CN110649367B

CN110649367B - Antenna mounting structure in elevator shaft

Info

Publication number: CN110649367B
Application number: CN201910897137.4A
Authority: CN
Inventors: 王翠翠
Original assignee: Shenzhen Grentech Communication Technology Service Co ltd
Current assignee: Shenzhen Grentech Communication Technology Service Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-10-30
Anticipated expiration: 2039-09-23
Also published as: CN110649367A

Abstract

The invention relates to an installation structure for elevator communication, in particular to an antenna installation structure in an elevator shaft, which comprises a fixed base and an antenna base, wherein the fixed base is fixed on the vertical side wall of the elevator shaft, the antenna base is rotatably connected with the fixed base through a horizontal shaft, the antenna installation structure also comprises a guide assembly, a follower and a guide rail, the guide rail is vertically arranged, the follower is vertically and slidably connected with the guide rail, the follower is connected with the antenna base through a steel wire rope, the steel wire rope is wound on the guide assembly, and the lifting direction of the follower is the same as the rotating direction of the antenna base. Along with the lift in the elevator well, the elevator can drive the follower and go up and down along the guide rail, and then the follower utilizes wire rope to drive antenna base relative fixed base rotation under the effect of direction subassembly, has realized that antenna base rises or descends in step in the lift in-process or descends to promote panel antenna's coverage, thereby reduce panel antenna's the quantity of arranging.

Description

Antenna mounting structure in elevator shaft

Technical Field

The invention relates to an installation structure for elevator communication, in particular to an antenna installation structure in an elevator shaft.

Background

In daily life, the situation that after entering an elevator, a communication device loses signals is often encountered, so that normal communication cannot be performed in the elevator taking stage. In order to solve the problem, an antenna is usually erected in the elevator shaft at the present stage, so that the communication in the elevator shaft can be normally carried out, the communication equipment comprises a panel antenna and a periodic logarithmic antenna, the panel antenna is installed in the elevator shaft, and the periodic logarithmic antenna is installed on the roof. The flat antenna is generally provided with a plurality ofly in the elevator shaft, and the flat antenna is fixed on the wall of elevator shaft through antenna mounting structure, and the orientation of flat antenna need be adjusted at the in-process of installation to guarantee the signal equipartition in the elevator shaft.

The existing antenna mounting structure comprises a fixed base and an antenna base, wherein the fixed base is fixed on the wall surface of a vertical elevator shaft, a horizontal hinged shaft is adopted between the antenna base and the fixed base to be rotatably connected, and the hinged shaft between the antenna base and the fixed base is parallel to the plane on which the fixed base is fixed. When the orientation of the antenna needs to be adjusted, the antenna base can be adjusted by rotating relative to the fixed base.

The shortcoming of the prior art is that, antenna in the elevator shaft is once after angle and orientation are adjusted, generally can not adjust again, and the ability that panel antenna received and transmitted to its signal towards the direction at place is stronger, and other directions then can be weaker, if the degree of depth of elevartor shaft is when darker, for realizing comprehensive coverage, then need set up a plurality of panel antennas, because panel antenna's coverage is limited again, the quantity of the panel antenna that consequently needs can be more to lifting cost.

Disclosure of Invention

The invention aims to provide an antenna mounting structure in an elevator shaft, which achieves the effect of reducing the number of antennas arranged in the elevator shaft.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an antenna mounting structure in elevator shaft, includes unable adjustment base and antenna base, and unable adjustment base fixes on the vertical lateral wall of elevartor shaft, and the antenna base passes through the horizontal axis and rotates with unable adjustment base to be connected, antenna mounting structure still includes direction subassembly, follower and guide rail, and the vertical setting of guide rail, follower and the vertical sliding connection of guide rail are connected through wire rope between follower and the antenna base, and the wire rope wiring is on the direction subassembly to the direction of rise and fall of follower is the same with the direction of rotation of antenna base.

Through adopting above-mentioned technical scheme, along with the elevator goes up and down in the elevator shaft, the elevator can drive the follower and go up and down along the guide rail, and later the follower utilizes wire rope to drive antenna base relative fixed base rotation under the effect of direction subassembly, has realized ascending or descending in-process antenna base synchronization at the elevator to promote panel antenna's coverage, thereby reduce panel antenna's the quantity of arranging.

The invention is further configured to: be provided with spacing subassembly on the guide rail, spacing subassembly includes spacing subassembly and lower spacing subassembly.

Through adopting above-mentioned technical scheme, utilize last limit subassembly and lower limit subassembly to carry on spacingly to the follower, guarantee that the stroke of follow-up subassembly is in reasonable within range, can not drive antenna base relative fixed base excessive movement.

