CN219239180U - Auxiliary mounting bracket for power engineering - Google Patents

Abstract

The utility model discloses an auxiliary mounting bracket for electric power engineering, which relates to the technical field of electric power engineering and comprises four supporting legs, a height adjusting unit, a lifting unit and a locking mechanism, wherein the supporting legs are hollow cylinders, each height adjusting unit comprises sliding columns, threaded shafts, fixing rods, bevel gears I, bevel gears II and rotating handles, the lower ends of the four supporting legs are respectively vertically and slidingly connected with the sliding columns, threaded holes in the middle parts of the upper ends of the four sliding columns are respectively and spirally connected with the threaded shafts, the upper sides of the inner walls of the four supporting legs are respectively and fixedly connected with the two ends of the four fixing rods, the middle part of each fixing rod is respectively and rotatably connected with the vertical threaded shafts, the tops of the four threaded shafts penetrate through the fixing rods and are respectively and fixedly connected with the lower sides of the four gears I, the upper side wall of each supporting leg is respectively and rotatably connected with the four rotating handles, the height of the bracket can be adjusted, and the practicability of the device can be improved by adjusting the heights of four corners.

Description

Auxiliary mounting bracket for power engineering

Technical Field

The utility model relates to the technical field of power engineering, in particular to an auxiliary mounting bracket for power engineering.

Background

Electric power engineering, i.e., engineering related to the production, transportation and distribution of electrical energy, broadly includes engineering that uses electricity as power and energy in a variety of fields, and electrical energy has many advantages of easy conversion, convenient transportation, easy control, convenient use, cleanliness and economy.

An electric telescopic rod is connected with the auxiliary installation of the electric power engineering proposed by the authorized public number CN212114566U in the prior art, the upper end of the electric telescopic rod is fixedly connected with a supporting block on the upper side wall of a top plate together, and a fixing component is arranged on the upper side wall of the supporting block;

the cable mounting bracket is simple in structure, can not be operated on soft uneven land, is inconvenient to mount, and greatly reduces the practicability of the bracket.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the auxiliary mounting bracket for the electric power engineering, wherein the height of the bracket can be adjusted, and the height of four corners can be adjusted to adapt to uneven land, so that the practicability of the device is improved, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an auxiliary mounting bracket for electric power engineering comprises supporting legs, a height adjusting unit, a lifting unit and a locking mechanism;

and (3) supporting legs: four supporting legs are arranged, and the supporting legs are hollow cylinders;

height adjusting unit: the four-leg support comprises sliding columns, threaded shafts, fixing rods, first bevel gears, second bevel gears and rotating handles, wherein the sliding columns are vertically and slidably connected in the lower ends of the four supporting legs respectively, threaded holes in the middle of the upper ends of the four sliding columns are in threaded connection with the threaded shafts respectively, the upper sides of the inner walls of the four supporting legs are fixedly connected with the two ends of the four fixing rods respectively, the middle of each fixing rod is rotationally connected with the vertical threaded shaft respectively, the tops of the four threaded shafts penetrate through the fixing rods and are fixedly connected with the lower sides of the four first bevel gears respectively, the side walls of the upper ends of the supporting legs are rotationally connected with the four rotating handles respectively, one end of each rotating handle extends to the inner side of each supporting leg and is fixedly connected with one side of the four second bevel gears respectively, and the four first bevel gears are in meshed connection with the four second bevel gears respectively;

lifting unit: the upper ends of the four supporting legs are arranged;

locking mechanism: four locking mechanisms are arranged in the supporting legs and are respectively connected with the tops of the four threaded shafts. The legs are used for bearing the main components of the bracket. The height adjusting unit is used for adjusting the heights of the four supporting legs respectively so as to be suitable for being used on uneven land, the shaft section of the rotating handle drives the bevel gear II to rotate by rotating the rotating handle, the bevel gear II drives the bevel gear I in meshed connection with the bevel gear II to rotate, the bevel gear drives the threaded shaft to rotate, the fixed rod fixes the threaded shaft on the supporting legs, and the threaded shaft drives the sliding column in threaded connection with the threaded shaft to slide. The lifting unit is used for adjusting the height between the guardrail and the ground. The locking mechanism is used for preventing the sliding column from retracting into the supporting leg due to pressure.

