CN212740542U - Limiting device for lifting lamp - Google Patents

Abstract

The utility model relates to a lift lamp stop device belongs to street lamp technical field, can not go up and down to appointed height or surpass the problem of appointed height to the light and provide following technical scheme, and the technical essential of this application is including setting firmly in the inside hoist engine of lamp pole, the wire winding has the lifting rope on the hoist engine, the upper end of lamp pole is provided with the fixed pulley, and the lamp pole outside is provided with the lamp panel that can follow lamp pole axis direction motion, the one end wire winding that the hoist engine was kept away from to the lifting rope is behind the fixed pulley and lamp panel fixed connection, limit switch has set firmly inside the lamp pole, be provided with the gag lever post that is used for starting limit switch on the lifting rope, gag lever post and lifting rope simultaneous movement when gag lever post motion to limit switch department, limit switch control hoist engine stop work, the lamp panel is located the top of lamp pole. This application has the advantage that can accurate control lamp panel elevating position.

Description

Limiting device for lifting lamp

Technical Field

The application relates to the technical field of street lamps, in particular to a lifting lamp limiting device.

Background

In open and busy places such as urban squares, airports, docks, highways and the like, large-scale centralized illumination is usually realized by installing high-pole lamps, and the high-pole lamps have high difficulty in normal maintenance and high cost due to the high height of lamp poles, so that the problem of maintenance is solved by installing the illumination lamps on a liftable lamp panel.

The patent document with the current grant bulletin number of CN207422157U discloses a high-pole lamp elevating gear, the on-line screen storage device comprises a base, the base top is equipped with the lamp pole, the lamp pole top is equipped with sealed lid, the lamp pole outside is equipped with the support frame, the support frame outside is equipped with the connecting rod, connecting rod one end is equipped with the light, the inboard symmetry of support frame is equipped with solid fixed slider one and solid fixed slider two, gu fixed slider one top is equipped with solid fixed ring, the lamp pole inner chamber is equipped with the supporting diaphragm, the supporting diaphragm top is equipped with the fixed pulley, the supporting diaphragm both sides are equipped with track one and track two respectively, track one top is equipped with the stopper, track one bottom is equipped with the steering roller bearing, and the.

Although this high-post lamp elevating gear can separate track one and track two through being equipped with supporting partition, makes fixed slider one and wire rope each other not influence, also can play the effect of strengthening the support to the lamp pole simultaneously, increases the intensity of lamp pole.

This high-pole lamp elevating gear base's inside is provided with the reel, the fixed winding in the outside of reel has wire rope, the reel passes through wire rope and rotates the roller bearing, the fixed pulley, gu fixed ring is connected, the reel is connected with the motor through the pivot, when needs drive light goes up and down, drive the reel through the motor and wind a roll of wire rope, because this high-pole lamp elevating gear is not provided with stop device, can only be through the switch of the height control motor of artificial observation light lift, there is the error for artificial observation, probably lead to the light can not go up and down to appointed height or surpass appointed height.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the aim at of this application provides lift lamp stop device, and it has the advantage that can accurate control lamp panel lift position.

The technical purpose of the application is realized by the following technical scheme:

the utility model provides a lift lamp stop device, is including setting firmly the hoist engine in the lamp pole inside, the wiring has the lifting rope on the hoist engine, the upper end of lamp pole is provided with the fixed pulley, and the lamp panel that can follow the motion of lamp pole axis direction is provided with to the lamp pole outside, the lifting rope keeps away from one end wiring of hoist engine behind the fixed pulley and lamp panel fixed connection, limit switch has set firmly in the lamp pole inside, be provided with the gag lever post that is used for starting limit switch on the lifting rope, gag lever post and lifting rope synchronous motion, when gag lever post motion to limit switch department, limit switch control hoist engine stop work, the lamp panel is located the top of lamp pole.

