Bus lifting device for temperature rise detection of high-voltage cabinet

Abstract

The utility model discloses a high-voltage cabinet temperature rise detection bus lifting device, which comprises a base, the upper end of the base is detachably connected with a vertical column, the vertical column is sleeved with a sliding sleeve, one side of the sliding sleeve is connected with an adjusting mechanism, the adjusting mechanism is connected with the vertical column, the other side of the sliding sleeve is connected with a folding rod group, and the folding rod group is connected with the sliding sleeve. The tail end of the folding rod set is connected with a supporting head, and the adjusting mechanism drives the supporting head connected with the folding rod set to move up and down along the stand column through a sliding sleeve so as to adjust the position of the supporting head in the vertical direction. The folding rod set comprises a large arm and a second arm, the large arm is connected with the sliding sleeve, the second arm is connected to the tail end of the large arm, the position of the supporting head in the horizontal direction is adjusted through rotation of the large arm and the second arm, the device can lift and support high-voltage cabinet buses at different installation positions, the detection reliability is improved, and damage to devices is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting device especially to a high voltage cabinet temperature rise detection bus lifting device. BACKGROUND

[0002] The high voltage cabinet is also called high voltage switch cabinet, which is used in power system generation, transmission, distribution, electric energy conversion and consumption to realize on-off, control or protection. The high voltage cabinet has multiple cable joints and circuit breakers inside, which are connected with the main control switch outside to realize the on-off of the circuit. In order to ensure the safety and stability of the high voltage cabinet during use, the temperature rise of the devices inside the high voltage cabinet needs to be detected to evaluate whether the temperature rise of each part of the high voltage cabinet under the rated current is within the allowable range. During detection, the bus of the high voltage cabinet is connected with the large current generating device through cables or flexible connections. Since the bus of the high voltage cabinet forms a cantilever at the extended end, the bus end of the cantilever is under great stress when connected with cables or flexible connections, which can easily cause damage to the devices connected with the bus. In view of the above defects, it is necessary to design a high voltage cabinet temperature rise detection bus lifting device. SUMMARY

[0003] The utility model discloses a high voltage cabinet temperature rise detection bus lifting device, can lift the support of the high voltage cabinet bus of different installation position, improve the reliability of detection, avoid the damage of device.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a high voltage cabinet temperature rise detection bus lifting device, including the base, the base upper end detachable connection has the stand, the stand upper sleeve has the sliding sleeve, the one side of sliding sleeve is connected with the adjusting mechanism, the adjusting mechanism is connected with the stand, the other side of sliding sleeve is connected with the folding rod group, the folding rod group's end is connected with the support head, the adjusting mechanism drives the support head connected with the folding rod group and moves up and down along the stand to adjust the position of the support head in the vertical direction; The folding rod group includes a large arm and a two-arm, the large arm is connected with the sliding sleeve, the two-arm is connected at the end of the large arm, and the position of the support head in the horizontal direction is adjusted by rotating the large arm and the two-arm.

[0005] The utility model further improves as follows:

[0006] Further, the adjusting mechanism includes two bearing seats arranged symmetrically along the stand, a lead screw is transversely arranged in each bearing seat, the lead screw penetrates a nut, and one end of the nut is fixed to the outside of the sliding sleeve.

[0007] Further, a hand wheel is arranged on the lead screw, and the hand wheel is connected with the lead screw through bolts.

[0008] Further, the two ends of the big arm are provided with shaft sleeves, the shaft sleeves are provided with rotating shafts, the rotating shafts are connected with the shaft sleeves in clearance fit and are fixed with the slide sleeves and the two arms respectively, and the outer sides of the shaft sleeves are provided with locking screws.

[0009] Further, the base comprises a horizontal support, one side of the horizontal support is provided with two first longitudinal supports arranged symmetrically, the other side of the horizontal support is provided with a second longitudinal support opposite to the first longitudinal supports, and the horizontal support is provided with fixing sleeves matched with the vertical columns.

[0010] Further, the ends of the first longitudinal supports and the second longitudinal supports are provided with universal wheels.

[0011] Compared with the prior art, the high-voltage cabinet temperature rise detection bus lifting device has the following beneficial effects:

[0012] 1. The height of the support head is adjusted in the vertical direction through the adjusting mechanism, and the position of the support head in the horizontal direction is adjusted through the folding rod set, so that the bus in the space range opposite to the vertical column is lifted and supported, the reliability of detection is improved, the damage of the device is avoided, and the adjustment is convenient and fast, and is suitable for various high-voltage cabinets.

[0013] 2. The locking screw is designed at the rotating position of the folding rod set, so that the shaking and other bad phenomena of the support head during detection are effectively avoided, and the safety of detection is improved.

