CN108892076B - Building electrical construction fixed knot constructs - Google Patents

Abstract

The invention discloses a building electrical construction fixing structure, and relates to the technical field of electrical construction and installation. Including the backup pad, backup pad top one side sets up the fixed plate, set up the spout on the backup pad roof, set up the slider in the spout, the slider top sets up the sliding plate, sliding plate one side sets up the head rod, set up the second connecting rod in the backup pad, set up first extension spring between second connecting rod and the head rod, the backup pad bottom sets up the slide bar, the dead lever is established to slide bar bottom cover, the dead lever is hollow pole, set up elevating gear in the dead lever, dead lever one side sets up the carriage, carriage bottom and dead lever bottom parallel and level, it is articulated between pole one end and the dead lever, set up the draw-in groove on the carriage, set up the third connecting rod on the regulation pole, set up the fourth connecting rod. The invention has the beneficial effects that: the invention reduces the labor intensity of installation personnel and improves the stability of the electric meter box during installation.

Description

A kind of building electrical construction fixed structure

technical field

The invention mainly relates to the technical field of electrical construction and installation, in particular to a fixed structure for electrical construction of buildings.

Background technique

In construction engineering, it is often necessary to install various electrical devices on the building wall, such as various electrical control boxes. The small structure of the meter box is generally installed on the corner wall of the corridor. Due to the narrow location, it is usually completed by two or more people. It is assisted by a simple small ladder and other tools. It is not only time-consuming and labor-intensive, but also the meter box to be installed is easily shaken by manpower, and the fixing is not reliable.

SUMMARY OF THE INVENTION

In order to solve the deficiencies of the prior art, the present invention provides a building electrical construction fixing structure, which not only occupies a small space and is suitable for corridor operations, but also reduces the labor intensity of the installer and improves the stability of the meter box during installation.

The present invention is achieved by the following technical solutions in order to achieve the above object:

A building electrical construction fixing structure comprises a support plate, a fixing plate is arranged on one side of the top of the support plate, a chute is arranged on the top wall of the support plate, a slider is arranged in the slot, and a sliding block is arranged at the top of the slider The sliding plate and the supporting plate are slidably connected by a slider and a chute, a first connecting rod is arranged on one side of the sliding plate, a second connecting rod is arranged on the supporting plate, and the second connecting rod is A first tension spring is arranged between the first connecting rods, the second connecting rod and the first connecting rod are both hinged with the first tension spring, and the fixed plate and the sliding plate are on the opposite side of the first tension spring. It is located in the support plate, the bottom of the support plate is provided with a sliding rod, the bottom end of the sliding rod is sleeved with a fixed rod, the fixed rod is a hollow rod, and a lifting device is arranged in the fixed rod, and the lifting device is connected to the bottom of the sliding rod. A support frame is arranged on one side of the fixed rod, the bottom of the support frame is flush with the bottom end of the fixed rod, an adjustment rod is set on the fixed rod, and one end of the adjustment rod is hinged with the fixed rod. A card slot is arranged on the support frame, the card slot is adapted to the position of the adjusting rod, a third connecting rod is arranged on the adjusting rod, and a fourth connecting rod is arranged on the fixing rod. A second tension spring is arranged between the connecting rods, the fourth connecting rod and the third connecting rod are hinged with the second tension spring, and a roller is set at one end of the adjusting rod away from the fixed rod. When in a vertical state, the adjusting rod and the supporting frame are arranged opposite to each other with the fixing rod as the center.

The lifting device includes a rotating rod, a through hole is arranged on the fixed rod, one end of the rotating rod passes through the through hole and is located inside the fixed rod, and a first bevel gear is sleeved on the rotating rod, and the first bevel gear is mounted on the first bevel gear. A second bevel gear is arranged, a first screw is arranged in the center hole of the second bevel gear, a first nut is installed on the first screw, the first nut is a cylindrical nut, and one side of the first nut is arranged a first guide rod, the end of the first guide rod away from the first nut is provided with a first sliding block, the inner wall of the fixing rod is provided with a first sliding rail, the first sliding rail is adapted to the first sliding block, the The top end of the first nut is provided with a first connecting plate, and the first connecting plate is fixedly connected with the bottom end of the sliding rod.