Through adopting above-mentioned technical scheme, when the lamp panel is upwards promoted to needs, start the hoist engine, the hoist engine is rolled up the lifting rope, the effort that the fixed pulley will stimulate the lifting rope downwards converts the effort that promotes the lamp panel into, when the hoist engine is rolled up the lifting rope, the lifting rope drives gag lever post synchronous motion, the lamp panel rises, the gag lever post descends, when the gag lever post moves to limit switch department, limit switch control hoist engine stop work, the lamp panel is located the top of lamp pole. Through the cooperation of gag lever post and limit switch, realize the accurate control to lamp panel elevating position.

The application is further configured to: the lifting rope is two, and two lifting rope synchronous motion of hoist engine drive, the both ends of gag lever post can be dismantled with two lifting rope and be connected respectively.

Through adopting above-mentioned technical scheme, through setting up two lifting ropes, be convenient for strengthen the promotion stability to the lamp panel.

The application is further configured to: the lifting rope clamping device comprises a limiting rod, a lifting rope and a first clamping arm, wherein the limiting rod is arranged on the lifting rope, the lifting rope is arranged on the lifting rope, the first clamping arm is arranged on the upper portion of the lifting rope, the first clamping arm is arranged on the lower portion of the lifting rope, the lifting rope is arranged on the lifting rope, and the lifting rope is arranged on the lifting rope; and a positioning piece for limiting the position relation between the first clamping arm and the second clamping arm is arranged at the superposition position of the first clamping arm and the second clamping arm.

By adopting the technical scheme, the first clamping arm and the second clamping arm are respectively rotated around the rotation centers of the first clamping arm and the second clamping arm, one ends, far away from the limiting rod, of the first clamping arm and the second clamping arm are close to each other, when the inner wall of the first limiting half ring abuts against the outer wall of the lifting rope, the inner wall of the second limiting half ring abuts against the outer wall of the lifting rope, the lifting rope is limited in the limiting ring formed by the first limiting half ring and the second limiting half ring, clamping of the lifting rope by the first clamping arm and the second clamping arm is realized, fixed connection of the limiting rod and the lifting rope is conveniently realized, the position of the limiting rod on the lifting rope is kept unchanged, and synchronous motion of the limiting rod and the lifting rope is facilitated.

The application is further configured to: the utility model discloses a lamp pole, including limiting rod, lamp pole, first centre gripping arm, second centre gripping arm, articulated groove, hinge inslot portion, the axis parallel arrangement of axis and lamp pole of axis of rotation, first rotation hole has been seted up to first centre gripping arm, the second rotation hole has been seted up to the second centre gripping arm, and the both ends of axis of rotation run through respectively behind first rotation hole and the second rotation hole and the articulated groove is rotated and is connected.

Through adopting above-mentioned technical scheme, all peg graft in the inside in articulated groove with the tip of first centre gripping arm and second centre gripping arm, realize the rotation of first centre gripping arm and second centre gripping arm in articulated inslot portion through the axis of rotation, make the rotation center of first centre gripping arm and second centre gripping arm the same, adjust first centre gripping arm and second centre gripping arm through the rotation center, be convenient for adjust the aperture size of spacing ring, realize pressing from both sides tightly the lifting rope.

The application is further configured to: the gag lever post includes grafting portion and cup joints the portion, cup joint the portion and seted up the installation cavity along its axis direction, the one end of grafting portion is pegged graft in the inside of installation cavity, and the grafting portion that is located the installation cavity inside has set firmly spacing outer bulge loop along its radial direction, cup joint the portion and set firmly the spacing inner bulge loop that prevents grafting portion and deviate from in the opening part of installation cavity, and grafting portion can follow the axis direction reciprocating motion of cup jointing the portion.

Through adopting above-mentioned technical scheme, when the motion of two lifting ropes was inconsistent, the gag lever post took place to incline under the effect of two lifting ropes for distance increase between the gag lever post both ends removes along the axial direction of cup jointing portion through grafting portion, realizes gag lever post axial length's regulation, makes the gag lever post can adapt to the motion of two lifting ropes.

The application is further configured to: the inside of installation cavity is provided with restores the elastic component, the diapire fixed connection, the other end and the spacing evagination ring fixed connection of the one end and the installation cavity of restoring the elastic component.

