Illuminating lamp device

Abstract

The invention discloses an illumination lamp device which comprises a lamp main supporting column, the lamp main supporting column is a hollow column, and a middle cavity extending vertically is formed in the lamp main supporting column; a lifting mechanism is installed in the lamp main supporting column, a lifting block is connected to a vertical screw of the lifting mechanism in a screwed mode, a plurality of transverse connecting rods are fixed to the edge of the top face of the lifting block, and the outer portions of the transverse connecting rods are inserted into corresponding vertical guide through grooves formed in a side plate of the lamp main supporting column in a sleeved mode. The lighting device is installed on the periphery of the upper portion of a lamp main supporting column, and a lighting lamp body does not need to be placed beside a seat placed on the ground around the lamp main supporting column, so that the lighting device does not occupy the space on the ground and is not prone to being affected by misoperation such as kicking over, and normal use is guaranteed. And a plurality of illuminating lamp bodies can be used for centralized illumination or dispersed illumination according to needs, so that different use needs are met, and the use effect is good.

Description

Technical field:

[0001] The present invention relates to the technical field of lighting equipment, and more particularly to a lighting fixture device. Background technology:

[0002] In existing lighting equipment, such as some libraries or some large living rooms, there are multiple seats for people to sit on and read books. Some seats are arranged around the central column and are illuminated by the lighting body on the top of the house, and the lighting effect is limited. Reading lights are set next to the seats, which also take up too much space. When people walk around, it is easy to kick over the lamp body and other misoperations, and the use effect is limited. Summary of the invention:

[0003] The purpose of the present invention is to provide a lighting fixture device to address the deficiencies of the prior art. The device is installed around the upper part of the main support column of the lamp. There is no need to place the lighting lamp body on the side of the seats placed on the ground around the main support column of the lamp, so that it does not occupy space on the ground and is not easily affected by misoperation such as being kicked over, thereby ensuring normal use. Moreover, multiple lighting lamp bodies can be used for concentrated lighting or dispersed lighting as needed to meet different usage needs and have good use effects.

[0004] The technical solutions of the present invention are as follows:

[0005] A lighting fixture device comprises a main support column of the lighting fixture, wherein the main support column of the lighting fixture is a hollow column, and a vertically extending middle cavity is formed inside the main support column;

[0006] A lifting mechanism is installed in the main support column of the lamp, a lifting block is screwed on the vertical screw of the lifting mechanism, a plurality of transverse connecting rods are fixed to the edge of the top surface of the lifting block, the outer ends of the transverse connecting rods are inserted into the corresponding vertical guide grooves formed on the side panels of the main support column of the lamp, the outer ends of all the transverse connecting rods are fixed in the same outer annular sleeve, the main support column of the lamp is inserted into the outer annular sleeve, and the inner side wall of the outer annular sleeve is close to or close to the upper outer side wall of the main support column of the lamp;

[0007] An annular guide rail seat is fixed on the outer wall of the outer annular sleeve, an annular gear ring is installed on the upper part of the annular guide rail seat, a plurality of lamp body connecting frames are installed on the annular guide rail of the annular guide rail seat, a servo drive motor is fixed on the lamp body connecting frame, a drive gear is fixed on the output shaft of the servo drive motor, and the drive gear is meshed with the annular gear ring;

[0008] The lower part of the lamp body connecting frame is equipped with a lighting lamp body.

[0009] A radially extending annular portion is formed on the lower outer side wall of the annular guide rail seat, and an annular guide rail is fixed on the outer side of the annular portion;

[0010] The annular guide rail comprises an annular connecting portion, and an annular guiding portion with a circular cross section is formed on the outer side wall of the annular connecting portion.

