CN214223027U

CN214223027U - Counterweight type searchlight lifting device

Info

Publication number: CN214223027U
Application number: CN202120494121.1U
Authority: CN
Inventors: 姜林丽
Original assignee: Daqing Laisai Technology Co ltd
Current assignee: Daqing Laisai Technology Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-09-17
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a counter weight formula searchlight liftable device, including lamp pole and base, the base top is installed inside and is hollow lamp pole, and the outside cover of lamp pole has the lift coaster, the inside upper end of lamp pole evenly installs more than one last fixed pulley, lower extreme and installs more than one and last fixed pulley matched with lower fixed pulley, goes up the winding on the fixed pulley and has the bearing cable wire, and the winding has the operation cable wire on the fixed pulley down, bearing cable wire one end links to each other with the counter weight body top that is located lamp pole inside, and the other end is walked around the top outside of going up fixed pulley and lift coaster and is linked to each other, and operation cable wire one end is connected bottom the counter weight body, and the other end is walked around down the fixed pulley and is connected with the bottom outside of lift coaster. The counterweight type searchlight lifting device has reasonable structural design and simple and convenient use, does not need to operate in a dangerous high-altitude environment, and improves the working efficiency; no need of motor and complex driving device, low cost and low use cost.

Description

Counterweight type searchlight lifting device

Technical Field

The utility model belongs to, especially, relate to a counter weight formula searchlight elevating gear.

Background

Existing searchlight pole includes: the lamp post comprises a common searchlight post without a lifting function and an automatic lifting searchlight post with an automatic lifting function driven by a motor. When the common searchlight pole is used, the searchlight lamp is fixed at the top of the pole, when the searchlight lamp needs to be maintained or replaced daily, workers need to work at high altitude, the high altitude work has great potential safety hazards, and the working efficiency can be reduced. The automatic lifting lamp pole driven by the motor has high manufacturing cost, complex machinery and circuit and limited use, and the time and cost for maintenance after the automatic lifting lamp pole breaks down are too high.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, a counter weight formula searchlight elevating gear is provided.

The utility model discloses a counter weight formula searchlight liftable device, including lamp pole and base, the base top is installed inside and is hollow lamp pole, and the outside cover of lamp pole has the lift coaster, the inside upper end of lamp pole evenly installs more than one last fixed pulley, lower extreme and installs more than one and last fixed pulley matched with lower fixed pulley, goes up the winding on the fixed pulley and has the bearing cable wire, and the winding has the operation cable wire on the fixed pulley down, bearing cable wire one end links to each other with the counter weight body top that is located lamp pole inside, and the other end is walked around the top outside of going up fixed pulley and lift coaster and is linked to each other, and operation cable wire one end is connected bottom the counter weight body, and the other end is walked around down the fixed pulley and is connected with the bottom outside of lift coaster.

As the utility model discloses a further improvement is fixed with more than one and the lift coaster on the lamp pole outer wall of going up the fixed pulley below corresponding, and the perpendicular to lamp pole outer wall go up the spacing crossbeam, is connected with the lower spacing crossbeam of more than one, perpendicular to lamp pole inner wall between the two relative inner walls of lamp pole of lower fixed pulley top, last spacing crossbeam and lower spacing crossbeam cooperate with lift coaster and counter weight body respectively.

As a further improvement, more than one lamp is installed in the periphery of the top end of the lifting pulley, and a cable slide wire and a lamp electric connection are arranged on the lamp post.

As a further improvement, the outer wall of the two opposite sides of the lamp post is provided with more than one vertical slide rail, and the inner wall of the lifting pulley is provided with a lifting pulley which is matched with the slide rail in a sliding way.

As the utility model discloses a further improvement, the inside lift coaster that is equipped with more than two and the lamp pole edge complex lift truck travelling wheel that rolls of lift coaster, the lift coaster slides through the lift truck travelling wheel and cup joints outside the lamp pole.

As the utility model discloses a further improvement, the inside lift coaster that is equipped with more than two and the lamp pole lateral wall roll complex lift truck travelling wheel that goes up and down, the lift coaster slides through the lift truck travelling wheel and cup joints in the lamp pole outside.

As a further improvement, the weight of the counterweight body is larger than or equal to the weight of the lifting pulley.