Through adopting above-mentioned technical scheme, reply the elastic component through setting up, when gag lever post axial length changes, reply the elastic component and be in unnatural state, reply the trend that the elastic component produced the answer-back position, reply the trend that the elastic component drove the gag lever post and produce the answer-back position, be convenient for keep the horizontality of gag lever post, realize the restriction to the lifting rope, be convenient for keep the simultaneous movement of two lifting ropes.

The application is further configured to: the contact end of first centre gripping arm and second centre gripping arm sets firmly a plurality of first elasticity arch, a plurality of first elasticity arch is along first centre gripping arm surface equidistant setting.

Through adopting above-mentioned technical scheme, increase the frictional force between first centre gripping arm and the second centre gripping arm, be convenient for keep the tight of first centre gripping arm and the clamp of second centre gripping arm to the lifting rope.

The application is further configured to: the contact end of the second clamping arm and the first clamping arm is fixedly provided with a plurality of second elastic bulges, the second elastic bulges are arranged at equal intervals along the surface of the second clamping arm, a limiting groove is enclosed between every two adjacent first elastic bulges, and the second elastic bulges are inserted in the limiting groove.

Through adopting above-mentioned technical scheme, when adjusting the distance between first centre gripping arm and the second centre gripping arm around first centre gripping arm and second centre gripping arm rotation center, the second elastic bulge is pegged graft in the inside of spacing groove, realizes the rigidity to first centre gripping arm and second centre gripping arm, and at this moment, rethread setting element restriction position between first centre gripping arm and the second centre gripping arm, is convenient for realize the installation to the setting element, avoids first centre gripping arm and second centre gripping arm to break away from each other at the in-process of installation setting element.

The application is further configured to: the winch is a double-drum winch.

By adopting the technical scheme, on one hand, the synchronous driving of the two lifting ropes is convenient to realize; on the other hand, the two hoisting ropes are prevented from interfering with each other when being wound around the hoisting machine.

The application is further configured to: the lamp pole is internally and fixedly provided with a mounting seat for fixing the limit switch, and the mounting seat is arranged so as not to obstruct the movement of the lifting rope and the limiting rod.

Through adopting above-mentioned technical scheme, be convenient for install limit switch in the top of hoist engine.

In summary, the present application has the following beneficial effects:

first, through the hoist engine jack-up rope, the jack-up rope drives gag lever post synchronous motion, makes the lamp panel rise, and the gag lever post descends, and when the gag lever post moved to limit switch department, limit switch controlled hoist engine stop work, and at this moment, the lamp panel was located the top of lamp pole. The lifting position of the lamp panel is accurately controlled by the matching of the limiting rod and the limiting switch;

secondly, limiting the lifting rope in the limiting ring, clamping the lifting rope by the first clamping arm and the second clamping arm, fixedly connecting the limiting rod and the lifting rope, keeping the position of the limiting rod on the lifting rope fixed, and facilitating the realization of synchronous movement of the limiting rod and the lifting rope;

third, when the motion of two lifting ropes was inconsistent, the gag lever post took place the slope under the effect of two lifting ropes, made gag lever post axial length change, reply the trend that the elastic component drove the gag lever post and produced the answer-back position, realized the restriction to the lifting rope, was convenient for keep the simultaneous movement of two lifting ropes.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a sectional view taken along line A-A in FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 3;

FIG. 5 is a schematic view illustrating a connection relationship between a limiting rod, a first clamping arm and a second clamping arm according to an embodiment of the present disclosure;

FIG. 6 is a partial exploded view of FIG. 5;

FIG. 7 is a top view of the connection among the stop lever, the first holding arm and the second holding arm according to the second embodiment of the present disclosure;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;

fig. 9 is a partial exploded view of fig. 7.