[0011] The lamp body connecting frame includes a side vertical plate, a horizontal connecting plate is fixed to the bottom end of the side vertical plate, an upper horizontal connecting plate is fixed to the top of the side vertical plate, an upper clamping guide block and a lower clamping guide block are fixed on the inner side wall of the side vertical plate, an upper arc-shaped groove is formed in the middle of the bottom surface of the upper clamping guide block, and a lower arc-shaped groove is formed in the middle of the top surface of the lower clamping guide block, the annular guide portion is located between the upper arc-shaped groove and the lower arc-shaped groove, and its outer side wall cooperates with the upper arc-shaped groove and the lower arc-shaped groove.

[0012] A wear-resistant self-lubricating layer is fixed on the inner side walls of the upper arc-shaped groove and the lower arc-shaped groove, and the outer wall surface of the wear-resistant self-lubricating layer is in close contact with the outer wall surface of the annular guide part.

[0013] A servo drive motor is fixed on the top surface of the upper horizontal connecting plate, and the bottom end of the output shaft of the servo drive motor extends out of the bottom surface of the upper horizontal connecting plate and is fixed with a drive gear, which is meshed with the annular gear ring.

[0014] Two upper clamping guide blocks and a lower clamping guide block are fixed on the inner wall of the side vertical plate, a lower clamping guide block is provided under each upper clamping guide block, and two upper and lower corresponding annular guide rails are fixed on the outer side of the annular part, each annular guide part is located between the corresponding upper arc groove and lower arc groove, and its outer side wall cooperates with the upper arc groove and the lower arc groove.

[0015] The bottom surface of the horizontal connecting plate is provided with a lighting lamp body.

[0016] The lifting mechanism includes a vertical lifting screw, a vertical lifting screw and a central fixed plate are inserted in the central cavity of the main support column of the lamp, the outer wall of the central fixed plate is fixed to the central inner wall of the central cavity, the bottom of the vertical lifting screw is movably connected to the middle fixed plate through a bearing, the top of the vertical lifting screw is movably connected to the bottom surface of the top plate of the main support column of the lamp through a bearing, the lifting block is screwed on the vertical lifting screw, and a lifting servo motor is fixed to the bottom surface of the central fixed plate, and the lifting servo motor drives the vertical lifting screw to rotate.

[0017] A self-lubricating wear-resistant sheet is fixed on the side wall of the outer end of the transverse connecting rod facing the inner wall of the corresponding vertical guide slot, and the outer side wall of the self-lubricating wear-resistant sheet is in close contact with the inner side wall of the corresponding vertical guide slot.

[0018] An outer annular cover shell is fixed on the upper outer side wall of the outer annular sleeve, and components such as a lamp body connecting frame and an annular guide rail seat are located in the outer annular cover shell.

[0019] Vertical plates are fixed to the front and rear bottom surfaces of the bottom surfaces of the horizontal connecting plates on the left and right sides, and vertical plates are fixed to the left and right parts of the bottom surfaces of the horizontal connecting plates on the front and rear sides. Both ends of the rotating shaft are movably connected to the corresponding two vertical plates through bearings. A flip adjustment servo motor is fixed to the outer wall of one of the vertical plates. The output shaft of the flip adjustment servo motor is a spline shaft, which is inserted into the spline hole at one end of the rotating shaft. The rotating block is fixed on the rotating shaft. The rotating block is located between the corresponding two vertical plates, and the bottom surface of the rotating block is fixed with a lighting lamp body.

[0020] An upper annular block and a lower annular block are fixed on the outer side walls of the upper and lower parts of the outer annular sleeve respectively; the upper annular block and the lower annular block are both insulating blocks.

[0021] The bottom surface of the upper annular block is formed with two concentrically arranged upper annular grooves, and the upper positive annular ring and the upper negative annular ring are inserted into the corresponding upper annular grooves and fixed on the upper annular block;

[0022] The top surface of the lower annular block is formed with two concentrically arranged lower annular grooves, and the lower positive annular ring and the lower negative annular ring are inserted into the corresponding lower annular grooves and fixed on the lower annular block.