The counterweight type searchlight liftable device has reasonable structural design and simple and convenient use, when the lamp is maintained or replaced daily, a worker pulls the operation steel cable to enable the lifting tackle and the lamp to slide down along the lamp post, when the lifting tackle slides down to the lower end of the lamp post, the lamp can be maintained or replaced, the operation under dangerous high-altitude environment is not needed, and the working efficiency is improved; and only need the simple operation of manpower, need not motor and complicated drive arrangement, cost and use cost are low, and the cost of routine maintenance, repair and change is low, has reduced the waste of resource.

Drawings

Fig. 1 is a schematic structural view of the counterweight type searchlight lifting device of the present invention;

FIG. 2 is a schematic diagram of the gravity balance of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 5 is a cross-sectional view taken along B-B of FIG. 1;

fig. 6 is a cross-sectional view of fig. 1 taken along the direction C-C.

Detailed Description

Example 1

The utility model discloses a counter weight formula searchlight liftable device, including lamp pole 1 and base 10, the inside hollow lamp pole 1 that is installed on base 10 top, the cross-section of lamp pole 1 is the polygon, 1 outside cover of lamp pole has lift coaster 5, as shown in fig. 4, lift coaster 5 is inside to be equipped with more than two with 1 edge roll complex lift truck travelling wheel 8 of lamp pole, and lift coaster 5 cup joints in 1 outside of lamp pole through 8 slides of lift truck travelling wheel. More than one lamp 9 is installed on the periphery of the top end of the lifting pulley 5, and a cable slide wire is arranged inside the lamp pole 1 and electrically connected with the lamp 9. The travelling wheel 8 of the lift truck rolls along the edge of the lamp pole 1, and then drives the lifting pulley 5 to slide up and down along the lamp pole 1.

More than one last fixed pulley 3 is evenly installed to the inside upper end of lamp pole 1, the lower extreme is installed more than one and is gone up fixed pulley 3 matched with lower fixed pulley 4, goes up the winding on fixed pulley 3 and has bearing cable wire 6, and the winding has operation cable wire 7 on the lower fixed

pulley

4, 6 one end of bearing cable wire links to each other with 2 top ends of the counter weight body that is located lamp pole 1 inside, and the other end is walked around last fixed pulley 3 and is linked to each other with the top outside of

lifting tackle

5, and 7 one end of operation cable wire are connected with 2 bottoms of counter weight body, and the other end is walked around down fixed pulley 4 and is connected with the bottom outside of lifting tackle 5, counter weight body 2, bearing cable wire 6 and last fixed pulley 3 constitute gravity balance system, can reach laborsaving mesh when pulling operation cable wire 7 with the hand. The weight of the balance weight body 2 is more than or equal to the weight of the lifting tackle 5 and the lamp 9, the weight of the balance weight body 2 can be adjusted according to the weight of the lifting tackle 5 and the lamp 9, as shown in figure 2, F2 is more than or equal to F1. More than one upper limiting beam 11 which corresponds to the lifting pulley 5 and is vertical to the outer wall of the lamp post 1 is fixed on the outer wall of the lamp post 1 below the upper fixed pulley 3, the upper limiting beam 11 can be arranged on the outer wall of one side of the lamp post 1, and the outer walls of multiple sides of the lamp post 1 can be provided with the upper limiting beams 11; more than one lower limiting beam 12 vertical to the inner wall of the lamp pole 1 is connected between the two opposite inner walls of the lamp pole 1 above the lower fixed pulley 4. The upper limiting beam 11 and the lower limiting beam 12 are respectively matched with the lifting pulley 5 and the counterweight body 2, the moving distance of the lifting pulley 5 and the counterweight body 2 can be limited, and the lifting pulley 5 is prevented from being separated from the lamp pole 1 when moving upwards along the lamp pole 1.

