CN217521229U

CN217521229U - Vehicle-mounted lifting mechanism of high-voltage test reactor

Info

Publication number: CN217521229U
Application number: CN202221296153.1U
Authority: CN
Inventors: 张刚; 毛军
Original assignee: Nanjing Mudan Electric Technology Co ltd
Current assignee: Nanjing Mudan Electric Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-30
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a vehicle-mounted lifting mechanism of a high-voltage test reactor, which comprises a mechanism chassis, a base cylinder in which the reactor can be arranged, an inflatable airbag and a supporting plate which are arranged in the base cylinder, and a baffle component positioned at the upper opening of the base cylinder, wherein the base cylinder is arranged on the mechanism chassis, a stop block which is used as a lower spigot of the supporting plate is arranged at the lower edge of the inner wall surface of the base cylinder, and at least three guide components are axially and uniformly distributed on the inner wall surface of the base cylinder; the inflatable airbag is placed in the inner cavity of the base barrel, the outer edge of the supporting plate is provided with guide keys corresponding to the guide assemblies, all the guide keys of the supporting plate are inserted into guide grooves formed by the guide assemblies to form sliding fit pairs, and the supporting plate freely slides down along the guide grooves to fall on the inflatable airbag and the stop blocks. The advantages are that: the mechanism adopts the matching of the guide assembly and the guide key to solve the problem of free lifting of the mechanism; the mechanism bottom frame and the leveling bottom foot solve the problem of safe use.

Description

Vehicle-mounted lifting mechanism of high-voltage test reactor

Technical Field

The utility model relates to an electrical test integrated equipment, especially an on-vehicle elevating system of high-voltage testing reactor.

Background

Before the operation of the power system or after the maintenance, the insulation state of the power element or equipment is checked. Among them, ac withstand voltage is a basic and important test.

However, as the test voltage is increased, the required height of the reactor body is also higher, and in addition, the open magnetic circuit reactor needs to be additionally provided with a base on a vehicle to be lifted so as to reduce eddy current loss, so that the gravity center of the reactor is increased, and the contradiction is generated with the transportation stability.

Patent CN201420838792.5 "a lifting mechanism of vehicle reactor" proposes a lifting mechanism of vehicle reactor, which utilizes the charge and discharge of a capsule to lift and drop the reactor, and solves the contradiction between the improvement of the test voltage of the vehicle system and the reduction of the transportation height of the reactor in a simpler way. However, the lifting guide structure is unreasonable in design, the air bag is easy to be clamped and worn, and the problems of free lifting and safe use of the mechanism under the condition that the carriage is inclined on site are not considered.

SUMMERY OF THE UTILITY MODEL

The utility model provides an on-vehicle elevating system of high-voltage testing reactor solves the technical problem that the mechanism goes up and down freely, and the technical scheme who adopts as follows:

a vehicle-mounted lifting mechanism of a high-voltage test reactor comprises a base barrel, an inflatable airbag, a supporting plate and a baffle plate assembly, wherein the base barrel can be filled with the reactor; a stop block serving as a lower spigot of the supporting plate is arranged on the lower edge of the inner wall surface of the base cylinder, and at least three guide assemblies are uniformly distributed on the inner wall surface of the base cylinder along the axial direction; the inflatable airbag is placed in the inner cavity of the base barrel, the outer edge of the supporting plate is provided with guide keys corresponding to the guide assemblies, all the guide keys of the supporting plate are inserted into guide grooves formed by the guide assemblies to form sliding fit pairs, and the supporting plate freely slides down along the guide grooves to fall on the inflatable airbag and the stop blocks.

To the utility model discloses technical scheme's preferred, the border interval of mechanism's chassis sets up a plurality of leveling footing. The utility model discloses increase the straightness that hangs down that the leveling footing can adjust chassis level and mechanism under the condition of on-the-spot railway carriage slope, make the layer board can not block when going up and down to guarantee the stability after the reactor risees, guarantee safe in utilization.