[0023] An upper connecting frame is fixed to the top surface of the inner side of the upper horizontal connecting plate, and the upper connecting frame is an insulating part. Two buffer springs are fixed to the top surface of the horizontal block of the upper connecting frame. Conductive blocks are fixed to the top ends of the two buffer springs. Graphite blocks are fixed to the top surfaces of the conductive blocks. The top surfaces of the graphite blocks are pressed against the bottom surfaces of the corresponding upper positive annular rings or upper negative annular rings.

[0024] A lower connecting frame is fixed to the bottom surface of the inner end of the horizontal connecting plate, and the lower connecting frame is an insulating member. Two buffer springs are fixed to the bottom surface of the horizontal block of the lower connecting frame, and a lower conductive block is fixed to the bottom ends of the two buffer springs. A lower graphite block is fixed to the bottom surface of the lower conductive block, and the bottom surface of the lower graphite block is pressed against the top surface of the corresponding lower positive annular ring or lower negative annular ring.

[0025] The positive and negative terminals of the servo drive motor are electrically connected to the corresponding two conductive blocks through electrical connecting wires.

[0026] The positive and negative terminals of the flip adjustment servo motor and the lighting lamp body are electrically connected to the corresponding two lower conductive blocks through electrical connecting wires.

[0027] The beneficial effects of the present invention are:

[0028] It is installed around the upper part of the main support column of the lamp. There is no need to place the lighting lamp body on the side of the seat placed on the ground around the main support column of the lamp, so that it does not occupy space on the ground and is not easily affected by misoperation such as kicking over, ensuring normal use. Moreover, it can concentrate lighting with multiple lighting lamp bodies as needed or perform dispersed lighting to meet different usage needs and have good use effect. Description of the drawings:

[0029] Figure 1 It is a schematic diagram of the local structure of the present invention;

[0030] Figure 2 for Figure 1 A partial enlarged view of

[0031] Figure 3 for Figure 2 A partial enlarged view of

[0032] Figure 4 for Figure 2 a partial enlarged view of another part;

[0033] Figure 5 It is a partial cross-sectional view of the upper part of the main support column of the lamp of the present invention;

[0034] Figure 6 It is a partial cross-sectional view of the middle part of the present invention;

[0035] Figure 7 Schematic diagram of the local structure of the flip adjustment servo motor. Specific implementation method:

[0036] Example: See Figures 1 to 7 As shown, a lighting fixture device includes a main support column 10 of the lighting fixture. The main support column 10 of the lighting fixture is a hollow column with a vertically extending middle cavity formed inside; and its bottom is fixed on the ground.

[0037] A lifting mechanism 20 is installed in the main support column 10 of the lamp, and a lifting block 22 is screwed on the vertical screw 21 of the lifting mechanism 20, and a plurality of transverse connecting rods 23 are fixed to the edge of the top surface of the lifting block 22. The outer ends of the transverse connecting rods 23 are inserted into the corresponding vertical guide grooves 11 formed on the side panels of the main support column 10 of the lamp, and the outer ends of all the transverse connecting rods 23 are fixed in the same outer annular sleeve 13, and the main support column 10 of the lamp is inserted into the outer annular sleeve 13, and the inner side wall of the outer annular sleeve 13 is close to or close to the upper outer side wall of the main support column 10 of the lamp;

[0038] An annular guide rail seat 12 is fixed on the outer wall of the outer annular sleeve 13, an annular gear ring 130 is installed on the upper part of the annular guide rail seat 12, a plurality of lamp body connecting frames 30 are installed on the annular guide rail 121 of the annular guide rail seat 12, a servo drive motor 31 is fixed on the lamp body connecting frame 30, a drive gear 32 is fixed on the output shaft of the servo drive motor 31, and the drive gear 32 is meshed with the annular gear ring 130;

[0039] The lighting lamp body 40 is installed at the lower part of the lamp body connecting frame 30 .