In the figure, 1, a lamp post; 2. a twin-drum hoist; 3. a lamp panel; 4. a mounting seat; 5. a lift cord; 6. a limit switch; 7. a limiting rod; 71. a plug-in part; 711. a limiting convex ring; 712. a hinge slot; 72. a socket joint part; 721. a mounting cavity; 722. a limiting inner convex ring; 8. a fixed pulley; 9. an extension spring; 10. a first clamp arm; 101. a first rotation hole; 102. a first limit half ring; 20. a second clamp arm; 201. a second rotation hole; 202. a second limit semi-ring; 30. a rotating shaft; 40. a limiting ring; 50. a connecting bolt; 60. a first elastic protrusion; 70. a second elastic protrusion.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example one

Refer to fig. 1, for this application discloses a lift lamp stop device, including fixed mounting in the hoist engine of lamp pole 1, lamp pole 1 is vertical setting. The lamp post 1 is externally provided with a lamp panel 3 for installing an illuminating lamp, and the lamp panel 3 can move along the axis direction of the lamp post 1.

With reference to fig. 2 and 3, the lamp pole 1 is hollow, the hoist is a double-drum hoist 2, and the double-drum hoist 2 is installed at the lower end of the lamp pole 1.

The lamp pole 1 is characterized in that a mounting seat 4 is fixedly mounted inside the lamp pole 1, the mounting seat 4 is arranged in an L shape, the mounting seat 4 comprises a horizontal portion and a vertical portion, one side, far away from the vertical portion, of the horizontal portion extends to the upper portion of the double-drum winch 2, the horizontal portion covers the middle of the double-drum winch 2, and the lower surface of the horizontal portion and the double-drum winch 2 are arranged at intervals.

With reference to fig. 3 and 4, hoisting ropes 5 are respectively wound on the winding drums of each double-drum winch 2, the two hoisting ropes 5 are respectively arranged on two sides of the mounting base 4, the two hoisting ropes 5 are symmetrically arranged by taking the axis of the lamp pole 1 as a center, and the double-drum winch 2 drives the two hoisting ropes 5 to move synchronously. One end of the lifting rope 5, which is far away from the double-drum winch 2, extends to the top of the lamp pole 1, and the lifting rope 5 penetrates through the top of the lamp pole 1 and extends to the outside of the lamp pole 1.

The last fixed surface of 4 horizontal parts of mount pad has limit switch 6, is located and is provided with gag lever post 7 between 1 inside two lifting rope 5 of lamp pole, and the axis of gag lever post 7 and 1 axis of lamp pole set up perpendicularly, and the connection can be dismantled with two lifting rope 5 respectively at the both ends of gag lever post 7, realizes gag lever post 7 and 5 synchronous motion of lifting rope.

With reference to fig. 3 and 4, the top of the lamp post 1 is fixedly provided with two fixed pulleys 8, and the two fixed pulleys 8 are arranged at equal intervals along the radial direction of the upper end surface of the lamp post 1. The end of each lifting rope 5 positioned outside the lamp post 1 is wound on one of the fixed pulleys 8 positioned on one side of the axis of the lamp post 1 and then fixedly connected with the lamp panel 3. The double-drum winch 2 is started, the double-drum winch 2 winds up or releases the lifting rope 5, the fixed pulley 8 converts the acting force for pulling the lifting rope 5 downwards or upwards into the acting force for driving the lamp panel 3 to move up and down, and the lamp panel 3 is controlled to ascend or descend. When the lamp panel 3 descends to a certain height, the double-drum winch 2 is turned off, and the descending position of the lamp panel 3 is controlled. When the lamp panel 3 needs to be accurately controlled to ascend, the double-drum winch 2 is driven to roll up the lifting rope 5, the lamp panel 3 moves upwards under the action of the lifting rope 5, the lifting rope 5 located inside the lamp pole 1 drives the limiting rod 7 to move downwards, when the outer wall of the limiting rod 7 is in contact with the limiting switch 6, the limiting switch 6 controls the double-drum winch 2 to stop working, and the lamp panel 3 is located at the position, to be installed, of the top end of the lamp pole 1.