The lifting device includes a motor, the motor is fixedly connected with the bottom wall of the fixing rod, a coupling is arranged on the output shaft of the motor, and a second screw is arranged at one end of the coupling away from the output shaft of the motor, and the second screw is A second nut is installed on the top, the second nut is a cylindrical nut, a second guide rod is set on one side of the second nut, and a second slider is set on the end of the second guide rod away from the second nut, and the fixed rod A second sliding rail is arranged on the inner wall, the second sliding rail is adapted to the second sliding block, a second connecting plate is arranged at the top end of the second nut, and the second connecting plate is fixedly connected with the bottom end of the sliding rod.

A bearing is arranged on the inner wall of the fixed rod, and the end of the rotating rod is located in the bearing.

An adjustment button is provided at the outer end of the rotating rod at the outer end of the fixed rod.

A stopper is arranged on the support plate, and the stopper is located at one end of the chute away from the fixing plate.

An opening is provided on the support frame.

Compared with the prior art, the beneficial effects of the present invention are:

1. In the present invention, the sliding plate slides in the chute and cooperates with the fixing plate to fix the performance that needs to be installed. Then, under the action of the roller and the lifting device, the position of the meter box is adjusted to install and fix the meter box. , which not only reduces the labor intensity of the installation personnel, but also improves the stability of the meter box when it is to be installed.

2. The present invention adopts the rotating rod to manually adjust the lifting and lowering of the sliding rod, and the adjustment is flexible and the manufacturing cost is low.

3. The present invention adopts the rotation of the motor to adjust the lifting and lowering of the sliding rod, the operation is simple, and the labor intensity of the installation personnel is reduced.

4. The rotating rod is located in the bearing, which enhances the rotation stability of the rotating rod, thereby improving the stability of the position adjustment when the sliding rod is lifted and lowered.

5. The adjustment button is convenient for the installer to control and adjust the rotating rod.

6. The stopper acts as a limit on the sliding plate, preventing the sliding plate from sliding out of the supporting plate, and at the same time protecting the first tension spring.

7. The opening not only reduces the weight of the support frame and is easy to carry, but also can flexibly press heavy objects such as stones at the opening position to increase the stability of the support frame when it is supported.

Description of drawings

1 is a schematic structural diagram of a front view of Embodiment 1 of the present invention;

Accompanying drawing 2 is the structural schematic diagram of the partial top view of the support plate of the present invention;

Accompanying drawing 3 is the structural schematic diagram of the top view of the supporting frame part of the present invention;

4 is a schematic diagram of the internal structure of the fixing rod in Embodiment 1 of the present invention;

FIG. 5 is a schematic diagram of the internal structure of the fixing rod in Embodiment 2 of the present invention.

Symbols shown in the drawings: 1, support plate; 2, fixed plate; 3, chute; 4, sliding plate; 5, first connecting rod; 6, second connecting rod; 7, first tension spring; 8 , sliding rod; 9, fixed rod; 10, support frame; 11, adjusting rod; 12, card slot; 13, third connecting rod; 14, fourth connecting rod; 15, second tension spring; 16, roller; 17, rotating rod; 18, through hole; 19, first bevel gear; 20, second bevel gear; 21, first screw; 22, first nut; 23, first guide rod; 24, first slider; 25, the first slide rail; 26, the first connecting plate; 27, the motor; 28, the coupling; 29, the second screw rod; 30, the second nut; 31, the second guide rod; 32, the second slider; 33, the second slide rail; 34, the second connecting plate; 35, the bearing; 36, the adjustment knob; 37, the stop; 38, the opening.