[0040] Furthermore, a radially extending annular portion 122 is formed on the lower outer side wall of the annular guide rail seat 12, and an annular guide rail 121 is fixed on the outer side of the annular portion 122;

[0041] The annular guide rail 121 includes an annular connecting portion 1210 fixed on the outer side wall of the annular portion 122 , and an annular guiding portion 1211 with a circular cross section is formed on the outer side wall of the annular connecting portion 1210 .

[0042] Furthermore, the lamp body connecting frame 30 includes a side vertical plate 31, a horizontal connecting plate 32 is fixed to the bottom end of the side vertical plate 31, an upper horizontal connecting plate 33 is fixed to the top of the side vertical plate 31, an upper clamping guide block 34 and a lower clamping guide block 35 are fixed on the inner side wall of the side vertical plate 31, an upper arc-shaped groove is formed in the middle of the bottom surface of the upper clamping guide block 34, and a lower arc-shaped groove is formed in the middle of the top surface of the lower clamping guide block 35, the annular guide portion 1211 is located between the upper arc-shaped groove and the lower arc-shaped groove, and its outer side wall cooperates with the upper arc-shaped groove and the lower arc-shaped groove.

[0043] Furthermore, a wear-resistant self-lubricating layer 1 is fixed on the inner side walls of the upper arc-shaped groove and the lower arc-shaped groove, and the outer wall surface of the wear-resistant self-lubricating layer 1 is in close contact with the outer wall surface of the annular guide portion 1211 .

[0044] Furthermore, a servo drive motor 31 is fixed to the top surface of the upper horizontal connecting plate 33 , and the bottom end of the output shaft of the servo drive motor 31 extends out of the bottom surface of the upper horizontal connecting plate 33 and is fixed with a drive gear 32 , which meshes with the annular gear ring 130 .

[0045] In this embodiment, two upper clamping guide blocks 34 and a lower clamping guide block 35 are fixed on the inner wall of the side vertical plate 31, and a lower clamping guide block 35 is provided under each upper clamping guide block 34. Two upper and lower corresponding annular guide rails 121 are fixed on the outer side of the annular portion 122, and each annular guide portion 1211 is located between the corresponding upper arc groove and lower arc groove, and its outer side wall cooperates with the upper arc groove and the lower arc groove.

[0046] The two annular guide rails 121 are used to make the lamp body connecting frame 30 move more stably along the annular guide rails 121 and not prone to tilt.

[0047] Furthermore, a lighting lamp body 40 is installed on the bottom surface of the horizontal connecting plate 32 .

[0048] Furthermore, the lifting mechanism 20 includes a vertical lifting screw 21, and the vertical lifting screw 21 and the middle fixed plate 24 are inserted in the middle cavity of the main support column 10 of the lamp. The outer wall of the middle fixed plate 24 is fixed to the middle inner wall of the middle cavity. The bottom of the vertical lifting screw 21 is movably connected to the middle fixed plate 24 through a bearing, and the top of the vertical lifting screw 21 is movably connected to the bottom surface of the top plate of the main support column 10 of the lamp through a bearing. The lifting block 22 is screwed on the vertical lifting screw 21, and a lifting servo motor 25 is fixed to the bottom surface of the middle fixed plate 24. The lifting servo motor 25 drives the vertical lifting screw 21 to rotate.

[0049] The output shaft of the lifting servo motor 25 is a spline shaft, which is inserted into the spline hole at the bottom end of the vertical lifting screw rod 21 and matched therewith.

[0050] Furthermore, a self-lubricating wear-resistant sheet 2 is fixed on the outer end of the transverse connecting rod 23 facing the inner wall of the corresponding vertical guide slot 11 , and the outer wall of the self-lubricating wear-resistant sheet 2 is in close contact with the inner wall of the corresponding vertical guide slot 11 .

