CN211011100U - A lift street light that is easy to maintain - Google Patents

Abstract

The utility model discloses a lifting street lamp which is convenient for maintenance. A lamp pole is bent outwards with outriggers, a metal conductive sheet is arranged at the bottom of the outrigger to be connected with cables in the lamp pole, and a street lamp head shell is provided with a metal conductive sheet It is connected with the terminals of the LED chip set inside the housing; the above two metal conductive sheets are in contact and connected; the street light pole is provided with a lifting mechanism, and the lifting mechanism includes a wire wheel, a steel cable, a rotating handle, a locking assembly, and a guide wheel; The light pole is rotatably provided with a rotating shaft, the rotating shaft is provided with a wire wheel, and the rotating shaft is driven to rotate under the action of the rotating handle outside the light pole; there is a guide wheel in the light pole, one end of the wire rope is fixedly wound on the wire wheel, and the other end is fixed on the wire wheel. After going up through the guide wheel, it extends out of the outrigger to connect with the street lamp head shell; the locking assembly is used to control whether the wire wheel can be rotated.

Description

A lift street light that is easy to maintain

technical field

The utility model relates to the technical field of municipal equipment, in particular to a lift street lamp which is convenient for maintenance.

Background technique

In order to have a better lighting range and better effect, the general height of street lamps is 6~12m. Due to the high height of the light pole, it is very inconvenient to maintain or replace the light pole. Generally, lifting equipment or lifts are used, and the maintenance cost is relatively high.

In order to solve the existing technical problem, there are now lift street lamps on the market, such as a liftable street lamp disclosed in Chinese Patent Document 201810834293.1, such as the lift street lamp disclosed in 201920041175.5.

However, the prior art still has a major defect that the street lamp can be lifted and lowered by providing a motor-driven lifting mechanism in the street lamp. However, the use of street lamps for road lighting in cities and villages is huge, and in fact, it takes a long time to repair and replace them. Some street lamps have no signs of damage and do not even need to be replaced or repaired. On such a product with a huge amount of use, each adopts a motor-driven lifting mechanism, and the maintenance cost is still high.

Utility model content

The purpose of the utility model is to provide a lift street lamp which is convenient for maintenance. The lifting and lowering of the street lamp head is controlled by manually controlling the rotating handle. Because the structure of the street lamp head itself is relatively light, it is also convenient for workers to operate manually.

In order to achieve the above object, the technical scheme adopted by the present utility model is as follows:

A lift street light for easy maintenance, comprising a base, a light pole and a street lamp head, the base is fixed on the ground, the lamp pole is arranged on the base, the lamp pole is bent outward with legs, and the street lamp head and the lamp pole are detachably connected , There is a metal conductive sheet at the bottom of the leg to connect with the cable in the light pole, and the street lamp head shell is provided with a metal conductive sheet to connect with the terminal of the LED chip set inside the shell; the above two metal conductive sheets are in contact and connected;

There is a lifting mechanism in the street light pole, and the lifting mechanism includes a wire wheel, a steel cable, a rotating handle, a locking component, and a guide wheel;

A rotating shaft is rotatably arranged in the light pole, a wire wheel is arranged on the rotating shaft, and the rotating shaft is driven to rotate under the action of the rotating handle outside the light pole;

A guide wheel is arranged in the light pole, one end of the steel cable is fixed and wound on the wire wheel, and the other end goes up through the guide wheel, and extends out of the outrigger to connect with the street lamp head shell;

The locking assembly includes a locking key and a locking gear; the locking gear is arranged on the rotating shaft, a part of the locking key is arranged outside the light pole, and a part is arranged in the light pole, and can move in the light pole;

When the movement of the locking key is controlled so that its end located in the light pole is located between the teeth of the locking gear, the locking is realized, and the locking gear cannot rotate;

When the locking key is controlled to move so that its end located in the light pole is not located between the teeth of the locking gear, it is not locked and the locking gear can rotate.

As a preferred technical solution, a recessed contact groove is provided at the bottom of the leg, and a metal conductive sheet is provided at the bottom of the contact groove;

The upper part of the shell of the street lamp head is provided with a contact protrusion; the metal conductive sheet of the street lamp head is located on the top of the contact protrusion; the contact protrusion of the street lamp head is matched with the contact groove of the support leg.