The invention is further configured to: the upper limit position assembly comprises a fixed plate, a spring, a hook and a supporting rod, the fixed plate is fixed on the guide rail, the upper end of the hook is hinged with the fixed plate, the upper end of the supporting rod is fixedly connected with the fixed plate, two ends of the spring are respectively fixedly connected with the fixed plate and the hook, and the hook is abutted against the supporting rod under the elastic action of the spring; the follower is provided with a clamping groove which is hooked with the hook.

Through adopting above-mentioned technical scheme, when the follower upwards move to with last limit bit module butt, at first the follower can with couple looks butt, couple relatively fixed plate rotates, when the draw-in groove of follower removes to couple department, under the elastic force effect of spring, the couple is gone into in the draw-in groove rapidly card, and the follower is not moved up again after the fixed plate is spacing this moment, the follower stimulates couple and draw-in groove butt under the effect of spring elastic force, play the joint limiting displacement to the follower, avoid the follower to fall along the guide rail under the action of gravity.

The invention is further configured to: a buffer block is fixedly arranged below the fixing plate.

Through adopting above-mentioned technical scheme, can reduce the striking effort of follower to the fixed plate.

The invention is further configured to: the guide assembly comprises a pulley block, the pulley block comprises a plurality of fixed pulleys, and the fixed pulleys are fixedly connected with an elevator shaft or a guide rail.

By adopting the technical scheme, the arrangement path of the steel wire rope can be changed by utilizing the pulley block formed by the fixed pulleys, so that the antenna base can also rotate upwards when the follower rises, and the moving synchronism of the follower and the antenna base is ensured.

The invention is further configured to: the direction subassembly still includes the speed governing subassembly, including first runner and second runner, through belt transmission between first runner and the second runner, the diameter of second runner is greater than the diameter of first runner, the pivot fixed connection of a certain fixed pulley in first runner and the assembly pulley, the fixed first book of receiving that is provided with in the pivot of first runner, first book of receiving is used for accomodating the wire rope of connecting the follower, the book is received to the axis of rotation fixedly connected with second of second runner, the second is received the book and is used for accomodating the wire rope of connecting the antenna base.

Through adopting above-mentioned technical scheme, when the follower rises or when descending, the follower can drive first receipts line book rolling or unreel, thereby drive first runner and rotate, first runner drives the rotation of second runner, the second runner drives the second and receives the line book and carry out the rolling or unreel, thereby it rotates to drive the relative fixing base of antenna base, and because the rotational speed of first runner and second runner is inconsistent, the long distance that can realize the follower removes the short distance that can drive the antenna base and rotates, thereby make the turned angle of antenna base can adapt to the removal height of elevator more.

The invention is further configured to: and dampers are arranged on the hinged shafts of the fixed base and the antenna base.

Through adopting above-mentioned technical scheme, utilize the attenuator can guarantee the homogeneity of slew velocity between antenna base and the unable adjustment base.

The invention is further configured to: the follower is fixedly provided with a magnet.

Through adopting above-mentioned technical scheme, the elevator passes through magnetic force and drives the follower and goes up and down.

In summary, the present invention has the following technical effects:

1. by arranging the follower, the guide rail and the guide assembly, the effect of driving the antenna base to rotate relative to the fixed base by utilizing the lifting of the follower assembly is achieved, so that the coverage range of a single panel antenna is enlarged, and the arrangement number of the panel antennas is reduced;

2. by arranging the speed regulating component, the effect of regulating the ratio of the speed of the follower to the moving speed of the antenna base is achieved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view showing a partial structure of the upper limit assembly;

FIG. 3 is a schematic view showing a partial structure of the governor assembly.

In the figure, 1, a base is fixed; 2. an antenna base; 3. a follower; 31. a card slot; 4. a guide assembly; 411. a first pulley; 412. a second pulley; 421. a first runner; 422. a second runner; 43. a first take-up coil; 44. a second take-up coil; 5. a guide rail; 51. an upper limit component; 511. a fixing plate; 512. a spring; 513. hooking; 514. a support bar; 52. and a lower limit component.

Detailed Description

As shown in fig. 1, the present invention introduces an antenna mounting structure in an elevator shaft, which comprises a fixed base 1, an antenna base 2, a guide assembly 4, a follower 3 and a guide rail 5, wherein the fixed base 1 is fixed on a vertical side wall of the elevator shaft, and the antenna base 2 is rotatably connected with the fixed base 1 through a horizontal shaft; guide rail 5 vertical setting, guide rail 5 and elevartor shaft relatively fixed, follower 3 and the vertical sliding connection of guide rail 5, follower 3 is connected with antenna base 2 through wire rope and guide assembly 4, and the wire rope wraparound is on guide assembly 4. When the elevator runs in the elevator shaft, the elevator can drive the follower 3 to ascend or descend along the guide rail 5 along with the elevator, and when the follower 3 ascends or descends, the follower 3 drives the antenna base 2 to rotate upwards or downwards relative to the fixed base 1 under the action of the steel wire rope and the guide assembly 4, so that the antenna base 2 can face the elevator as far as possible in the ascending and descending process of the elevator, the coverage range of a single flat antenna is expanded, and the number of the flat antennas can be reduced.