Further, the height adjusting unit further comprises guide slide ways, vertical guide slide ways are respectively arranged on two sides of the four sliding columns, vertical guide sliding blocks are respectively arranged on two sides of the inner walls of the four supporting legs, and the guide slide ways are in sliding connection with the corresponding guide sliding blocks. The guide slideway prevents the sliding column from rotating along with the threaded shaft due to friction force and limits the sliding column to vertically slide with the supporting leg.

Further, the lifting unit comprises a supporting plate, a fixed supporting frame, a fixing frame, sliding frames, sliding tracks, a first connecting rod, a second connecting rod, rotating shafts and lifting supporting plates, wherein the upper ends of the four supporting legs are respectively fixedly connected with four corners of the lower ends of the supporting plates, the upper parts of the supporting plates are fixedly connected with the fixed supporting frame, the lifting supporting plates are arranged right above the fixed supporting frame, sliding tracks are respectively arranged on four sides of the upper side of the fixed supporting frame and four sides of the lower side of the lifting supporting plate, the same ends of the two sliding tracks which correspond up and down are respectively fixedly connected with the fixing frames, sliding frames are respectively connected onto the two sliding tracks which correspond up and down in a sliding manner, a first connecting rod and a second connecting rod are arranged between the two sliding tracks which correspond up and down, the first connecting rod and the second connecting rod are identical in size, the middle parts of the first connecting rod and the second connecting rod are movably connected through the rotating shafts, the upper ends of the first connecting rod and the sliding frames which correspond to the upper sides are movably connected with the fixing frames which correspond to the lower sides, the upper ends of the second connecting rod and the upper ends of the second connecting rod are movably connected with the fixing frames which correspond to the lower sides, and the lower ends of the sliding frames which correspond to the sliding frames. The first connecting rod and the second connecting rod form a cross connecting rod mechanism through the rotating shaft, the sliding frame is adjusted to drive the connecting rod I and the connecting rod II to slide in the slideway, the distance between the fixed supporting frame and the lifting supporting plate can be adjusted, and the purpose of lifting the bracket is achieved.

Further, locking mechanism contains ratchet, pawl, spanner, extension spring and fixed block, the top of four screw shafts is the middle part of four ratchets of fixed connection respectively, the rectangle through-hole that one side of four landing leg upper ends was seted up is the middle part of four pawls of vertical dwang swing joint respectively, four pawls respectively with the periphery side contact of ratchet, the afterbody of four pawls is the middle part of four spanners of fixed connection respectively, the one end of four spanners is the one end of fixed connection extension spring respectively, the one end of fixed block that the one end of extension spring was fixed respectively and is linked the setting of landing leg side. When the sliding column has a trend of retracting inwards, the sliding column drives the threaded shaft to rotate anticlockwise, when the threaded shaft drives the ratchet wheel to rotate anticlockwise, the pawl is pulled to the ratchet wheel under the action of the spring force of the extension spring, so that the pawl is clamped on the ratchet wheel, the rotation of the ratchet wheel is limited, the locking purpose can be achieved, the pawl can be separated from the ratchet wheel by pressing one end of the wrench far away from the spring, and therefore the height of the sliding column can be freely adjusted.

Further, still include actuating mechanism, actuating mechanism is equipped with four, and actuating mechanism contains motor, motor support, drive screw shaft and connecting block respectively, the inboard four sides of backup pad are provided with the motor support respectively, are provided with the motor on the motor support respectively, the output shaft of motor is fixed connection drive screw shaft's one end respectively, the connecting block is equipped with four, and one side of connecting block is fixed connection with one side of carriage respectively, drive screw shaft's the other end respectively with offer the screw hole threaded connection at the connecting block middle part, the input of motor is connected with external power source's output electricity through outside PLC controller respectively. The motor drives the threaded shaft to rotate in the threaded hole on the connecting block, and because the threaded shaft is fixed on the motor support, the connecting block drives the sliding frame to slide in the slideway relative to the motor support, so that the lifting of the support is realized, and the input end of the motor is electrically connected with the output end of an external power supply through the output end of the external PLC.

Further, still contain stabilizer blade and guardrail, the stabilizer blade is equipped with four, and the downside of four slip posts fixed connection stabilizer blade respectively, the downside of lifting support board's upper end fixed connection guardrail. The support legs are used for increasing the contact area between the support and the ground, reducing the pressure and preventing the support legs from sinking in the soft ground. The guard rail protects the safety of workers working on the guard rail.