[0014] 3. The two arms and the support head made of engineering plastics are selected, and the two arms and the support head have excellent insulation performance, and the safety performance in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The three-dimensional drawing of the utility model is shown

[0016] Figure 2 The three-dimensional drawing of the base of the utility model is shown

[0017] Figure 3 The three-dimensional drawing of the folding rod set of the utility model is shown

[0018] Figure 4 The three-dimensional drawing of another embodiment of the utility model is shown

[0019] In the drawing: base 1, vertical column 2, slide sleeve 3, adjusting mechanism 4, folding rod set 5, support head 6, horizontal support 101, first longitudinal support 102, second longitudinal support 103, fixing sleeve 104, universal wheel 105, limiting sliding groove 201, horizontal rod 202, limiting head 301, bearing seat 401, lead screw 402, nut 403, hand wheel 404, big arm 501, two arms 502, shaft sleeve 503, rotating shaft 504, locking screw 505. DETAILED DESCRIPTION

[0020] As Figure 1 , Figure 2 , Figure 3 , Figure 4 indicated, a high-voltage cabinet temperature rise detection bus lifting device, comprising a base 1, the upper end of the base 1 is detachably connected with a stand 2, the stand 2 is sleeved with a sliding sleeve 3, one side of the sliding sleeve 3 is connected with an adjusting mechanism 4, the adjusting mechanism 4 is connected with the stand 2, the other side of the sliding sleeve 3 is connected with a folding rod group 5, the end of the folding rod group 5 is connected with a support head 6, the support head 6 connected with the folding rod group 5 is driven by the adjusting mechanism 4 through the sliding sleeve 3 to move up and down along the stand 2 to adjust the position of the support head 6 in the vertical direction; the folding rod group 5 comprises a large arm 501 and a two-arm 502, the large arm 501 is connected with the sliding sleeve 502, the two-arm 502 is connected at the end of the large arm 501, and the position of the support head 6 in the horizontal direction is adjusted by rotating the large arm 501 and the two-arm 502. The height of the support head 6 is adjusted in the vertical direction by the adjusting mechanism 4, and the position of the support head 6 in the horizontal direction is adjusted by the folding rod group 5, so as to lift and support the bus in the space range relative to the stand 1.

[0021] Among them, in order to improve the safety performance of use, the two-arm 502 and the support head 6 made of engineering plastics are selected, which have excellent insulation performance and improve the safety performance of use.

[0022] In this embodiment, as Figure 1 indicated, the adjusting mechanism 4 comprises two bearing seats 401 arranged symmetrically along the stand 1, a lead screw 402 is transversely arranged in the two bearing seats 401, the lead screw 402 penetrates a nut 403, one end of the nut 403 is fixed outside the sliding sleeve 3, and rotating the lead screw 402 can drive the sliding sleeve 3 connected with the nut 403 to slide in the height direction of the stand 2, so that the height of the sliding sleeve 3 is adjusted in the space relative to the stand 2, and the lead screw 402 and the nut 403 are usually selected as a finished ball screw pair, and in other embodiments, they can also be a common threaded screw and a common nut.

[0023] Among them, in order to facilitate the rotation of the lead screw 402, a hand wheel 404 is arranged on the lead screw 402, and the hand wheel 404 is connected with the lead screw 402 by bolts, which improves the disassembly efficiency of the hand wheel 404.

[0024] In this embodiment, as Figure 3As shown, in order to improve the stability of the lifting, the two ends of the arm 501 are provided with shaft sleeves 503, the shaft sleeves 503 are provided with rotating shafts 504, the rotating shafts 504 are connected with the shaft sleeves 503 in clearance fit and are fixed with the sliding sleeves 3 and the arms 502 respectively, the outer side of the shaft sleeves 503 is provided with locking screws 505, the locking screws 505 are screwed into the shaft sleeves 503 to lock the rotating shafts 504. When adjusting, the support heads 6 are adjusted to be in the appropriate positions by rotating the arms 501 and the arms 502, the locking screws 505 are screwed into the shaft sleeves 503 to lock the arms 501 and the sliding sleeves 3, the arms 501 and the arms 502, so that the shaking during the lifting is avoided and the stability of the support is improved.

[0025] In this embodiment, as shown in Figure 1 , Figure 3 The column 2 is selected to be circular in cross-sectional shape, which is generally a pipe, the limiting sliding grooves 201 are formed on the outer wall of the column 2, and the limiting heads 301 matched with the limiting sliding grooves 201 are arranged on the inner wall of the sliding sleeves 3. When the adjusting mechanism 4 drives the sliding sleeves 3 to slide on the column 2, the sliding sleeves 3 will not deviate, and the stability of the adjustment is improved. In other embodiments, the column 2 is designed to be square in cross-sectional shape, and the sliding sleeves 3 matched with the column 2 are designed, and stable adjustment can also be achieved.

[0026] In this embodiment, as shown in Figure 2 , in order to improve the stability of the lifting, the base 1 includes a horizontal support 101, one side of the horizontal support 101 is provided with two first longitudinal supports 102 arranged symmetrically, the other side of the horizontal support 101 is provided with second longitudinal supports 103 opposite to the first longitudinal supports 102, and the horizontal support 101 is provided with fixing sleeves 104 matched with the columns 2. Through the design of the pair of first longitudinal supports 102 and the pair of second longitudinal supports 103, the area of the space occupied by the base 1 is increased, so that the overturning is effectively prevented and the stability is improved.