The guide assembly 4 can be a pulley block, the pulley block is a plurality of fixed pulleys, the number of the fixed pulleys is an even number, a support of each fixed pulley is fixedly connected with the side wall of the elevator shaft or the guide rail 5, and two ends of the steel wire rope are fixedly connected with the follower 3 and the upper side face of the antenna base 2 respectively. When the number of the fixed pulleys is even, it is ensured that the moving direction of the follower 3 coincides with the rotating direction of the antenna base 2, that is, the antenna base 2 rotates upward when the follower 3 moves upward, and the antenna base 2 rotates downward when the follower 3 moves downward.

As shown in fig. 2 and 3, the guiding assembly 4 may also comprise a pulley block and a governor assembly, the pulley block still comprising a plurality of fixed pulleys, the supports of which are fixedly connected to the hoistway wall or guide rail 5. In this embodiment, the pulley block comprises a first pulley 411 (see fig. 2) and a second pulley 412 (see fig. 3), the support of the first pulley 411 is fixed on the guide rail 5, and the support of the second pulley 412 is fixed on the elevator shaft side wall. As shown in fig. 3, the speed adjusting assembly is a belt transmission assembly, and includes a first rotating wheel 421 and a second rotating wheel 422, the first rotating wheel 421 and the second rotating wheel 422 are connected through a belt, the diameter of the second rotating wheel 422 is greater than that of the first rotating wheel 421, the first rotating wheel 421 is fixedly connected to a rotating shaft of one fixed pulley of the pulley block, a first take-up reel 43 is fixedly disposed on the rotating shaft of the first rotating wheel 421, the first take-up reel 43 is used for accommodating a steel wire rope connected to the follower 3, the rotating shaft of the second rotating wheel 422 is fixedly connected to a second take-up reel 44, the second take-up reel 44 is used for accommodating a steel wire rope connected to the antenna base 2, and supports of the first take-up reel 44 and the second take-up reel 43 are fixed. When follower 3 rises or descends, follower 3 can drive first receipts line book 43 rolling or unreel, thereby drive first runner 421 and rotate, first runner 421 drives second runner 422 and rotates, second runner 422 drives second receipts line book 44 and carries out the rolling or unreel, thereby drive antenna base 2 and rotate relatively fixed base 1, and because the rotational speed of first runner 421 and second runner 422 is inconsistent, the long distance that can realize follower 3 removes the short distance that can drive antenna base 2 and rotates, thereby make antenna base 2's turned angle can adapt to the removal height of elevator more.

The rotating shaft of the first take-up coil 43 or the second take-up coil 44 is preferably provided with an elastic reset structure, such as a torsion spring or a spiral spring, so that when the follower 3 ascends or descends, the elastic reset structure can be used to indirectly or directly drive the first take-up coil 43 to be wound when the rope is loosened, the steel wire rope is always in a tightened state, and meanwhile, the antenna base 2 can be ensured to stably rotate along with the ascending and descending of the follower 3.

As shown in fig. 1, in order to avoid that the guide rail 5 moves along with the elevator due to an excessively long stroke, the steel wire rope and the antenna base receive an excessively large pulling force, a limiting component may be disposed on the guide rail 5, and the limiting component includes an upper limiting component 51 and a lower limiting component 52, which respectively limit the upper and lower limit positions of the follower 3, so as to ensure that the stroke of the follower 3 is within a reasonable range, and the antenna base 2 is not driven to excessively move relative to the fixing base 1.