Referring to fig. 4, the limiting rod 7 includes an inserting portion 71 and a sleeve portion 72, a mounting cavity 721 is provided along an axial direction of the sleeve portion 72, an end portion of the inserting portion 71 is inserted into the mounting cavity 721, the sleeve portion 72 is integrally formed with a limiting inner collar 722 at an opening of the mounting cavity 721, the inserting portion 71 penetrates through an inner hole of the limiting inner collar 722, one end of the inserting portion 71 located inside the mounting cavity 721 extends along a radial direction thereof to form a limiting outer collar 711, the inserting portion 71 is prevented from being separated from the mounting cavity 721 by an interaction between the limiting inner collar 722 and the limiting outer collar 711, and the inserting portion 71 can reciprocate along the axial direction of the sleeve portion 72.

A return elastic part is arranged between the sleeving end of the plugging part 71 and the bottom wall of the mounting cavity 721, the return elastic part is an extension spring 9, one end of the extension spring 9 is fixedly connected with the sleeving end of the plugging part 71, and the other end of the extension spring is fixedly connected with the bottom wall of the mounting cavity 721.

Referring to fig. 5 and 6, the non-sleeving end of the inserting part 71 and the non-sleeving end of the sleeving part 72 are respectively connected with the corresponding hoisting ropes 5. The connection structure and effect between the non-sleeving end of the inserting portion 71 and the lifting rope 5 are the same as the connection structure and effect between the non-sleeving end of the sleeving portion 72 and the lifting rope 5, the connection between the non-sleeving end of the inserting portion 71 and the lifting rope 5 is taken as an example in this embodiment, and the connection structure between the non-sleeving end of the sleeving portion 72 and the lifting rope 5 is not repeated here. One side of grafting portion 71 orientation rather than corresponding lifting rope 5 is provided with first centre gripping arm 10 and second centre gripping arm 20, and first centre gripping arm 10 and second centre gripping arm 20 all are the level setting, and first centre gripping arm 10 and second centre gripping arm 20 all cup joint the end with the non-of grafting portion 71 and rotate and be connected.

Referring to fig. 5 and 6, the non-sleeved end of the insertion portion 71 is provided with a hinge groove 712, the hinge groove 712 is U-shaped, and an open end of the hinge groove 712 faces the first clamping arm 10 and the second clamping arm 20 on the corresponding side. One end of the first clamp arm 10 is located inside the hinge groove 712, and the other end extends to a side close to the lift cord 5; one end of the second gripping arm 20 is located inside the hinge groove 712, the other end extends to a side close to the lift cord 5, the first gripping arm 10 is located above the second gripping arm 20, and the lower surface of the first gripping arm 10 abuts against the upper surface of the second gripping arm 20.

The rotation shaft 30 is rotatably connected inside the hinge groove 712 in combination with fig. 5 and 6, the rotation shaft 30 is vertically arranged, and the axis of the rotation shaft 30 is parallel to the axis of the lamp post 1. The first clamping arm 10 is provided with a first rotating hole 101 at one end inside the hinge groove 712, the second clamping arm 20 is provided with a second rotating hole 201 at one end inside the hinge groove 712, the center of the first rotating hole 101 and the center of the second rotating hole 201 are located on a straight line, and the upper end and the lower end of the rotating shaft 30 are respectively connected with the side wall of the hinge groove 712 after penetrating through the first rotating hole 101 and the second rotating hole 201.

With reference to fig. 5 and 6, a first stop half ring 102 is disposed on a side of the first clamping arm 10 away from the rotating shaft 30, the first stop half ring 102 is U-shaped, and an open end of the first stop half ring 102 faces the lifting rope 5; a second limit half ring 202 is arranged on one side of the second clamping arm 20 far away from the rotating shaft 30, the second limit half ring 202 is arranged in a U shape, the open end of the second limit half ring 202 is arranged opposite to the open end of the first limit half ring 102, the first limit half ring 102 and the second limit half ring 202 enclose a limit ring 40 for clamping the lifting rope 5, the first clamping arm 10 and the second clamping arm 20 are simultaneously rotated by taking the rotating shaft 30 as the center, one end of the first clamping arm 10 far away from the rotating shaft 30 and one end of the second clamping arm 20 far away from the rotating shaft 30 are adjusted to be close to each other, the inner diameter of the limit ring 40 is reduced, the inner wall of the first limit half ring 102 is enabled to be abutted against the outer wall of the corresponding lifting rope 5, the outer wall of the second limit half ring 202 is enabled to be abutted against the outer wall of the corresponding lifting rope 5, clamping of the lifting rope 5 by the first clamping arm 10 and the second clamping arm 20, the position of the limiting rod 7 on the lifting rope 5 is kept fixed, and synchronous movement of the limiting rod 7 and the lifting rope 5 is facilitated.