As shown in fig. 1, when the lifting tackle 5 and the lamp 9 are located at the upper end of the lamp post 1 and abut against the upper limiting beam 11, a worker pulls the operation steel cable 7 downward to drive the lower fixed pulley 4 to rotate and the lifting tackle 5 to slide downward along the lamp post 1, the lifting tackle 5 slides while rotating the upper fixed pulley 3 through the bearing steel cable 6, and pulls the counterweight body 2 upward through the bearing steel cable 6 to move the counterweight body 2 upward inside the lamp post 1, when the lifting tackle 5 moves to the lower end of the lamp post 1, the pulling of the operation steel cable 7 is stopped, the operation steel cable 7 is fixed, and then the lamp 9 is maintained or replaced. After the maintenance or the replacement is finished, the fixing of the operation steel cable 7 is released, the counterweight body 2 moves downwards along the inside of the lamp post 1 under the action of self gravity, meanwhile, the lifting pulley 5 is driven to move upwards through the bearing steel cable 6, a worker can adjust the moving speed of the counterweight body 2 and the lifting pulley 5 through the operation steel cable 7, and when the lifting pulley 5 and the lamp 9 move to be close to the upper limiting cross beam 11 and the lower limiting cross beam 12 respectively, the movement is finished.

Example 2

The utility model discloses a counter weight formula searchlight liftable device, including lamp pole 1 and base 10, the inside hollow lamp pole 1 that is installed on base 10 top, the cross-section of lamp pole 1 is the polygon, 1 outside cover of lamp pole has lift coaster 5, as shown in fig. 3, lift coaster 5 is inside to be equipped with more than two with 1 lateral wall roll complex lift truck travelling wheel 8 of lamp pole, and lift coaster 5 cup joints in 1 outside of lamp pole through 8 slides of lift truck travelling wheel. More than one lamp 9 is installed on the periphery of the top end of the lifting pulley 5, and a cable slide wire is arranged inside the lamp pole 1 and electrically connected with the lamp 9. The lift truck travelling wheel 8 rolls along the side wall of the lamp pole 1, and then drives the lifting pulley 5 to slide up and down along the lamp pole 1.

The other structures and operation methods are the same as those of embodiment 1.

Claims

1. A counterweight type searchlight lifting device comprises a lamp post (1) and a base (10), it is characterized in that the top end of the base (10) is provided with a lamp post (1) with a hollow inner part, a lifting pulley (5) is sleeved outside the lamp post (1), more than one upper fixed pulley (3) is uniformly arranged at the upper end in the lamp post (1), more than one lower fixed pulley (4) matched with the upper fixed pulley (3) is arranged at the lower end, a bearing steel cable (6) is wound on the upper fixed pulley (3), an operation steel cable (7) is wound on the lower fixed pulley (4), one end of the bearing steel cable (6) is connected with the top end of the counterweight body (2) positioned inside the lamp pole (1), the other end of the bearing steel cable is connected with the outer side of the top end of the lifting pulley (5) by bypassing the upper fixed pulley (3), one end of the operation steel cable (7) is connected with the bottom of the counterweight body (2), and the other end of the operation steel cable is connected with the outer side of the bottom of the lifting pulley (5) by bypassing the lower fixed pulley (4).

2. A liftable device of a counterweight type searchlight according to claim 1, wherein the outer wall of the lamp post (1) below the upper fixed pulley (3) is fixed with more than one upper limiting beam (11) which corresponds to the lifting pulley (5) and is vertical to the outer wall of the lamp post (1), more than one lower limiting beam (12) which is vertical to the inner wall of the lamp post (1) is connected between two opposite inner walls of the lamp post (1) above the lower fixed pulley (4), and the upper limiting beam (11) and the lower limiting beam (12) are respectively matched with the lifting pulley (5) and the counterweight body (2).

3. A liftable device of a counterweight type searchlight according to claim 1, wherein more than one lamp (9) is installed on the periphery of the top end of the lifting pulley (5), and the cable slide wire is arranged on the lamp post (1) and electrically connected with the lamp (9).

4. A liftable device of a counterweight type searchlight according to claim 1, wherein more than two lifting trolley running wheels (8) are arranged in the lifting trolley (5) and are in rolling fit with the edge of the lamp post (1), and the lifting trolley (5) is slidably sleeved outside the lamp post (1) through the lifting trolley running wheels (8).

5. A liftable device of a counterweight type searchlight according to claim 1, wherein more than two lifting wheels (8) are arranged in the lifting trolley (5) and are in rolling fit with the side wall of the lamp post (1), and the lifting trolley (5) is slidably sleeved outside the lamp post (1) through the lifting wheels (8).

6. A liftable device of a counterweighted searchlight according to claim 1, wherein the weight of the counterweight body (2) is greater than or equal to the weight of the lifting trolley (5) and the lamp (9).