Detailed ways

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the teaching content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the present application.

The standard parts used in the present invention can be purchased from the market, the special-shaped parts can be customized according to the description in the description and the drawings, and the specific connection methods of each part are all mature bolts, rivets, welding in the prior art. , pasting and other conventional means, the circuit connections used are all conventional models in the prior art, and will not be described in detail here.

A building electrical construction fixing structure includes a support plate 1, a fixing plate 2 is arranged on one side of the top of the support plate 1, a chute 3 is arranged on the top wall of the support plate 1, and a slider is arranged in the chute 3, so the A sliding plate 4 is arranged at the top of the slider, which is not shown in the drawings. As shown in Figures 1 and 2, the slider slides in the chute, thereby driving the sliding plate to slide, and under the action of the first tension spring It can effectively fix the meter box to be installed. The sliding plate 4 and the supporting plate 1 are slidably connected by the sliding block and the chute 3. A first connecting rod 5 is arranged on one side of the sliding plate 4, and a second connecting rod 6 is arranged on the supporting plate 1. A first tension spring 7 is arranged between the second connecting rod 6 and the first connecting rod 5, and both the second connecting rod 6 and the first connecting rod 5 are hinged with the first tension spring 7, and the fixing plate 2 and the The opposite sides of the sliding plate 4 and the first tension spring 7 are located in the supporting plate 1. As shown in FIG. 2, the ends of the fixed plate and the sliding plate do not protrude out of the supporting plate. When the fixed plate and the sliding plate are fixed After the meter box is installed, the end of the meter box and the end of the support plate can be aligned with the wall at the same time to ensure that the support plate can keep the meter box stable during the process of fixing the meter box to the wall. A sliding rod 8 is set at the bottom of the support plate 1, and a fixed rod 9 is sleeved at the bottom end of the sliding rod 8. The fixed rod 9 is a hollow rod, and a lifting device is arranged in the fixed rod 9. The lifting device and the sliding rod 8. The bottom ends are connected, a support frame 10 is arranged on one side of the fixing rod 9, the bottom of the supporting frame 10 is flush with the bottom end of the fixing rod 9, an adjusting rod 11 is arranged on the fixing rod 9, and one end of the adjusting rod 11 is It is hinged with the fixing rod 9, the support frame 10 is provided with a card slot 12, the card slot 12 is adapted to the position of the adjusting rod 11, the adjusting rod 11 is provided with a third connecting rod 13, the third connecting rod The length of the connecting rod can be greater than the length of the fourth connecting rod, which is used to control the adjusting rod. The installer can make the adjusting rod be located in and out of the groove by pedaling the third connecting rod, so as to achieve the corresponding purpose. Under the action of the two tension springs, it is ensured that the adjustment rod can maintain a stable state when it is separated from the card slot, so as to avoid interference with the support of the support frame, and reduce the inconvenience of use and the occupation of space. A fourth connecting rod 14 is arranged on the fixing rod 9, a second tension spring 15 is arranged between the third connecting rod 13 and the fourth connecting rod 14, and both the fourth connecting rod 14 and the third connecting rod 13 are Hinged with the second tension spring 15, the adjusting rod 11 is provided with a roller 16 at one end away from the fixed rod 9. When the adjusting rod 11 and the fixed rod 9 are in a vertical state, the adjusting rod 11 and the supporting frame 10 are connected to the fixed rod. 9 is the center relative setting. As shown in Figure 1, the support frame is flush with the bottom end of the fixing rod, so that the support frame supports the device as a whole. When in use, it is located at the stair position of the corridor, making reasonable use of space and reducing the occupation of space. In the invention, the sliding plate slides in the chute and cooperates with the fixing plate to fix the performance that needs to be installed. Then, under the action of the roller and the lifting device, the position of the electric meter box is adjusted, and the electric meter box is installed and fixed, not only The labor intensity of the installation personnel is reduced, and the stability of the meter box to be installed is improved.