As a preferred technical solution, a slider is connected to one end of the street lamp head housing facing the lamp pole, the outer wall of the lamp pole is provided with a guide groove for guiding matching the slider, the guide slider is located in the guide groove, and the steel cable passes through the slider. The block is connected to the lamp head housing.

As a preferred technical solution, the sliding block is a T-shaped sliding block, and the guide groove is a T-shaped groove.

As a preferred technical solution, the locking assembly includes the above-mentioned locking gear, a locking key, a locking plate and a spring; a locking plate is provided on the inner wall of the light pole through a bracket; the locking key includes a hand-held piece and a locking piece; The tightening piece is located at the front end of the hand-held piece and is perpendicular to the hand-held piece, a part of the hand-held piece is located outside the light pole, and the locking piece is inside the light pole.

A spring is arranged between the inner wall of the light pole and the hand-held piece, and a locking hole is arranged on the locking plate. The front end of the hand-held piece and the locking piece pass through the locking hole; when the spring has a normal elasticity, the locking piece is located in the locking gear between the teeth, making the locking gear unable to rotate;

The shape of the locking hole is the same rectangle as the locking piece, and the size of the front end of the hand-held piece is smaller than the size of the locking hole, and can reciprocate linearly in the locking hole.

As a preferred technical solution, the cable is fixed on the inner wall of the light pole through a tube clamp.

As a preferred technical solution, a rotating handle is provided at the lower end of the rotating shaft, the driving shaft of the rotating handle extends into the light pole and is parallel to the rotating shaft, and the rotating handle driving shaft and the inner wall of the lamp pole are rotatably connected; Gear A, with gear B on the drive shaft, the size of gear B is larger than the size of gear A.

Compared with the prior art, the utility model has the following beneficial effects:

The lifting and lowering of the street lamp head is controlled by rotating the handle, and the weight of the street lamp head is light, so it will not be too laborious for workers. It can replace the structure of driving the street lamp to lift and lower through the motor and other equipment in the prior art, and reduce the maintenance cost. Meanwhile, the utility model has the advantages of simple structure and convenient operation.

Description of drawings

Fig. 1 is the sectional view of embodiment 1;

Fig. 2 is an enlarged view at A in Fig. 1;

Fig. 3 is the structural representation of the lifting mechanism in the embodiment 1;

Fig. 4 is the structural representation of the locking plate;

FIG. 5 is a schematic structural diagram of the lifting mechanism in Embodiment 2. FIG.

Among them, the reference numerals are as follows:

1-light pole, 2-leg, 3-street lamp head, 4-contact groove, 5-contact protrusion, 6-metal conductive sheet, 7-T-shaped groove, 8-T-shaped slider, 9-rotating shaft, 10 -Wire wheel, 11-wire rope, 12-rotating handle, 13-bearing, 14-locking gear, 15-hand-held piece, 16-locking piece, 17-spring, 18-locking plate, 19-locking hole , 20-drive shaft.

Detailed ways

The purpose of the present utility model is to overcome the defects of the prior art and provide a lift street light that is convenient for maintenance. The present utility model will be further described in detail below with reference to the embodiments.

Example 1

In the prior art, a street light includes a base, a light pole 1 , and a street light head 3 . The light pole 1 is arranged on the base, the base is fixed to the ground, and the top of the light pole 1 is detachably connected with the street lamp head 3 .

In the prior art, the top of the pole body of the light pole 1 is generally bent outward, and then detachably connected to the street light head 3 . The street lamp head 3 generally includes upper and lower casings that are connected by bolts and form cavities with each other. The LED lamp chip group is arranged in the casing, and the lower casing is provided with a transparent cover for penetrating the light.

The body of the lamp pole 1 is hollow, and a cylindrical connection port is formed between the upper and lower shells of the street lamp head 3 to communicate with the inside of the shell of the street lamp head 3 . The cylindrical connection port of the street lamp head 3 is sleeved on the bent end of the lamp pole 1 and fixed with a pipe hoop.