With reference to fig. 5 and 6, a positioning element for limiting the position relationship between the first clamping arm 10 and the second clamping arm 20 is disposed at the overlapping position of the first clamping arm 10 and the second clamping arm 20, the positioning element includes a connecting bolt 50, the connecting bolt 50 and the rotating shaft 30 are respectively disposed at two sides of the lifting rope 5, clamping of the first clamping arm 10 and the second clamping arm 20 to the lifting rope 5 is realized under the action of the connecting bolt 50, and in the process that the limiting rod 7 moves synchronously along with the lifting rope 5, the first clamping arm 10 and the second clamping arm 20 move reversely to separate from the lifting rope 5.

Example two

The difference between the second embodiment and the first embodiment is that, with reference to fig. 7 and 8, a plurality of first elastic protrusions 60 are bonded to a side of the lower surface of the first clamping arm 10, which is close to the connecting bolt 50, the plurality of first elastic protrusions 60 are disposed at equal intervals along the overlapping portion of the first clamping arm 10 and the second clamping arm 20, and a spacing groove is defined between adjacent first elastic protrusions 60, so that when the first clamping arm 10 and the second clamping arm 20 are fastened, the second clamping arm 20 presses the first elastic protrusions 60, and the friction force between the first clamping arm 10 and the second clamping arm 20 is increased.

Referring to fig. 8 and 9, a plurality of second elastic protrusions 70 are bonded to the upper surface of the second clamping arm 20, the second elastic protrusions 70 are disposed at equal intervals along the overlapping portion of the first clamping arm 10 and the second clamping arm 20, when the connecting bolt 50 needs to be installed, the first clamping arm 10 and the second clamping arm 20 are firstly buckled with each other, the second elastic protrusions 70 are inserted into the limiting grooves, the connection state of the first clamping arm 10 and the second clamping arm 20 is maintained under the interaction of the first elastic protrusions 60 and the second elastic protrusions 70, the overlapping portion of the first clamping arm 10 and the second clamping arm 20 is prevented from being deviated when the connecting bolt 50 is driven, and thus the clamping state of the lifting rope 5 by the first clamping arm 10 and the second clamping arm 20 is maintained.

The implementation principle of the embodiment is as follows: when the lighting lamp needs to be maintained or replaced, the double-drum winch 2 is started, the lifting rope 5 is loosened by the double-drum winch 2, the lamp panel 3 descends along the axis direction of the lamp post 1 under the action of gravity, and when the lamp panel 3 descends to a certain height, the double-drum winch 2 is closed, so that the descending position of the lamp panel 3 is controlled.

When the lamp panel 3 needs to be lifted upwards, the double-drum winch 2 is started, the double-drum winch 2 winds up the lifting rope 5, the fixed pulley 8 converts the acting force for pulling the lifting rope 5 downwards into the acting force for lifting the lamp panel 3, the lifting rope 5 drives the limiting rod 7 to move synchronously when the double-drum winch 2 winds up the lifting rope 5, the lamp panel 3 rises, the limiting rod 7 descends, when the limiting rod 7 contacts the limiting switch 6, the limiting switch 6 controls the double-drum winch 2 to stop working, and the lamp panel 3 is located at the top end of the lamp pole 1. Through the cooperation of gag lever post 7 and limit switch 6, realize the accurate control to lamp panel 3 elevating position.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The lifting lamp limiting device comprises a winch fixedly arranged inside the lamp post (1), a lifting rope (5) is wound on the winch, the upper end of the lamp post (1) is provided with a fixed pulley (8), the outside of the lamp post (1) is provided with a lamp panel (3) which can move along the axial direction of the lamp post (1), one end of the lifting rope (5) far away from the winch is wound on the fixed pulley (8) and then fixedly connected with the lamp panel (3), it is characterized in that a limit switch (6) is fixedly arranged inside the lamp post (1), a limiting rod (7) for starting the limiting switch (6) is arranged on the lifting rope (5), the limiting rod (7) and the lifting rope (5) move synchronously, when the limiting rod (7) moves to the limiting switch (6), the limiting switch (6) controls the winch to stop working, and the lamp panel (3) is located at the top end of the lamp pole (1).

