operation process is comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

To current problem, the utility model provides a transformer maintenance crane, the device cooperation is used the problem that can propose in the effectual solution background art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a transformer maintenance crane, includes and supports the base, the gyro wheel spout has been seted up to the inside of supporting the base, the top of gyro wheel spout is provided with elevating system, the transmission shaft is all installed to elevating system's both sides, the gear is installed to the tip of transmission shaft, one side of gear is located the pawl has been cup jointed in the outside of transmission shaft, the last surface mounting who supports the base has spacing support, the outside of gear is located support the base reaches the guide way has been seted up to spacing support's inboard, the upper end of guide way is located rack groove has been seted up to spacing support's inboard.

As a further aspect of the present invention: the lifting mechanism comprises: the scissors type support and the bottom base plate are arranged on the bottom surface of the bottom base plate, and a movable roller is arranged inside the roller sliding groove.

As a further aspect of the present invention: the upper portion of the bottom base plate is located inside the scissor type support and provided with a screw rod, and a crank is installed at the outer side end of the screw rod.

As a further aspect of the present invention: the gear passes through the transmission shaft with elevating system rotates and is connected, the pawl pass through sleeve movable mounting in the outside of transmission shaft, telescopic internally mounted has the torsional spring.

As a further aspect of the present invention: the gear and the rack groove are installed in a meshed mode, and the length of the inner diameter size of the guide groove is larger than the outer diameter size of the gear.

As a further aspect of the present invention: the bottom base plate is movably connected with the roller chute through the movable roller, and the scissor type bracket is movably connected with the movable roller.

As the utility model discloses further scheme again: the screw rod is meshed with the lifting mechanism and is rotationally connected with the lifting mechanism, and the crank is movably arranged on the outer side of the lifting mechanism.

As the utility model discloses further scheme again: the limiting bracket is fixedly connected with the supporting base.

Compared with the prior art, the beneficial effects of the utility model are that:

1. after the inboard in rack groove is reached in the whole lifting of gear, then can realize meshing the rack of gear and rack inslot portion spacing, move at the meshing effect in gear and rack groove, the inside torsional spring of pawl cooperation sleeve realizes one-way spacing effect simultaneously when the gear removes, therefore the user also can be by oneself the removal of control position after being lifted, conveniently overhauls.

2. Torsion is applied to the crank handle, so that the screw rod and the lifting mechanism are meshed to rotate to control the scissor type support to rotate, the lifting mechanism is lifted upwards integrally, the lifting mode of the control device is arranged on a standing plane close to a user, and self-control adjustment is facilitated.

Drawings

FIG. 1 is a schematic structural view of a transformer maintenance crane;

FIG. 2 is a half-sectional view of a support base in the transformer maintenance crane;

fig. 3 is an installation schematic diagram of a lifting mechanism in a transformer maintenance crane.

In the figure: 1. a support base; 2. a roller chute; 3. a limiting bracket; 4. a rack slot; 5. a guide groove; 6. a lifting mechanism; 401. a drive shaft; 402. a gear; 403. a pawl; 601. a scissor-type stand; 602. a bottom bolster plate; 603. moving the roller; 604. a crank; 605. and a screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the present embodiment provides a transformer maintenance crane, including a support base 1, a roller chute 2 is provided inside the support base 1, a lifting mechanism 6 is provided above the roller chute 2, transmission shafts 401 are both installed on both sides of the lifting mechanism 6, a gear 402 is installed on an end portion of the transmission shaft 401, the gear 402 is rotatably connected with the lifting mechanism 6 through the transmission shaft 401, the gear 402 is installed in engagement with a rack groove 4, a pawl 403 is sleeved on one side of the gear 402, which is located on an outer side of the transmission shaft 401, the pawl 403 is movably installed on an outer side of the transmission shaft 401 through a sleeve, a torsion spring is installed inside the sleeve, a limiting bracket 3 is installed on an upper surface of the support base 1, the limiting bracket 3 is fixedly connected with the support base 1, a guide groove 5 is provided on an inner side of the support base 1 and the limiting bracket 3, an inner diameter dimension length of the guide groove 5 is greater than an outer diameter dimension of the gear 402, a rack groove 4 is provided on an inner side of the guide groove 5, and the limiting bracket 3 is fixedly connected with the support base 1.