As an optimization, the lifting device includes a rotating rod 17 , a through hole 18 is formed on the fixed rod 9 , one end of the rotating rod 17 passes through the through hole 18 and is located inside the fixed rod 9 , and the rotating rod 17 is sleeved with a first Bevel gear 19, a second bevel gear 20 is arranged on the first bevel gear 19, a first screw 21 is arranged in the center hole of the second bevel gear 20, and a first nut 22 is installed on the first screw 21, so The first nut 22 is a cylindrical nut. As shown in Figures 4 and 5, the nut is a long cylindrical nut, so that the lifting range of the nut is large, which is suitable for the position of the support plate and the meter box in the device. Make adjustments. A first guide rod 23 is provided on one side of the first nut 22, a first sliding block 24 is provided on one end of the first guide rod 23 away from the first nut 22, and a first sliding rail 25 is provided on the inner wall of the fixing rod 9, so The first sliding rail 25 is adapted to the first sliding block 24 , the top end of the first nut 22 is provided with a first connecting plate 26 , and the first connecting plate 26 is fixedly connected with the bottom end of the sliding rod 8 . The invention adopts the rotating rod to manually adjust the lifting and lowering of the sliding rod, and the adjustment is flexible and the manufacturing cost is low.

As an optimization, the lifting device includes a motor 27, and the motor can perform forward and reverse rotation. In an embodiment of the present invention, the motor adopts a Yaskawa servo motor. The motor 27 is fixedly connected to the bottom wall of the fixing rod 9, and a coupling 28 is provided on the output shaft of the motor 27. In an embodiment of the present invention, the coupling adopts a plum-blossom coupling. A second screw 29 is provided at one end of the coupling 28 away from the output shaft of the motor 27 , and a second nut 30 is mounted on the second screw 29 , the second nut 30 is a cylindrical nut, and one side of the second nut 30 is A second guide rod 31 is provided, and a second slide block 32 is provided at one end of the second guide rod 31 away from the second nut 30 , and a second slide rail 33 is provided on the inner wall of the fixing rod 9 . The two sliding blocks 32 are adapted to each other. The top end of the second nut 30 is provided with a second connecting plate 34 , and the second connecting plate 34 is fixedly connected to the bottom end of the sliding rod 8 . The invention adopts the rotation of the motor to adjust the lifting and lowering of the sliding rod, the operation is simple, and the labor intensity of the installation personnel is reduced.

In order to improve the rotation stability of the rotating rod, a bearing 35 is provided on the inner wall of the fixed rod 9 , and the end of the rotating rod 17 is located in the bearing 35 . The rotating rod is located in the bearing, which enhances the rotation stability of the rotating rod, thereby improving the stability of the position adjustment when the sliding rod is raised and lowered.

As an optimization, an adjustment button 36 is provided at the outer end of the rotating rod 17 at the outer end of the fixed rod 9 . The adjustment knob allows the installer to control the adjustment of the swivel lever.

As an optimization, a stopper 37 is provided on the support plate 1 , and the stopper 37 is located at one end of the chute 3 away from the fixing plate 2 . The stopper acts as a limit on the sliding plate, prevents the sliding plate from sliding out of the support plate, and at the same time protects the first tension spring.

As an optimization, the support frame 10 is provided with an opening 38 . As shown in FIG. 3 , heavy objects such as stones and sandbags can be flexibly inserted or pressed at the opening to improve the stability of the device and strengthen the support force of the support frame. The opening not only reduces the weight of the support frame and is easy to carry, but also can flexibly press heavy objects such as stones at the opening position to increase the stability of the support frame when it is supported.