One end of the cable is buried underground and connected to the mains, and the other end extends into the street lamp head 3 through the hollow lamp pole 1 and is connected to the terminal of the LED chip set.

The present embodiment is improved as follows with respect to the prior art:

As shown in FIG. 1 , a lift street light for easy maintenance includes a base, a light pole 1 and a street light head 3 as in the prior art. The light pole 1 is arranged on the base, the base is fixed to the ground, and the top of the light pole 1 is detachably connected with the street lamp head 3 .

The light pole 1 is a hollow light pole, and the top of the light pole 1 is bent outward. In this embodiment, for the convenience of description, the bent portion is defined as a "support leg 2", that is, a support leg 2 is provided on the top of the light pole 1 . The outrigger 2 is communicated with the light pole 1 .

As shown in Figure 3. A recessed contact groove 4 is provided at the bottom of the leg 2 , and a metal conductive sheet 6 is provided at the bottom of the contact groove 4 . One end of the cable is buried underground and connected to the mains, and the other end extends to the leg 2 and is connected to the metal conductive sheet 6 .

In the direction of the arrangement of the cables, there are several pipe clamps to clamp the cables and fix them on the inner wall of the light pole 1 so that they do not hinder the work of the lifting mechanism.

In this embodiment, the structure of the street lamp head 3 is slightly different from the prior art. Of course, it also includes an upper and lower casing to form a street lamp head casing, the lower casing is provided with a transparent cover, and the casing is provided with an LED chip set. The upper casing has an area that protrudes upward to form a contact protrusion 5 .

A metal conductive sheet 6 is provided on the top of the contact bump 5 to be electrically connected to the connection terminals of the LED chip set in the housing. The contact protrusion 5 of the street lamp head 3 is matched with the contact groove 4 of the leg 2. When the contact protrusion 5 of the street lamp head 3 is located in the contact groove 4 of the leg 2, and the metal conductive sheets 6 of the two are in contact, the power-on is realized. , the cable supplies power to the street lamp head 3 .

In this embodiment, the power supply to the street lamp head 3 is designed as contact power supply, because the street lamp head 3 can be raised and lowered under the action of the lifting mechanism in this embodiment, and this structure is designed so that the lifting and lowering of the street lamp head 3 is not directly connected to the power supply cable. The connection can simplify the design of the lifting mechanism to a certain extent.

In this embodiment, the contact grooves 4 and the contact protrusions 5 are designed to shield rainwater.

Further, in order to cooperate with the lifting of the street lamp head 3, one end of the shell of the street lamp head 3 facing the lamp pole 1 is bolted with a T-shaped slider 8, and the outer wall of the lamp pole 1 is provided with a matching T-shaped groove 7 for guiding. The T-shaped slider 8 is located in the T-shaped slot 7, and the T-shaped slider 8 cannot be separated from the front opening of the T-shaped slot 7, and the T-shaped slot 7 plays a limiting and guiding role.

As shown in FIG. 3 , in this embodiment, the lifting mechanism provided in the light pole 1 includes a wire wheel 10 , a wire rope 11 , a rotating handle 12 , a locking assembly, and a guide wheel.

A rotating shaft 9 is arranged in the lower part of the light pole 1, and a wire wheel 10 is arranged on the rotating shaft 9. One end of the rotating shaft 9 is rotatably connected with the inner wall of the light pole 1 through a bearing 13, and the other end is fixedly connected with the rotating handle 12 located outside the light pole 1. The rotating shaft 9. The other end is also rotatably connected with the wall of the light pole 1 through the bearing 13, which reduces the resistance of the worker turning the rotating handle 12. The rotation of the rotary handle 12 drives the reel 10 to rotate.

A guide wheel is rotatably provided on the top of the light pole 1 and in the outrigger 2, respectively. The two guide wheels are of the same height. Extend the outrigger 2 and connect with the T-shaped slider 8 . When the reel 10 is rotated to pay off the line, the street lamp head 3 goes down; when the reel 10 is reversely rotated to take up the line, the street lamp head 3 rises.

The above structure controls the lifting and lowering of the street lamp head 3 by controlling the rotating handle 12 by a person, and the maintenance cost is lower than that of the motor and its responsible driving structure in the prior art.