Compared with the prior art, the utility model has the beneficial effects that: this auxiliary installation support of electric power engineering has following benefit:

1. the auxiliary mounting bracket for the electric power engineering is provided with the height adjusting unit, the depth of the threaded shaft extending into the sliding column can be adjusted by rotating the rotating handle, and the extending distance of the sliding column in the vertical direction is adjusted, so that the height of each supporting leg is independently adjusted;

2. the auxiliary mounting bracket for the electric power engineering is provided with the locking mechanism, and the pawl is pulled to the ratchet wheel under the action of the spring force of the extension spring, so that the pawl clamps the ratchet wheel and the rotation of the ratchet wheel is limited;

3. this supplementary installing support of electric power engineering, the height of support can be adjusted to can be through adjusting the soil of four corners height in order to adapt to the unevenness, improve the practicality of device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is a schematic view of the structure of FIG. 2 at C in accordance with the present utility model;

fig. 6 is a schematic diagram of the structure of fig. 2D according to the present utility model.

In the figure: the lifting device comprises a support leg 1, a support leg 2, a height adjusting unit 3, a sliding column 31, a guide slideway 32, a threaded shaft 33, a fixed rod 34, a bevel gear 35, a bevel gear 36 II, a rotating handle 37, a lifting unit 4, a supporting plate 41, a fixed supporting frame 42, a fixed frame 43, a sliding frame 44, a slideway 45, a connecting rod 46, a connecting rod 47, a rotating shaft 48, a lifting supporting plate 49, a driving mechanism 5, a motor 51, a motor bracket 52, a driving threaded shaft 53, a connecting block 54, a locking mechanism 6, a ratchet wheel 61, a pawl 62, a wrench 63, a tension spring 64, a fixed block 65 and a guardrail 7.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present embodiment provides a technical solution: an auxiliary mounting bracket for electric power engineering comprises a supporting leg 2, a height adjusting unit 3, a lifting unit 4 and a locking mechanism 6;

leg 2: four support legs 2 are arranged, and the support legs are hollow cylindrical. The legs 2 are intended to carry the main components of the stand.

Height adjusting unit 3: the four-leg four-wheel support comprises a sliding column 31, a threaded shaft 33, a fixed rod 34, a first bevel gear 35, a second bevel gear 36 and a rotating handle 37, wherein the sliding column 31 is vertically and slidably connected inside the lower ends of the four supporting legs 2 respectively, threaded holes in the middle of the upper ends of the four sliding columns 31 are in threaded connection with the threaded shaft 33 respectively, the upper sides of the inner walls of the four supporting legs 2 are fixedly connected with the two ends of the four fixed rods 34 respectively, the middle of each fixed rod 34 is rotationally connected with the vertical threaded shaft 33 respectively, the tops of the four threaded shafts 33 penetrate through the fixed rods 34 and are fixedly connected with the lower sides of the four first bevel gears 35 respectively, the upper end side wall of each supporting leg 2 is rotationally connected with the four rotating handles 37 respectively, one end of each rotating handle 37 extends to one side of the four second bevel gears 36 in the supporting legs 2 and is fixedly connected with the four second bevel gears 36 respectively, and the four first bevel gears 35 are in meshed connection with the four second bevel gears 36 respectively. The height adjusting unit 3 is used for adjusting the heights of the four supporting legs 2 respectively so as to be suitable for being used on uneven land, the rotating handle 37 is rotated, the shaft section of the rotating handle 37 drives the bevel gear II 36 to rotate, the bevel gear II 36 drives the bevel gear I35 in meshed connection with the bevel gear II to rotate, the bevel gear I35 drives the threaded shaft 33 to rotate, the fixing rod 34 fixes the threaded shaft 33 on the supporting legs 2, and the threaded shaft 33 drives the sliding column 31 in threaded connection with the threaded shaft to slide.

The height adjusting unit 3 further comprises a guide slideway 32, two sides of the four sliding columns 31 are respectively provided with a vertical guide slideway 32, two sides of the inner walls of the four supporting legs 2 are respectively provided with a vertical guide slide block, and the guide slideway 32 is in sliding connection with the corresponding guide slide blocks. The guide slide way prevents the sliding column 31 from rotating along with the threaded shaft 33 due to friction force, and limits the sliding column 31 to vertically slide with the supporting leg 2.

Lifting unit 4: are arranged at the upper ends of the four legs 2. The lifting unit 4 is used for adjusting the height between the guard rail 7 and the ground.