As shown in fig. 2 to 3, the lifting mechanism 6 includes: the scissor type support 601 and the bottom base plate 602 are movably connected, the scissor type support 601 is movably connected with a moving roller 603, the moving roller 603 is arranged on the lower surface of the bottom base plate 602 and located inside the roller sliding groove 2, the bottom base plate 602 is movably connected with the roller sliding groove 2 through the moving roller 603, a screw rod 605 is arranged on the upper portion of the bottom base plate 602 and located inside the scissor type support 601, the screw rod 605 is connected with the lifting mechanism 6 in a meshed and rotating mode, a crank 604 is arranged at the outer side end of the screw rod 605, and the crank 604 is movably arranged on the outer side of the lifting mechanism 6.

The utility model discloses a theory of operation is: when the lifting mechanism is used, torsion is applied to the crank 604, the lead screw 605 and the lifting mechanism 6 are meshed and rotated to control the scissor type support 601 to rotate, the lifting mechanism 6 is lifted upwards, the whole gear 402 is lifted under the limiting action of the guide groove 5 on the inner side of the support base 1 and the limiting support 3 during lifting, after the whole gear 402 is lifted to the inner side of the rack groove 4, meshing limiting of the rack inside the gear 402 and the rack groove 4 can be achieved, when acting force is applied to the whole lifting mechanism 6, the moving roller 603 on the lower surface of the bottom base plate 602 rolls inside the roller sliding groove 2, the gear 402 and the rack groove 4 are meshed to move, and meanwhile, when the gear 402 moves, the pawl 403 is matched with the torsion spring inside the sleeve to achieve the one-way limiting action.

It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relation or order between the entities or operations, and furthermore, the terms "comprise", or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, a method, an article, or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus.

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

1. The utility model provides a transformer maintenance crane, is including supporting base (1), its characterized in that, gyro wheel spout (2) have been seted up to the inside of supporting base (1), the top of gyro wheel spout (2) is provided with elevating system (6), transmission shaft (401) are all installed to the both sides of elevating system (6), gear (402) are installed to the tip of transmission shaft (401), one side of gear (402) is located pawl (403) have been cup jointed in the outside of transmission shaft (401), the last surface mounting who supports base (1) has spacing support (3), the outside of gear (402) is located support base (1) and guide way (5) have been seted up to the inboard of spacing support (3), the upper end of guide way (5) is located rack groove (4) have been seted up to the inboard of spacing support (3).

2. A transformer maintenance crane according to claim 1, characterized in that the hoisting mechanism (6) comprises: the scissors type support (601) and the bottom base plate (602), wherein the lower surface of the bottom base plate (602) is located inside the roller sliding groove (2) and is provided with a movable roller (603).

3. A transformer maintenance crane according to claim 2, wherein a screw (605) is arranged inside the scissor bracket (601) above the bottom base plate (602), and a crank (604) is arranged at the outer end of the screw (605).

4. A transformer maintenance crane according to claim 1, wherein the gear wheel (402) is rotatably connected to the lifting mechanism (6) via the transmission shaft (401), the pawl (403) is movably mounted on the outside of the transmission shaft (401) via a sleeve, and a torsion spring is mounted in the sleeve.

5. A transformer servicing crane according to claim 1, wherein the gear wheel (402) is mounted in engagement with the rack slot (4), and the guide slot (5) has an inner diameter dimension which is longer than an outer diameter dimension of the gear wheel (402).

6. A transformer maintenance lifting frame according to claim 2, wherein the bottom base plate (602) is movably connected with the roller chute (2) through the moving roller (603), and the scissor bracket (601) is movably connected with the moving roller (603).

7. A transformer maintenance crane according to claim 3, wherein the screw (605) is engaged with the lifting mechanism (6) for rotation therewith, and the crank (604) is movably mounted to the outside of the lifting mechanism (6).

8. A transformer maintenance lifting frame according to claim 1, wherein the limit bracket (3) is fixedly connected to the support base (1).