[0051] Furthermore, an outer annular cover shell 3 is fixed on the upper outer side wall of the outer annular sleeve 13, and components such as the lamp body connecting frame 30 and the annular guide seat 12 are located in the outer annular cover shell 3. The outer annular cover shell 3 can prevent external substances from entering the lamp body connecting frame 30 and other components, thereby playing a protective role.

[0052] Vertical plates are fixed to the front and rear bottom surfaces of the bottom surfaces of the horizontal connecting plates 32 on the left and right sides, and vertical plates are fixed to the left and right bottom surfaces of the horizontal connecting plates 32 on the front and rear sides. Both ends of the rotating shaft are movably connected to the corresponding two vertical plates through bearings. A flip adjustment servo motor 36 is fixed to the outer wall of one of the vertical plates. The output shaft of the flip adjustment servo motor 36 is a spline shaft, which is inserted into the spline hole at one end of the rotating shaft. The rotating block 37 is fixed on the rotating shaft. The rotating block 37 is located between the corresponding two vertical plates, and the bottom surface of the rotating block 37 is fixed with a lighting lamp body 40.

[0053] Furthermore, an upper annular block 131 and a lower annular block 132 are fixed to the outer side walls of the upper and lower parts of the outer annular sleeve 13 respectively; the upper annular block 131 and the lower annular block 132 are both insulating blocks.

[0054] The bottom surface of the upper annular block 131 is formed with two concentrically arranged upper annular grooves, and the upper positive annular ring 4 and the upper negative annular ring 5 are inserted into the corresponding upper annular grooves and fixed on the upper annular block 131;

[0055] The top surface of the lower annular block 132 is formed with two concentrically arranged lower annular grooves, and the lower positive annular ring 6 and the lower negative annular ring 7 are inserted into the corresponding lower annular grooves and fixed on the lower annular block 132 .

[0056] Furthermore, an upper connecting frame is fixed to the top surface of the inner side of the upper horizontal connecting plate 33, and the upper connecting frame is an insulating member. Two buffer springs 8 are fixed to the top surface of the horizontal block of the upper connecting frame. Conductive blocks 51 are fixed to the top ends of the two buffer springs 8. A graphite block 52 is fixed to the top surface of the conductive block 51. The top surface of the graphite block 52 is pressed against the bottom surface of the corresponding upper positive annular ring 4 or upper negative annular ring 5.

[0057] Furthermore, a lower connecting frame is fixed to the bottom surface of the inner end of the horizontal connecting plate 32, and the lower connecting frame is an insulating member. Two buffer springs 8 are fixed to the bottom surface of the horizontal block of the lower connecting frame, and a lower conductive block 53 is fixed to the bottom ends of the two buffer springs 8. A lower graphite block 54 is fixed to the bottom surface of the lower conductive block 53, and the bottom surface of the lower graphite block 54 is pressed against the top surface of the corresponding lower positive annular ring 6 or lower negative annular ring 7.

[0058] Furthermore, the positive and negative terminals of the servo drive motor 31 are electrically connected to the corresponding two conductive blocks 51 through electrical connection lines.

[0059] Furthermore, the positive and negative terminals of the flip adjustment servo motor 36 and the lighting lamp body 40 are electrically connected to the corresponding two lower conductive blocks 53 through electrical connection lines.

[0060] Furthermore, two wire-through holes are formed inside the upper annular block 131 and the lower annular block 132, and the inner ends of the wire-through holes extend out of the inner side of the upper annular block 131 or the lower annular block 132 and communicate with the corresponding transverse through holes of the outer annular sleeve 13, and the transverse through holes face the corresponding vertical guide slots 11;

[0061] The total positive wire and the total negative wire electrically connected on the conductive block 51 and the lower conductive block 53 are inserted into the corresponding wire through holes and transverse through holes, and the inner ends of the total positive wire and the total negative wire extend out of the corresponding vertical guide groove 11 and extend into the middle cavity, and together with the electrical connection line of the lifting servo motor 25, they are electrically connected to the control host in the lower part of the middle cavity (the control host is an existing known device and will not be described in detail). A WiFi wireless control module or a Bluetooth control module is installed on the control main board in the control host, and the electrical connection plug of the control host extends from the through hole formed on the lower side panel of the main support column 10 of the lamp to connect to an external power socket to realize power supply, wherein the controller electrically connected to the control host is fixed on the outer side wall of the main support column 10 of the lamp, and it can perform corresponding control by pressing the controller, which are all conventional structures and will not be described in detail here.