The lifting unit 4 comprises a supporting plate 41, a fixed supporting frame 42, a fixing frame 43, a sliding frame 44, sliding ways 45, a first connecting rod 46, a second connecting rod 47, a rotating shaft 48 and a lifting supporting plate 49, wherein the upper ends of the four supporting legs 2 are respectively and fixedly connected with the four corners of the lower end of the supporting plate 41, the upper part of the supporting plate 41 is fixedly connected with the fixed supporting frame 42, the lifting supporting plate 49 is arranged right above the fixed supporting frame 42, sliding ways 45 are respectively arranged on the four sides of the upper side of the fixed supporting frame 42 and the four sides of the lower side of the lifting supporting plate 49, the same ends of the two sliding ways 45 which correspond up and down are respectively and fixedly connected with the fixing frame 43, the sliding frames 44 are respectively and slidably connected on the two sliding ways 45 which correspond up and down, the first connecting rod 46 and the second connecting rod 47 are arranged between the two sliding ways 45 which correspond up and down, the first connecting rod 46 and the second connecting rod 47 are identical in size, the middle parts of the first connecting rod 46 and the second connecting rod 47 are movably connected through the rotating shaft 48, the upper end of the first connecting rod 46 is movably connected with the sliding frame 44 which corresponds to the lower end of the connecting rod 47, the upper end of the connecting rod 46 is movably connected with the fixing frame 43 which corresponds to the lower side. Each first connecting rod 46 and each second connecting rod 47 form a crossed connecting rod mechanism through a rotating shaft 48, and the distance between the fixed supporting frame 42 and the lifting supporting plate 49 can be adjusted by adjusting the sliding frame 44 to drive the connecting parts of the first connecting rod 46 and the second connecting rod 47 to slide in the sliding way 45, so that the purpose of lifting the bracket is achieved.

Locking mechanism 6: four locking mechanisms 6 are provided and are respectively arranged inside the supporting legs 2, and the four locking mechanisms 6 are respectively connected with the tops of the four threaded shafts 33. The locking mechanism 6 is used to prevent the sliding column 31 from being retracted into the leg 2 by pressure.

The locking mechanism 6 comprises ratchet wheels 61, pawls 62, wrenches 63, extension springs 64 and fixed blocks 65, the tops of the four threaded shafts 33 are respectively and fixedly connected with the middle parts of the four ratchet wheels 61, rectangular through holes formed in one sides of the upper ends of the four supporting legs 2 are respectively and movably connected with the middle parts of the four pawls 62 through vertical rotating rods, the four pawls 62 are respectively contacted with the peripheral sides of the ratchet wheels 61, the tail parts of the four pawls 62 are respectively and fixedly connected with the middle parts of the four wrenches 63, one ends of the four wrenches 63 are respectively and fixedly connected with one ends of the extension springs 64, and one ends of the extension springs 64 are respectively and fixedly connected with one ends of the fixed blocks 65 arranged on the side edges of the supporting legs 2. When the sliding column 31 has a tendency of retracting inwards, the sliding column 31 drives the threaded shaft 33 to rotate anticlockwise, and the threaded shaft 33 drives the ratchet wheel 61 to rotate anticlockwise, the pawl 62 is pulled to the ratchet wheel 61 under the action of the spring force of the extension spring 64, so that the pawl 62 is clamped on the ratchet wheel 61, the rotation of the ratchet wheel 61 is limited, the locking purpose can be achieved, the pawl 62 can be separated from the ratchet wheel 61 by pressing one end of the wrench 63 far away from the spring, and the height of the sliding column 31 can be freely adjusted.

Still include actuating mechanism 5, actuating mechanism 5 is equipped with four, and actuating mechanism 5 contains motor 51 respectively, motor support 52, drive screw shaft 53 and connecting block 54, the inboard four sides of backup pad 41 are provided with motor support 52 respectively, be provided with motor 51 on the motor support 52 respectively, the output shaft of motor 51 is fixed connection drive screw shaft 53's one end respectively, connecting block 54 is equipped with four, and one side of connecting block 54 respectively with one side fixed connection of carriage 44, drive screw shaft 53's the other end respectively with offer the screw hole threaded connection at connecting block 54 middle part, motor 51's input is connected with external power source's output electricity through outside PLC controller respectively. The motor 51 drives the driving screw shaft 53 to rotate in the screw hole on the connecting block 54, and because the screw shaft 53 is fixed on the motor bracket 52, the connecting block 54 drives the sliding frame 44 to slide in the slide 45 relative to the motor bracket 52, so as to realize lifting of the bracket, and the input end of the motor 51 is electrically connected with the output end of the external power supply through the output end of the external PLC.