Instructions:

When the present invention is in use, first carry the device to the stairway where the electric meter box needs to be installed, the adjusting rod is located in the card slot, then the sliding plate is slid, the electric meter box is placed at the position of the fixed plate, and then the sliding plate is released, and then the sliding plate is released. Under the action of a tension spring, the sliding plate is in contact with the meter box, and the sliding plate and the fixed plate cooperate with each other to fix the meter box, and then move the meter box under the action of the roller. Then, under the action of the lifting device, adjust the meter box to an appropriate height, and then drill and fix it. After fixing, slide the sliding plate, lower the lifting device, and then place the adjusting rod in the card slot to move, and then install the meter box. The whole installation process only needs one installer, or another assistant. In addition, the labor intensity of auxiliary personnel is reduced compared to holding the meter box. During the installation process, the meter box can be kept stable under the action of the support plate, which improves the installation quality and makes it more stable and reliable.

This device is also suitable for other types of small electrical cabinets that can be installed at low altitudes in narrow spaces.

Example 1:

A building electrical construction fixing structure includes a support plate 1, a fixing plate 2 is arranged on one side of the top of the support plate 1, a chute 3 is arranged on the top wall of the support plate 1, and a slider is arranged in the chute 3, so the A sliding plate 4 is arranged at the top of the slider, and the sliding plate 4 and the supporting plate 1 are slidably connected by the slider and the chute 3. A first connecting rod 5 is arranged on one side of the sliding plate 4. A second connecting rod 6 is provided, and a first tension spring 7 is arranged between the second connecting rod 6 and the first connecting rod 5, and both the second connecting rod 6 and the first connecting rod 5 are connected with the first tension spring 7 is hinged, the fixed plate 2 and the sliding plate 4 are located in the supporting plate 1 on the opposite side of the first tension spring 7, the bottom of the supporting plate 1 is provided with a sliding rod 8, and the bottom end of the sliding rod 8 is sleeved and fixed Rod 9, the fixed rod 9 is a hollow rod, a lifting device is arranged in the fixed rod 9, the lifting device is connected with the bottom end of the sliding rod 8, a support frame 10 is provided on one side of the fixed rod 9, and the support The bottom of the frame 10 is flush with the bottom end of the fixing rod 9. The fixing rod 9 is provided with an adjusting rod 11, and one end of the adjusting rod 11 is hinged with the fixing rod 9. The supporting frame 10 is provided with a card slot 12. The slot 12 is adapted to the position of the adjusting rod 11 , the adjusting rod 11 is provided with a third connecting rod 13 , the fixing rod 9 is provided with a fourth connecting rod 14 , and the third connecting rod 13 is connected with the fourth connecting rod A second tension spring 15 is arranged between the 14, the fourth connecting rod 14 and the third connecting rod 13 are hinged with the second tension spring 15, and both ends of the first tension spring and the second tension spring can be hooks It is hung on the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod. In this embodiment, the two ends of the first tension spring are annular, and are respectively sleeved on the first connecting rod. and the second connecting rod; both ends of the second tension spring are annular, and are respectively sleeved on the third connecting rod and the fourth connecting rod to achieve the purpose of hinged connection. A roller 16 is disposed at one end of the adjustment rod 11 away from the fixed rod 9 . When the adjustment rod 11 and the fixed rod 9 are in a vertical state, the adjustment rod 11 and the support frame 10 are oppositely arranged around the fixed rod 9 . In the invention, the sliding plate slides in the chute and cooperates with the fixing plate to fix the performance that needs to be installed. Then, under the action of the roller and the lifting device, the position of the electric meter box is adjusted, and the electric meter box is installed and fixed, not only The labor intensity of the installation personnel is reduced, and the stability of the meter box to be installed is improved. The lifting device includes a rotating rod 17 , a through hole 18 is formed on the fixed rod 9 , one end of the rotating rod 17 is located inside the fixed rod 9 through the through hole 18 , and a first bevel gear 19 is sleeved on the rotating rod 17 . , a second bevel gear 20 is arranged on the first bevel gear 19, a first screw 21 is arranged in the center hole of the second bevel gear 20, a first nut 22 is installed on the first screw 21, and the first screw The nut 22 is a cylindrical nut, a first guide rod 23 is provided on one side of the first nut 22 , a first slider 24 is provided on the end of the first guide rod 23 away from the first nut 22 , and the inner wall of the fixing rod 9 is provided The first sliding rail 25, the first sliding rail 25 is adapted to the first sliding block 24, the first connecting plate 26 is provided at the top of the first nut 22, and the first connecting plate 26 is fixed with the bottom end of the sliding rod 8 connect. The invention adopts the rotating rod to manually adjust the lifting and lowering of the sliding rod, and the adjustment is flexible and the manufacturing cost is low. A bearing 35 is provided on the inner wall of the fixed rod 9 , and the end of the rotating rod 17 is located in the bearing 35 . The rotating rod is located in the bearing, which enhances the rotation stability of the rotating rod, thereby improving the stability of the position adjustment when the sliding rod is raised and lowered. An adjustment button 36 is provided at the outer end of the rotating rod 17 at the outer end of the fixed rod 9 . The adjustment knob allows the installer to control the adjustment of the swivel lever. A stopper 37 is provided on the support plate 1 , and the stopper 37 is located at one end of the chute 3 away from the fixing plate 2 . The stopper acts as a limit on the sliding plate, prevents the sliding plate from sliding out of the support plate, and at the same time protects the first tension spring. An opening 38 is provided on the support frame 10 . The opening not only reduces the weight of the support frame and is easy to carry, but also can flexibly press heavy objects such as stones at the opening position to increase the stability of the support frame when it is supported.