[0027] In this embodiment, as shown in Figure 2 , in order to improve the convenience of use of the device, universal wheels 105 are installed at the ends of the first longitudinal supports 102 and the second longitudinal supports 103.

[0028] As shown in Figure 4 , in order to meet the lifting of two groups of busbars, two fixing sleeves 104 are designed on the horizontal support 101, the columns 2 are installed on each fixing sleeve 104, the sliding sleeves 3, the adjusting mechanisms 4 and the folding rod groups 5 with the support heads 6 fixed at the ends are installed on the sliding sleeves 3, the heights of the two support heads 6 can be adjusted by the two adjusting mechanisms 4 respectively, the horizontal positions of the two support heads 6 can be adjusted by the two folding rod groups 5 respectively, and thus the two groups of busbars at different heights and positions can be supported.

[0029] In order to improve the stability, the horizontal rod 202 is arranged at the top of the two upright columns 2 to connect the two upright columns 2 together, so that the two independent upright columns 2 become an integral structure, effectively improving the stability of the lifting.

[0030] It is worth noting that, as shown in Figure 4 According to the actual situation, a plurality of fixing sleeves 104 are designed in the horizontal support 101, and the upright column 2, the sliding sleeve 3, the adjusting mechanism 4, the folding rod group 5 and the support head 5 are matched and installed, so that a plurality of groups of busbars with different heights and different positions are supported.

[0031] The high-voltage cabinet temperature rise detection busbar lifting device is moved to a detection station through the universal wheel 105 in the base 1. When adjusting, the sliding sleeve 3 connected with the nut 403 is driven to slide along the height direction of the upright column 2 by rotating the hand wheel 404 to drive the lead screw 402, so that the sliding sleeve 3 is adjusted in height in the opposite space of the upright column 2 until the busbar position, then the support head 6 is adjusted to be below the busbar and close to the busbar by rotating the big arm 501 and the second arm 502, the big arm 501 is locked with the sliding sleeve 3 and the big arm 501 with the second arm 504 by screwing the locking screw 505 into the shaft sleeve 503 and abutting against the rotating shaft 504, so that the big arm 501 is locked with the sliding sleeve 3, the big arm 501 and the second arm 504. When the operator connects the external cable or the flexible connection with the busbar, the support head 6 close to the busbar can fully support the busbar, improve the reliability of detection, and avoid damage to the device.

[0032] The utility model is not limited to the above-mentioned specific implementation, and the ordinary skilled in the art can make various changes without creative labor based on the above-mentioned concept, which all fall within the protection scope of the utility model.

Claims

1. A high-voltage cabinet temperature rise detection bus lifting device, characterized in that The utility model provides a folding support, which comprises a base, a stand column detachably connected to the upper end of the base, a sliding sleeve sleeved on the stand column, an adjusting mechanism connected to one side of the sliding sleeve, the adjusting mechanism being connected to the stand column, a folding rod set connected to the other side of the sliding sleeve, a support head connected to the end of the folding rod set, and the support head being driven by the adjusting mechanism to move up and down along the stand column to adjust the position of the support head in the vertical direction. The folding rod set comprises a main arm connected to the sliding sleeve and a second arm connected to the end of the main arm, and the position of the support head in the horizontal direction is adjusted by rotating the main arm and the second arm.

2. The high voltage cabinet temperature rise detection bus lifting device according to claim 1, characterized in that The adjusting mechanism comprises two bearing seats symmetrically arranged along the stand column, a screw rod transversely arranged in each bearing seat, and a nut penetrating through the screw rod, one end of the nut being fixed to the outside of the sliding sleeve.

3. The high voltage cabinet temperature rise detection bus lifting device according to claim 2, characterized in that A hand wheel is arranged on the screw rod, and the hand wheel is connected to the screw rod by a bolt.

4. The high voltage cabinet temperature rise detection bus lifting device according to claim 1, characterized in that The two ends of the main arm are provided with shaft sleeves, a rotating shaft is arranged in each shaft sleeve, the rotating shaft is connected to the shaft sleeve in a clearance fit and is fixed to the sliding sleeve and the second arm respectively, a locking screw is arranged on the outside of each shaft sleeve, and the rotating shaft is locked by screwing the locking screw into the shaft sleeve.

5. The high voltage cabinet temperature rise detection bus lifting device according to claim 1, characterized in that The base comprises a horizontal support, two first vertical supports symmetrically arranged on one side of the horizontal support, a second vertical support arranged on the other side of the horizontal support and opposite to the first vertical supports, and a fixing sleeve matched with the stand column arranged on the horizontal support.

6. The high voltage cabinet temperature rise detection bus lifting device according to claim 5, characterized in that Universal wheels are arranged at the ends of the first vertical supports and the second vertical support.

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