The lifting support comprises four support legs 1 and guardrails 7, wherein the support legs 1 are provided with four sliding columns 31, the lower ends of the four sliding columns are fixedly connected with the upper sides of the support legs 1 respectively, and the upper ends of the lifting support plates 49 are fixedly connected with the lower sides of the guardrails 7. The support feet 1 reduce the pressure in order to increase the contact area between the support and the ground, and prevent the support feet from sinking into the soft ground. The guard rail 7 protects the safety of workers working on it.

The working principle of the auxiliary mounting bracket for the electric power engineering provided by the utility model is as follows:

the supporting leg 2 is used for bearing main components of the support, the height adjusting unit 3 is used for respectively adjusting the heights of the four supporting legs 2 so as to be suitable for being used on uneven lands, the rotating handle 37 is rotated, the shaft section of the rotating handle 37 drives the bevel gear II 36 to rotate, the bevel gear II 36 drives the bevel gear I35 which is in meshed connection with the bevel gear II to rotate, the bevel gear I35 drives the threaded shaft 33 to rotate, the fixed rod 34 fixes the threaded shaft 33 on the supporting leg 2, the threaded shaft 33 drives the sliding column 31 which is in threaded connection with the threaded shaft 33 to slide, the guiding slideway prevents the sliding column 31 from rotating along with the threaded shaft 33 due to friction force, the sliding column 31 is limited to vertically slide with the supporting leg 2, the lifting unit 4 is used for adjusting the height between the guardrail 7 and the ground, each connecting rod I46 and the connecting rod II 47 form a cross connecting rod mechanism through the rotating shaft 48, the distance between the fixed supporting frame 42 and the lifting supporting plate 49 can be adjusted by adjusting the sliding frame 44 to drive the connecting rod 46 and the connecting rod 47 to slide in the sliding way 45, the purpose of lifting the bracket is achieved, the locking mechanism 6 is used for preventing the sliding column 31 from retracting into the supporting leg 2 due to pressure, when the sliding column 31 has a trend of retracting inwards, the sliding column 31 drives the threaded shaft 33 to rotate anticlockwise, the threaded shaft 33 drives the ratchet wheel 61 to rotate anticlockwise, the pawl 62 is pulled to the ratchet wheel 61 under the action of the spring force of the tension spring 64, the pawl 62 clamps the ratchet wheel 61, the rotation of the ratchet wheel 61 is limited, the locking purpose can be achieved, the pawl 62 can be separated from the ratchet wheel 61 by pressing one end of the spanner 63 far from the spring, the height of the sliding column 31 can be freely adjusted, the motor 51 drives the driving threaded shaft 53 to rotate in the threaded hole on the connecting block 54, because the threaded shaft 53 is fixed on the motor bracket 52, so the connecting block 54 drives the sliding frame 44 to slide in the sliding way 45 relative to the motor bracket 52 to realize lifting of the bracket, the input end of the motor 51 is electrically connected with the output end of an external power supply through the output end of an external PLC, and the supporting leg 1 reduces pressure to increase the contact area between the bracket and the ground and prevent the sliding frame from sinking in the soft ground. The guard rail 7 protects the safety of workers working on it.

It should be noted that, the motor 51 disclosed in the above embodiment is a servo motor, and the specific model is configured according to the actual usage scenario, and the external PLC controller controls the motor 51 to work by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. An auxiliary installation support for electric power engineering, which is characterized in that: comprises a supporting leg (2), a height adjusting unit (3), a lifting unit (4) and a locking mechanism (6);

landing leg (2): four support legs (2) are arranged, and the support legs are hollow cylinder-shaped;

height adjusting unit (3): the novel bevel gear comprises sliding columns (31), threaded shafts (33), fixing rods (34), first bevel gears (35), second bevel gears (36) and rotating handles (37), wherein the sliding columns (31) are vertically and slidably connected inside the lower ends of the four supporting legs (2) respectively, threaded holes in the middle of the upper ends of the four sliding columns (31) are in threaded connection with the threaded shafts (33) respectively, the two ends of the four fixing rods (34) are fixedly connected to the upper sides of the inner walls of the four supporting legs (2) respectively, the middle of each fixing rod (34) is rotationally connected with the vertical threaded shafts (33) respectively, the tops of the four threaded shafts (33) penetrate through the fixing rods (34) and are fixedly connected with the lower sides of the first bevel gears (35) respectively, the upper end side walls of each supporting leg (2) are rotationally connected with the four rotating handles (37) respectively, one ends of the rotating handles (37) extend to one sides of the inner sides of the supporting legs (2) and are fixedly connected with the second bevel gears (36) respectively, and the first bevel gears (35) are in meshed connection with the second bevel gears (36) respectively;

lifting unit (4): the upper ends of the four supporting legs (2) are provided with a plurality of connecting rods;

locking mechanism (6): four locking mechanisms (6) are respectively connected with the tops of the four threaded shafts (33) and are respectively arranged in the supporting legs (2).