[0062] Furthermore, the positive wire and the negative wire are both inserted into the corresponding vertical guide through holes on the middle fixing plate 24 .

[0063] Furthermore, a lighting body 40 is fixed to the bottom surface of the horizontal connecting plate 32, and the lighting body 40 includes a lamp housing, a lamp control mainboard is fixed inside the lamp housing, a plurality of LED lamp bodies are fixed to the bottom surface of the lamp control mainboard, a transparent protective cover is fixed to the bottom of the lamp housing, the LED lamp bodies face the transparent protective cover, and the positive and negative ends of the lamp control mainboard extend out of the lamp housing. This is a conventional structure and will not be described in detail here.

[0064] When this embodiment is in use, it can be controlled by pressing the controller, or it can be electrically connected to the control host of this embodiment through a terminal device such as a mobile phone, so that it can be controlled accordingly. Some electrical connection lines in this embodiment are not shown in the accompanying drawings.

[0065] It can control the operation of all servo drive motors 31 so that the drive gear 32 rotates along the annular gear ring 130, thereby changing the positions of all lighting lamp bodies 40. In this embodiment, there are four servo drive motors 31 and four lighting lamp bodies 40. By controlling the operation of the four servo drive motors 31, the horizontal positions of the four lighting lamp bodies 40 can be changed. They can be evenly distributed on the left, right, front and rear of the outer annular sleeve 13 as needed, so that people around can use the lighting. It can also bring all the lighting lamp bodies 40 closer together to achieve centralized lighting.

[0066] At the same time, it can control the corresponding flip adjustment servo motor 36 to operate, so that the corresponding lighting lamp body 40 is flipped, and it can be flipped up or down, changing the irradiation angle of the lighting lamp body 40 to meet the needs of different users.

[0067] The height of all the lighting lamp bodies 40 can also be adjusted by operating the lifting servo motor 25 to meet the needs of users.

[0068] The above implementation modes are only used to illustrate the present invention, but not to limit the present invention. Ordinary technicians in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention should be defined by the claims.

Claims

1. A lighting fixture device, comprising a main support column (10) of the lighting fixture, characterized in that: The main support column (10) of the lamp is a hollow column, and a vertically extending middle cavity is formed inside the column; A lifting mechanism (20) is installed in the main support column (10) of the lamp, a lifting block (22) is screwed onto the vertical screw (21) of the lifting mechanism (20), a plurality of transverse connecting rods (23) are fixed to the top edge of the lifting block (22), the outer ends of the transverse connecting rods (23) are inserted into corresponding vertical guide grooves (11) formed on the side panels of the main support column (10) of the lamp, the outer ends of all the transverse connecting rods (23) are fixed in the same outer annular sleeve (13), the main support column (10) of the lamp is inserted into the outer annular sleeve (13), and the inner side wall of the outer annular sleeve (13) is in close contact with or close to the upper outer side wall of the main support column (10) of the lamp; An annular guide rail seat (12) is fixed on the outer side wall of the outer annular sleeve (13); an annular gear ring (130) is installed on the upper part of the annular guide rail seat (12); a plurality of lamp body connecting frames (30) are installed on the annular guide rail (121) of the annular guide rail seat (12); a servo drive motor (31) is fixed on the lamp body connecting frame (30); a drive gear (32) is fixed on the output shaft of the servo drive motor (31); and the drive gear (32) is meshed with the annular gear ring (130); The lower part of the lamp body connecting frame (30) is equipped with a lighting lamp body (40).