It is right to the utility model discloses technical scheme's preferred, baffle subassembly includes baffle and retaining ring, and the baffle setting is on the last mouthful flange face of a base section of thick bamboo, and the baffle comprises two semicircle boards to the mouth, and baffle center department opens the round hole that has the cover reactor stack shell, and the drill way department of retaining ring setting round hole on the baffle. The retaining ring and the outer barrel wall of the reactor form up-down sliding fit, the retaining ring is added, external dust and rainwater can be prevented from falling into the base barrel, the insulating property of the base barrel is reduced, the sealing property and the friction force brought by the retaining ring can reduce the falling impact of the damping reactor in case of damage and explosion of the air bag, and the use safety of the mechanism is improved.

It is right to the utility model discloses technical scheme's preferred, baffle subassembly still includes the equalizer ring, and the equalizer ring is fixed on the baffle, and is located the outward flange department of baffle. The grading ring is connected with a circle of metal bolts for fixing the baffle plate, so that point discharge of metal bolts when the voltage of the reactor rises is avoided.

It is right to the utility model discloses technical scheme's preferred, the direction subassembly includes two gibs blocks, along the axial fixation on the internal face of a base section of thick bamboo, and sets up the interval between two gibs blocks, the interval forms the guide way on the internal face of a base section of thick bamboo. The utility model discloses the structure of direction subassembly that adopts removes from and fluting on the reactor flange, that is to say the effect object of mechanism need not the cooperation change, direct packing into can, aerify moreover that the gasbag slides on the gib block and can not produce serious wear.

Compared with the prior art, the utility model, its beneficial effect is:

1. the utility model discloses an on-vehicle elevating system of high-voltage testing reactor adopts the cooperation of direction subassembly and direction key to solve the problem that the mechanism goes up and down freely.

2. The utility model discloses an on-vehicle elevating system of high-voltage testing reactor, mechanism chassis and leveling footing have solved the safe in utilization problem.

Drawings

Fig. 1 is a front sectional view of an embodiment of the present invention.

Fig. 2 is a sectional top view a-a of fig. 1.

Figure 3 is reactor rise schematic diagram when the embodiment of the invention is used.

Fig. 4 is a schematic diagram of a reactor falling down when the embodiment of the present invention is in use.

Fig. 5 is a view of the base cartridge portion of fig. 1 in the direction B.

Wherein: 1-grading ring, 2-baffle, 3-supporting plate, 4-inflatable air bag, 5-retainer ring, 6-guide strip, 7-base cylinder, 8-bolt, 9-stop block, 10-leveling footing, 11-mechanism base frame, 12-air pipe, 13-air pump and 14-reactor (action object).

Detailed Description

The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.

In order to make the content of the present invention more comprehensible, the following description is further described with reference to fig. 1 to 5 and the embodiments.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1:

as shown in figure 1, the vehicle-mounted lifting mechanism of the high-voltage test reactor comprises a mechanism chassis 11, a base cylinder 7 in which the reactor can be installed, an inflatable airbag 4 and a supporting plate 3 which are arranged in the base cylinder 7, and a baffle plate assembly positioned at the upper opening of the base cylinder, wherein the base cylinder 7 is quickly fixed on the mechanism chassis 11 through bolts.

As shown in fig. 1, a stopper 9 serving as a lower spigot of the supporting plate 3 is arranged on the lower edge of the inner wall surface of the base cylinder 7, and at least three guide assemblies are uniformly distributed on the inner wall surface of the base cylinder 7 along the axial direction; in this embodiment, it is preferable that the guide members are uniformly distributed at four positions in the axial direction on the inner wall surface of the base cylinder 7.

As shown in fig. 1 and 2, the preferred guide assembly of this embodiment includes two guide strips 6 fixed on the inner wall surface of the base cylinder 7 along the axial direction, and a space is provided between the two guide strips 6, and the space forms a guide groove on the inner wall surface of the base cylinder. The method specifically comprises the following steps: two guide strips 6 are a group and fixed on the inner wall surface of the base barrel 7 by screws to form a plurality of vertical guide grooves which are uniformly distributed according to the circumference.

In this embodiment, as shown in fig. 2, the guide bar is made of an epoxy drawing bar and fixed on the inner wall of the base cylinder by non-metal screws and glue.

As shown in figure 1, the guide keys cooperating with the guide grooves are arranged at the outer edge of the supporting plate 3, all the guide keys of the supporting plate 3 are inserted into the guide grooves formed by the guide components to form sliding fit pairs, and the supporting plate freely slides down along the guide grooves and falls on the inflatable air bag 4 and the stop blocks 9.