It is worth noting that the length of the steel cable 11 can be made longer, so that the wire can be paid out until the street lamp head 3 can be placed on the ground; the steel cable 11 can also be made shorter, so that the lowest point of the street lamp head 3 is about 1.2m above the ground. About 1.5m.

However, when the reel 10 is rotated, when the contact protrusion 5 of the street lamp head 3 returns to the contact groove 4 again, a locking assembly must be provided to lock the reel 10 so that the reel 10 cannot rotate, otherwise the street lamp head 3 will be under gravity will fall under the action. Therefore, a locking assembly is provided in this embodiment.

The locking assembly includes a locking gear 14, a locking key, a locking plate 18, and a spring 17; a locking plate 18 is provided on the inner wall of the light pole 1 through a bracket; the locking key includes a hand-held piece 15 and a locking piece 16; The piece 16 is located at the front end of the hand-held piece 15 and is perpendicular to the hand-held piece 15 .

An annular groove is arranged on the inner wall of the light pole 1, an annular step is arranged in the middle of the hand-held piece 15, an annular groove is arranged on the annular table, and the spring 17 is located between the two annular grooves, that is, the spring 17 is located on the inner wall of the light pole 1 and the hand-held piece 15. between. As shown in FIG. 4 , a locking hole 19 is provided on the locking plate 18, and the front end of the handle piece 15 and the locking piece 16 pass through the locking hole 19; when the spring 17 has a normal elasticity, the locking piece 16 is located in the locking gear 14 between the teeth, making the locking gear 14 unable to rotate;

The shape of the locking hole 19 is the same rectangle as the locking piece 16 .

When the spring 17 has normal elasticity, the locking piece 16 is located on the side of the locking gear 14 and between the teeth. When the handle piece 15 is pulled outward, the locking piece 16 leaves the locking gear 14 and does not hinder the rotation of the locking gear 14 , so that the wire wheel 10 can be rotated, the spring 17 is compressed at this time, and at the same time, the locking piece 16 is driven through the locking hole 19 on the locking plate 18, and the spring 17 is compressed at this time. The locking piece 16 is rotated by 90°C, forming a cross shape with the locking hole 19. When the handle piece 15 is released, the spring 17 cannot make the locking piece 16 return to its original position. The worker can release his hand and turn the rotary handle 12 to control the descending of the street lamp head 3 . When the maintenance or replacement is completed, turn the wire pulley 10 to make it back to a high place, and after the two metal conductive sheets 6 are in contact, turn the hand-held piece 15 to 90°C, so that the locking piece 16 coincides with the locking hole 19. Under the force of the rebound, after the locking piece 16 passes through the locking hole 19, it returns to the teeth of the locking gear 14, so that the wire wheel 10 cannot rotate.

Further, in order to prevent theft, an anti-theft box is provided outside the light pole 1, the hand-held piece 15 located outside the light pole 1 is located in the anti-theft box, and the anti-theft box is provided with a door and a door lock. When the door is opened, the locking key is exposed, and the position of the locking key can be moved. Otherwise, the locking piece 16 of the locking key is located between the locking gears 14 and the rotary handle 12 cannot be rotated.

Example 2

As shown in FIG. 5 , the difference between this embodiment and Embodiment 1 is that since the rotating handle 12 is manually rotated to control the lifting and lowering of the street lamp head 3 , in order to save labor, in this embodiment, both ends of the rotating shaft 9 are rotatably arranged on the lamp through bearings 13 . Rod 1 inner wall.

A rotating handle 12 is provided at the lower end of the rotating shaft 9. The driving shaft 20 of the rotating handle 12 extends into the light pole 1 and is parallel to the rotating shaft 9. The drive shaft 20 of the rotating handle 12 and the inner wall of the light pole 1 are also rotatable through the bearing 13. connect.

A gear A is provided on the rotating shaft 9 , and a gear B is provided on the driving shaft 20 , and the size of the gear B is larger than that of the gear A. The radius of gear B is 2 to 4 times the radius of gear A. Gear B is larger in size than gear A, making it more labor-saving.

In this embodiment, the gear A or the gear B is the above-mentioned locking gear.