2. The stop device of claim 1, wherein the number of the lifting ropes (5) is two, the winch drives the two lifting ropes (5) to move synchronously, and two ends of the stop rod (7) are detachably connected with the two lifting ropes (5) respectively.

3. A stop device according to claim 2, characterized in that the connecting ends of the stop rod (7) and the hoisting rope (5) are provided with a first gripping arm (10) and a second gripping arm (20), the first clamping arm (10) is positioned above the second clamping arm (20), the first clamping arm (10) and the second clamping arm (20) are rotatably connected with the limiting rod (7), one end of the first clamping arm (10) far away from the limiting rod (7) is provided with a first limiting semi-ring (102), one end of the second clamping arm (20) far away from the limiting rod (7) is provided with a second limiting half ring (202), the opening ends of the first limiting half ring (102) and the second limiting half ring (202) are oppositely arranged to form a limiting ring (40), the axis of the limiting ring (40) is overlapped with the axis of the lifting rope (5), and the lifting rope (5) penetrates through the limiting ring (40); and a positioning piece for limiting the position relation between the first clamping arm (10) and the second clamping arm (20) is arranged at the superposition position of the two clamping arms.

4. The stop device of claim 3, wherein a hinge groove (712) is formed in one end of the stop lever (7) facing the lifting rope (5), a rotating shaft (30) is rotatably connected inside the hinge groove (712), an axis of the rotating shaft (30) and an axis of the lamp post (1) are arranged in parallel, the first clamping arm (10) is provided with a first rotating hole (101), the second clamping arm (20) is provided with a second rotating hole (201), and two ends of the rotating shaft (30) respectively penetrate through the first rotating hole (101) and the second rotating hole (201) and are rotatably connected with the hinge groove (712).

5. The stop device of claim 1, wherein the stop rod (7) comprises an insertion part (71) and a sleeve part (72), the sleeve part (72) is provided with an installation cavity (721) along the axial direction thereof, one end of the insertion part (71) is inserted into the installation cavity (721), the insertion part (71) positioned inside the installation cavity (721) is fixedly provided with a limit outward convex ring (711) along the radial direction thereof, the sleeve part (72) is fixedly provided with a limit inward convex ring (722) for preventing the insertion part (71) from coming off at the opening of the installation cavity (721), and the insertion part (71) can reciprocate along the axial direction of the sleeve part (72).

6. The stop device of claim 5, wherein a resilient member is disposed inside the mounting cavity (721), one end of the resilient member is fixedly connected to the bottom wall of the mounting cavity (721), and the other end of the resilient member is fixedly connected to the stop collar (711).

7. The stop device of claim 3, wherein the contact end of the first holding arm (10) and the second holding arm (20) is fixedly provided with a plurality of first elastic protrusions (60), and the plurality of first elastic protrusions (60) are arranged at equal intervals along the surface of the first holding arm (10).

8. The stop device of claim 7, wherein a plurality of second elastic protrusions (70) are fixedly arranged at the contact end of the second clamping arm (20) and the first clamping arm (10), the plurality of second elastic protrusions (70) are arranged at equal intervals along the surface of the second clamping arm (20), a limit groove is defined between adjacent first elastic protrusions (60), and the second elastic protrusions (70) are inserted into the limit groove.

9. The lantern spacing device of claim 1, wherein the hoist is a double drum hoist (2).

10. The stop device of claim 1, wherein a mounting seat (4) for fixing the limit switch (6) is fixedly arranged in the lamp post (1), and the mounting seat (4) does not obstruct the movement of the lifting rope (5) and the limit rod (7).

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