As shown in figures 1 and 2, by adopting the structure of the guide assembly, the notch on the reactor flange is avoided, namely, the acting object of the mechanism does not need to be matched and changed, and can be directly installed, and the inflatable airbag can not be seriously abraded when sliding on the guide strip.

As shown in figure 1, the inflatable air bag 4 is placed in the inner cavity of the base barrel 7, the outer edge of the supporting plate 3 is provided with guide keys corresponding to the guide components, all the guide keys of the supporting plate 3 are inserted into guide grooves formed by the guide components to form sliding fit pairs, and the supporting plate freely slides down along the guide grooves and falls on the inflatable air bag and the stop blocks.

As shown in FIG. 1, the inflatable airbag 4 is placed in the base cartridge 7, the nozzle of the inflatable airbag 4 is fixed on the mechanism base frame 11, and the nozzle of the inflatable airbag 4 is connected to an external air pump 13 through an air pipe 12, so that the inflatable airbag 4 can be inflated.

As shown in fig. 1, a plurality of leveling feet 10 are spaced along the edge of the mechanism chassis 11. According to the vehicle-mounted lifting mechanism of the high-voltage test reactor, the leveling bottom foot 10 is additionally arranged, so that the chassis level of the mechanism and the verticality of the mechanism can be adjusted under the condition that a carriage on site inclines, a supporting plate cannot be clamped when the lifting is carried out, the stability of the reactor after rising is ensured, and the use safety is guaranteed.

The leveling feet 10 in this embodiment can be manual leveling feet or electric leveling feet, both of which are known to those skilled in the art. As shown in fig. 1, the leveling foot 10 of the present embodiment is preferably a threaded screw universal leveling foot, and a hard wear-resistant rubber plate is attached to the underside of the foot.

As shown in fig. 1 and 5, the baffle plate assembly comprises a baffle plate 2 and a retainer ring 5, the baffle plate 2 is formed by two semicircular plates in a butt joint mode, the baffle plate 2 is fixed on an upper flange face of a base barrel 7 through bolts, a round hole for sleeving a reactor barrel body is formed in the center of the baffle plate, and the retainer ring 5 is arranged at an orifice of the round hole in the baffle plate 2.

In this embodiment, the retainer ring 5 is made of a rubber flat plate and fixed on the inner edge of the baffle 2 by non-metal screws and glue. The retainer ring 5 and the outer cylinder wall of the reactor form up-down sliding fit, the retainer ring is added, external dust and rainwater can be prevented from falling into the base cylinder to reduce the insulating property of the base cylinder, the sealing property and the friction force brought by the retainer ring can reduce the falling impact of the damping reactor when the airbag is damaged and exploded, and the use safety of the mechanism is improved.

As shown in fig. 1 and 5, the baffle plate assembly further comprises a grading ring 1, wherein the grading ring 1 is fixed on the baffle plate 2 by screws and is positioned at the outer edge of the baffle plate 2. The equalizing ring 1 is connected with a circle of metal bolts for the fixed baffle 2, so that point discharge of the metal bolts when the voltage of the reactor rises is avoided.

As shown in fig. 1, at least three bolts 8 are uniformly distributed on both the upper flange and the lower flange of the base cylinder 7, and the bolts 8 are radially arranged along the base cylinder 7. As shown in fig. 2, in the present embodiment, four plugs 8 are uniformly distributed. During transportation, the plug pins 8 are inserted into pin holes of the reactor 14 through pin holes of a lower flange of the base barrel 7 for fixation, as shown in fig. 3. The latch 8 is removed when the device is used on site. The use of the plug 8 ensures the stability of the reactor 14 during transportation.