Example 2:

In this embodiment, on the basis of Embodiment 1, the lifting device is replaced by a motor 27, the motor 27 is fixedly connected to the bottom wall of the fixing rod 9, and a coupling 28 is provided on the output shaft of the motor 27, and the coupling A second screw 29 is arranged at one end of the shaft 28 away from the output shaft of the motor 27, and a second nut 30 is installed on the second screw 29. The second nut 30 is a cylindrical nut, and a second nut 30 is arranged on one side. A guide rod 31, a second sliding block 32 is provided at one end of the second guide rod 31 away from the second nut 30, a second sliding rail 33 is provided on the inner wall of the fixing rod 9, and the second sliding rail 33 is connected with the second sliding block. 32, the top end of the second nut 30 is provided with a second connecting plate 34, and the second connecting plate 34 is fixedly connected with the bottom end of the sliding rod 8. The beneficial effect of this embodiment is that the present invention adopts the rotation of the motor to adjust the lifting and lowering of the sliding rod, the operation is simple, and the labor intensity of the installer is reduced.

Example 3:

In this embodiment, on the basis of Embodiment 1, the first bevel gear on the rotating rod is replaced with a spur gear, and the second bevel gear, the first screw rod, the first nut, the first slider, and the first slide rail are removed. and other structures, one side of the spur gear is provided with a spur rack, the top of the spur rack is directly connected with the sliding rod, and the sliding rod can be moved up and down through the rack and pinion structure.

Claims (7)