2. An auxiliary installation bracket for electric power engineering according to claim 1, wherein: the height adjusting unit (3) further comprises guide slide ways (32), vertical guide slide ways (32) are respectively arranged on two sides of the four sliding columns (31), vertical guide sliding blocks are respectively arranged on two sides of the inner wall of the four supporting legs (2), and the guide slide ways (32) are in sliding connection with the corresponding guide sliding blocks.

3. An auxiliary installation bracket for electric power engineering according to claim 1, wherein: the lifting unit (4) comprises a supporting plate (41), a fixed supporting frame (42), a fixed frame (43), a sliding frame (44), sliding ways (45), a first connecting rod (46), a second connecting rod (47), a rotating shaft (48) and a lifting supporting plate (49), wherein the upper ends of the four supporting legs (2) are respectively and fixedly connected with four corners of the lower end of the supporting plate (41), the upper part of the supporting plate (41) is fixedly connected with the fixed supporting frame (42), the lifting supporting plate (49) is arranged right above the fixed supporting frame (42), sliding ways (45) are respectively arranged on the four sides of the upper side of the fixed supporting frame (42) and the four sides of the lower side of the lifting supporting plate (49), the same ends of the two sliding ways (45) which correspond up and down are respectively and fixedly connected with the fixed frame (43), the sliding frames (44) are respectively and slidably connected with the two sliding ways (45) which correspond up and down, the first connecting rod (46) and the second connecting rod (47) are arranged between the two sliding ways (45) which correspond up and down, the first connecting rod (46) and the second connecting rod (47) are the same in size, the middle part of the first connecting rod (46) and the second connecting rod (47) is movably connected with the upper end (46) of the upper end and the lower end (46) of the corresponding upper end of the upper end and lower end (46), the upper end of the second connecting rod (47) is movably connected with a fixed frame (43) corresponding to the upper side, and the lower end of the second connecting rod (47) is movably connected with a sliding frame (44) corresponding to the lower side.

4. An auxiliary installation bracket for electric power engineering according to claim 1, wherein: locking mechanism (6) contain ratchet (61), pawl (62), spanner (63), extension spring (64) and fixed block (65), the top of four screw shafts (33) is the middle part of four ratchet (61) of fixed connection respectively, the rectangle through-hole that one side of four landing leg (2) upper ends was seted up is the middle part through four pawls (62) of vertical dwang swing joint respectively, four pawls (62) respectively with the periphery side contact of ratchet (61), the afterbody of four pawls (62) is the middle part of four spanner (63) of fixed connection respectively, the one end of four spanner (63) is the one end of fixed connection extension spring (64) respectively, the one end of fixed block (65) that one end of extension spring (64) is the fixed connection landing leg (2) side setting respectively.

5. A power engineering auxiliary mounting bracket according to claim 3, wherein: still include actuating mechanism (5), actuating mechanism (5) are equipped with four, and actuating mechanism (5) contain motor (51), motor support (52), drive screw axle (53) and connecting block (54) respectively, the inboard four sides of backup pad (41) are provided with motor support (52) respectively, be provided with motor (51) on motor support (52) respectively, the one end of fixed connection drive screw axle (53) respectively is output shaft of motor (51), connecting block (54) are equipped with four, and one side of connecting block (54) is fixed connection with one side of carriage (44) respectively, the other end of drive screw axle (53) is connected with the screw hole threaded connection of seting up at connecting block (54) middle part respectively, the input of motor (51) is connected with external power source's output electricity through outside PLC controller respectively.

6. A power engineering auxiliary mounting bracket according to claim 3, wherein: the lifting support comprises four sliding columns (31), and is characterized by further comprising support legs (1) and guardrails (7), wherein the support legs (1) are provided with four sliding columns, the lower ends of the four sliding columns (31) are fixedly connected with the upper sides of the support legs (1) respectively, and the upper ends of the lifting support plates (49) are fixedly connected with the lower sides of the guardrails (7).

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