As shown in fig. 1 and 2, in this embodiment, a vehicle-mounted pneumatic lifting mechanism for a test reactor is manufactured by first fixing a stopper 9 on the inner wall of a base cylinder 7 by using screws and glue to form a lower spigot of a supporting plate 3, and then fixing a guide strip 6 on the inner wall of the base cylinder 7 by using screws and glue to form a guide groove; putting the inflatable air bag 4 into the base barrel 7, and connecting one end of an air pipe 12 with an air nozzle of the inflatable air bag 4 through a mechanism base frame 11; aligning the guide key of the supporting plate 3 with the guide groove of the base barrel 7, nesting and sliding down to fall on the stop block 9 and the inflatable air bag 4; fixing the baffle 2 by screws to form an upper spigot of the supporting plate 3; fixing a baffle ring 5 on the baffle 2 by using screws and glue, and fixing the equalizing ring 1 by using screws; the equalizing ring 1 is connected with a circle of metal bolts of the fixed baffle 3, finally the assembled mechanism and the air pump 13 of the embodiment are placed on the mechanism chassis 11 and fixed by the bolts, and the other end of the air pipe 12 is connected with the air pump 13.

In the use process of the vehicle-mounted pneumatic lifting mechanism for the test reactor in the embodiment, the baffle 2 is detached, the reactor 14 is hoisted to enter the base cylinder 7 and fall on the supporting plate 3, then the baffle 2 is installed, and the bolt 9 penetrates through a pin hole of a lower flange of the base cylinder 7 and is inserted into a pin hole of the reactor 14 to be fixed. When the reactor is used on site, the bolt 9 is pulled out, the air pump 13 is used for inflating the inflatable air bag 4, the reactor 14 is jacked up through the supporting plate 3 until the lower flange of the reactor touches the baffle plate 2, and the bolt 9 is inserted from the flange pin hole on the base cylinder 7 to fix the reactor, as shown in figure 4; then the inflatable air bag 4 is deflated, and the supporting plate 3 drives the inflatable air bag 4 to freely fall onto the stop block 9 under the action of the dead weight. After the test is finished, the inflatable air bag 4 is inflated and lifted again, the reactor 14 is received through the supporting plate 3, the bolt 9 is pulled out, the inflatable air bag 4 is deflated to enable the reactor 14 to fall down, and when the supporting plate 3 falls on the surface of the stop block 10, the reactor is fixed by inserting the bolt 9, and then the vehicle can be driven to go on the road. When the carriage inclines when encountering uneven ground on site, the mechanism underframe 12 is leveled by rotating the threaded lead screw of the leveling footing 10, so that the verticality of the mechanism is ensured, and the supporting plate 3 cannot be clamped when rising and falling.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A vehicle-mounted lifting mechanism of a high-voltage test reactor comprises a base barrel, an inflatable airbag, a supporting plate and a baffle plate assembly, wherein the base barrel can be filled with the reactor; a stop block serving as a lower spigot of the supporting plate is arranged on the lower edge of the inner wall surface of the base cylinder, and at least three guide assemblies are uniformly distributed on the inner wall surface of the base cylinder along the axial direction; the inflatable airbag is placed in the inner cavity of the base barrel, the outer edge of the supporting plate is provided with guide keys corresponding to the guide assemblies, all the guide keys of the supporting plate are inserted into guide grooves formed by the guide assemblies to form sliding fit pairs, and the supporting plate freely slides down along the guide grooves to fall on the inflatable airbag and the stop blocks.

2. The vehicle-mounted lifting mechanism of the high-voltage test reactor as recited in claim 1, wherein a plurality of leveling feet are arranged at intervals along the edge of the mechanism underframe.

3. The vehicle-mounted lifting mechanism of the high-voltage test reactor as claimed in claim 1 or 2, wherein the baffle assembly comprises a baffle plate and a retaining ring, the baffle plate is arranged on the upper flange face of the base cylinder, the baffle plate is formed by two semicircular plates in a butt joint mode, a circular hole for sleeving the reactor cylinder body is formed in the center of the baffle plate, and the retaining ring is arranged at an orifice of the circular hole in the baffle plate.

4. The vehicle-mounted lifting mechanism of the high-voltage test reactor as claimed in claim 3, wherein the baffle plate assembly further comprises a grading ring, and the grading ring is fixed on the baffle plate and located at the outer edge of the baffle plate.

5. The vehicle-mounted lifting mechanism of the high-voltage test reactor is characterized in that the guide assembly comprises two guide strips which are fixed on the inner wall surface of the base barrel along the axial direction, a space is arranged between the two guide strips, and a guide groove is formed on the inner wall surface of the base barrel at the space.