2. The lighting fixture device according to claim 1, characterized in that: A radially extending annular portion (122) is formed on the lower outer side wall of the annular guide rail seat (12), and an annular guide rail (121) is fixed on the outer side of the annular portion (122); The annular guide rail (121) comprises an annular connecting portion (1210) fixed on the outer side wall of the annular portion (122), and an annular guiding portion (1211) having a circular cross section is formed on the outer side wall of the annular connecting portion (1210).

3. The lighting fixture device according to claim 2, characterized in that: The lamp body connecting frame (30) includes a side vertical plate (31), a horizontal connecting plate (32) is fixed to the bottom end of the side vertical plate (31), an upper horizontal connecting plate (33) is fixed to the top of the side vertical plate (31), an upper clamping guide block (34) and a lower clamping guide block (35) are fixed on the inner side wall of the side vertical plate (31), an upper arc-shaped groove is formed in the middle of the bottom surface of the upper clamping guide block (34), and a lower arc-shaped groove is formed in the middle of the top surface of the lower clamping guide block (35), and the annular guide portion (1211) is located between the upper arc-shaped groove and the lower arc-shaped groove, and its outer side wall cooperates with the upper arc-shaped groove and the lower arc-shaped groove.

4. The lighting fixture device according to claim 3, characterized in that: A wear-resistant self-lubricating layer (1) is fixed on the inner side walls of the upper arc-shaped groove and the lower arc-shaped groove, and the outer wall surface of the wear-resistant self-lubricating layer (1) is in close contact with the outer wall surface of the annular guide portion (1211).

5. The lighting fixture device according to claim 2, characterized in that: A servo drive motor (31) is fixed to the top surface of the upper horizontal connecting plate (33); the bottom end of the output shaft of the servo drive motor (31) extends out of the bottom surface of the upper horizontal connecting plate (33) and is fixed with a drive gear (32); the drive gear (32) is meshed with the annular gear ring (130).

6. The lighting fixture device according to claim 3, characterized in that: Two upper clamping guide blocks (34) and a lower clamping guide block (35) are fixed on the inner side wall of the side vertical plate (31), and a lower clamping guide block (35) is provided below each upper clamping guide block (34). Two upper and lower corresponding annular guide rails (121) are fixed on the outer side of the annular portion (122), and each annular guide portion (1211) is located between the corresponding upper arc groove and lower arc groove, and its outer side wall cooperates with the upper arc groove and the lower arc groove.

7. The lighting fixture device according to claim 3, characterized in that: A lighting lamp body (40) is installed on the bottom surface of the horizontal connecting plate (32).

8. The lighting fixture device according to claim 1, characterized in that: The lifting mechanism (20) comprises a vertical lifting screw (21), the vertical lifting screw (21) and a middle fixing plate (24) are inserted into the middle cavity of the main support column (10) of the lamp, the outer wall of the middle fixing plate (24) is fixed to the middle inner wall of the middle cavity, the bottom of the vertical lifting screw (21) is movably connected to the middle fixing plate (24) through a bearing, the top of the vertical lifting screw (21) is movably connected to the bottom surface of the top plate of the main support column (10) of the lamp through a bearing, the lifting block (22) is screwed on the vertical lifting screw (21), and the bottom surface of the middle fixing plate (24) is fixed with a lifting servo motor (25), and the lifting servo motor (25) drives the vertical lifting screw (21) to rotate.

9. The lighting fixture device according to claim 8, characterized in that: A self-lubricating wear-resistant sheet (2) is fixed on the side wall of the outer end of the transverse connecting rod (23) facing the inner side wall of the corresponding vertical guide slot (11), and the outer side wall of the self-lubricating wear-resistant sheet (2) is tightly attached to the inner side wall of the corresponding vertical guide slot (11).

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