According to the above embodiments, the present invention can be well realized. It is worth noting that, under the premise of the above-mentioned structural design, in order to solve the same technical problem, even if some insubstantial changes or embellishments are made in the present utility model, the essence of the adopted technical solution is still the same as that of the present utility model. Therefore, it should also be within the protection scope of the present invention.

Claims (7)

1. A lift street light that is easy to maintain, including a base, a light pole, and a street lamp head. The base is fixed on the ground, the lamp pole is set on the base, and the lamp pole is bent outward with outriggers. The street lamp head and the outrigger can be connected. Disassembly and connection, which is characterized in that: a metal conductive sheet is provided at the bottom of the leg to connect with the cable in the lamp pole, and a metal conductive sheet is provided on the street lamp head shell to connect with the terminals of the LED chip set inside the shell; the above two Metal conductive sheet contact connection; There is a lifting mechanism in the street light pole, and the lifting mechanism includes a wire wheel, a steel cable, a rotating handle, a locking component, and a guide wheel; A rotating shaft is rotatably arranged in the light pole, a wire wheel is arranged on the rotating shaft, and the rotating shaft is driven to rotate under the action of the rotating handle outside the light pole; A guide wheel is arranged in the light pole, one end of the steel cable is fixed and wound on the wire wheel, and the other end goes up through the guide wheel, and extends out of the outrigger to connect with the street lamp head shell; The locking assembly includes a locking key and a locking gear; the locking gear is arranged on the rotating shaft, a part of the locking key is arranged outside the light pole, and a part is arranged in the light pole, and can move in the light pole; When the movement of the locking key is controlled so that its end located in the light pole is located between the teeth of the locking gear, the locking is realized, and the locking gear cannot rotate; When the locking key is controlled to move so that its end located in the light pole is not located between the teeth of the locking gear, it is not locked and the locking gear can rotate. 2 . The lift street light that is easy to maintain according to claim 1 , wherein a recessed contact groove is provided at the bottom of the outrigger, and a metal conductive sheet is provided at the bottom of the contact groove; 2 . The upper part of the shell of the street lamp head is provided with a contact protrusion; the metal conductive sheet of the street lamp head is located on the top of the contact protrusion; the contact protrusion of the street lamp head is matched with the contact groove of the support leg. 3. A lift street light for easy maintenance according to claim 1, characterized in that a slider is connected to one end of the street lamp head housing facing the lamp pole, and the outer wall of the lamp pole is provided with a guide for guiding matched with the slider. The guide slider is located in the guide groove, and the steel cable is connected to the housing of the street lamp head through the slider. 4 . The lift street light for easy maintenance according to claim 3 , wherein the sliding block is a T-shaped sliding block, and the guide groove is a T-shaped groove. 5 . 5. A lifting street light that is easy to maintain according to claim 1, wherein the locking assembly comprises the locking gear, the locking key, the locking plate and the spring; plate; the locking key includes a hand-held piece and a locking piece; the locking piece is located at the front end of the hand-held piece and is perpendicular to the hand-held piece, a part of the hand-held piece is located outside the light pole, and the locking piece is located inside the light pole; A spring is arranged between the inner wall of the light pole and the hand-held piece, and a locking hole is arranged on the locking plate. The front end of the hand-held piece and the locking piece pass through the locking hole; when the spring has a normal elasticity, the locking piece is located in the locking gear between the teeth, making the locking gear unable to rotate; The shape of the locking hole is the same rectangle as the locking piece, and the size of the front end of the hand-held piece is smaller than the size of the locking hole, and can reciprocate linearly in the locking hole. 6 . The lift street light that is easy to maintain according to claim 1 , wherein the cable is fixed on the inner wall of the light pole through a pipe clamp. 7 . 7. A lift street light that is easy to maintain according to claim 1, characterized in that a rotating handle is provided at the lower end of the rotating shaft, the driving shaft of the rotating handle extends into the light pole and is parallel to the rotating shaft, and the rotating handle driving shaft is parallel to the rotating handle. The inner wall of the light pole is rotatably connected; a gear A is arranged on the rotating shaft, and a gear B is arranged on the driving shaft, and the size of the gear B is larger than that of the gear A.

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