1. A building electrical construction fixing structure, comprising a support plate (1), characterized in that: a fixed plate (2) is provided on one side of the top of the support plate (1), and a sliding plate (2) is provided on the top wall of the support plate (1). A slot (3), a slider is arranged in the chute (3), a sliding plate (4) is arranged at the top of the slider, and the slider and the chute pass between the sliding plate (4) and the support plate (1). (3) Sliding connection, a first connecting rod (5) is provided on one side of the sliding plate (4), a second connecting rod (6) is provided on the supporting plate (1), and the second connecting rod (6) A first tension spring (7) is arranged between the first connection rod (5), the second connection rod (6) and the first connection rod (5) are hinged with the first extension spring (7), so The fixed plate (2) and the sliding plate (4) are located in the support plate (1) on the opposite side of the first tension spring (7), and the bottom of the support plate (1) is provided with a sliding rod (8), and the The bottom end of the sliding rod (8) is sleeved with a fixing rod (9), the fixing rod (9) is a hollow rod, a lifting device is arranged in the fixing rod (9), and the lifting device is connected to the bottom end of the sliding rod (8). Connected, a support frame (10) is arranged on one side of the fixing rod (9), the bottom of the supporting frame (10) is flush with the bottom end of the fixing rod (9), and an adjusting rod ( 11), one end of the adjusting rod (11) is hinged with the fixing rod (9), the supporting frame (10) is provided with a card slot (12), the card groove (12) and the adjusting rod (11) The positions are adapted, a third connecting rod (13) is set on the adjusting rod (11), a fourth connecting rod (14) is set on the fixing rod (9), and the third connecting rod (13) is connected with the fourth connecting rod (13). A second tension spring (15) is arranged between the connecting rods (14), the fourth connecting rod (14) and the third connecting rod (13) are both hinged with the second tension spring (15), and the adjusting rod (11) A roller (16) is arranged at one end away from the fixing rod (9). When the adjusting rod (11) and the fixing rod (9) are in a vertical state, the adjusting rod (11) and the supporting frame (10) are fixed to each other. The rod (9) is arranged opposite to the center. 2. A building electrical construction fixing structure according to claim 1, characterized in that: the lifting device comprises a rotating rod (17), a through hole (18) is provided on the fixing rod (9), and the rotating rod (9) is provided with a through hole (18). One end of the rod (17) is located inside the fixed rod (9) through the through hole (18), a first bevel gear (19) is sleeved on the rotating rod (17), and a first bevel gear (19) is provided on the Two bevel gears (20), a first screw (21) is arranged in the center hole of the second bevel gear (20), a first nut (22) is installed on the first screw (21), and the first nut (22) is a cylindrical nut, a first guide rod (23) is provided on one side of the first nut (22), and a first slider (23) is provided on one end of the first guide rod (23) away from the first nut (22). 24), a first sliding rail (25) is arranged on the inner wall of the fixing rod (9), the first sliding rail (25) is adapted to the first sliding block (24), and the top end of the first nut (22) A first connecting plate (26) is provided, and the first connecting plate (26) is fixedly connected with the bottom end of the sliding rod (8). 3. A building electrical construction fixing structure according to claim 1, characterized in that: the lifting device comprises a motor (27), and the motor (27) is fixedly connected to the bottom wall of the fixing rod (9), and the A coupling (28) is provided on the output shaft of the motor (27), and a second screw (29) is provided at one end of the coupling (28) away from the output shaft of the motor (27), and is mounted on the second screw (29). A second nut (30), the second nut (30) is a cylindrical nut, a second guide rod (31) is provided on one side of the second nut (30), and the second guide rod (31) is away from the first A second sliding block (32) is provided at one end of the two nuts (30), a second sliding rail (33) is provided on the inner wall of the fixing rod (9), and the second sliding rail (33) is connected to the second sliding block (32) Correspondingly, a second connecting plate (34) is provided at the top of the second nut (30), and the second connecting plate (34) is fixedly connected with the bottom end of the sliding rod (8). 4. A building electrical construction fixing structure according to claim 2, characterized in that: a bearing (35) is provided on the inner wall of the fixing rod (9), and the end of the rotating rod (17) is located in the bearing (35) Inside. 5. A building electrical construction fixing structure according to claim 2, characterized in that: an adjusting button (36) is provided at the outer end of the rotating rod (17) at the outer end of the fixing rod (9). 6. A building electrical construction fixing structure according to claim 1, characterized in that: a stopper (37) is provided on the support plate (1), and the stopper (37) is located in the chute (3) away from One end of the fixing plate (2). 7. A building electrical construction fixing structure according to claim 1, characterized in that: an opening (38) is provided on the support frame (10).

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