After the elevator is separated from the follower 3, the upper limit position limiting component 51 can preferably carry out limit support on the follower 3, ensure that the follower 3 does not slide down along the guide rail 5 under the action of self gravity when in a high position, ensure that the antenna base 2 inclines upwards, and facilitate the elevator to be in the coverage range of the flat antenna when the elevator descends. As shown in fig. 2, the upper limit position limiting assembly 51 includes a fixing plate 511, a spring 512, a hook 513 and a supporting rod 514, the fixing plate 511 is fixed on the guide rail 5, the upper end of the hook 513 is hinged to the fixing plate 511, the upper end of the supporting rod 514 is fixedly connected to the fixing plate 511, two ends of the spring 512 are respectively fixedly connected to the fixing plate 511 and the hook 513, and the hook 513 is abutted to the supporting rod 514 under the elastic force of the spring 512; the follower 3 is provided with a slot 31 hooked with the hook 513. When the follower 3 moves upwards to abut against the upper limit stop assembly 51, firstly, the follower 3 abuts against the hook 513, the hook 513 rotates relative to the fixing plate 511, when the clamping groove 31 of the follower 3 moves to the position of the hook 513, the hook 513 is rapidly clamped into the clamping groove 31 under the action of the elastic force of the spring 512, at the moment, the follower 3 does not move upwards any more after being limited by the fixing plate 511, the follower 3 pulls the hook 513 to abut against the clamping groove 31 under the action of the elastic force of the spring 512, the clamping limiting effect on the follower 3 is achieved, and the follower 3 is prevented from falling down along the guide rail 5 under the action of gravity.

In this embodiment, the first pulley 411 is disposed above the upper limit assembly 51, the second pulley 412 is disposed above the fixed base 1, and the wire rope of the follower 3 is fixed above the follower 3.

In order to reduce the impact force of the follower on the fixing plate 511, a buffer block made of a flexible material may be fixedly disposed below the fixing plate 511, or a buffer block may be fixedly disposed above the lower limiting member 52.

The dampers can be arranged on the hinged shafts of the fixed base 1 and the antenna base 2, and the uniformity of the rotating speed between the antenna base and the fixed base can be ensured by using the dampers. The damper can adopt a hydraulic damper, and particularly, the authorized bulletin number is CN 108840241B.

The mode that the follower 3 is driven by the elevator can be various, such as mechanical limit linkage, the embodiment adopts magnetic attraction to link, magnets which are mutually attracted are arranged on the follower 3 and the elevator, when the elevator approaches the follower 3, the follower 3 can be driven to lift through the attraction of the magnetic force, and when the follower 3 is in limit contact with the upper limit position assembly 51 and the lower limit position assembly 52, the elevator and the follower 3 can be conveniently separated from each other.

The working process of the invention is as follows:

in the process of the lift rising, the lift drives the follower 3 to rise along the guide rail 5 through the magnetic attraction effect of the lift and the follower 3, along with the rising of the follower 3, a steel wire rope connected with the follower 3 begins to loosen, at the moment, the first take-up coil 43 begins to be wound under the driving of the elastic reset structure, the steel wire rope on the follower 3 is ensured to be in a tensioning state, and in the process, the first take-up coil 43 drives the second take-up coil 44 to rotate through the linkage effect of the first rotating wheel 421 and the second rotating wheel 422, so that the antenna base 2 is driven to rotate upwards, the antenna base 2 is ensured to always face the lift until the follower 3 is abutted and limited with the upper limiting component 51;

when the follower 3 moves upwards to abut against the upper limit position limiting component 51, firstly, the follower 3 abuts against the hook 513, the hook 513 rotates relative to the fixing plate 511, when the slot 31 of the follower 3 moves to the hook 513, the hook 513 is rapidly clamped into the slot 31 under the action of the elastic force of the spring 512, at the moment, the follower 3 is not moved upwards any more after being limited by the fixing plate 511, and the follower 3 pulls the hook 513 to abut against the slot 31 under the action of the elastic force of the spring 512;

in the process of elevator whereabouts, through the magnetic attraction effect of elevator and follower 3, the elevator gives 3 decurrent effort of follower, drive follower 3 and break away from couple 513, make follower 3 along with the elevator slides down, follower 3 stimulates wire rope and drives first receipts line book 43 and unreel, and then drive second receipts line book 44 and unreel through the linkage effect of first runner 421 and second runner 422, make antenna base 2 relatively fixed base 1 rotate downwards, guarantee antenna base 2 towards the elevator all the time, it is spacing to reach lower spacing subassembly 52 butt with the follower 3.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. An antenna mounting structure in an elevator shaft comprises a fixed base (1) and an antenna base (2), wherein the fixed base (1) is fixed on a vertical side wall of the elevator shaft, and the antenna base (2) is rotatably connected with the fixed base (1) through a horizontal shaft, and the antenna mounting structure is characterized by further comprising a guide assembly (4), a follower (3) and a guide rail (5), wherein the guide rail (5) is vertically arranged, the follower (3) is vertically and slidably connected with the guide rail (5), the follower (3) is connected with the antenna base (2) through a steel wire rope and the guide assembly (4), the steel wire rope is wound on the guide assembly (4), and the lifting direction of the follower (3) is the same as the rotating direction of the antenna base (2); the guide assembly (4) comprises a pulley block, the pulley block comprises a first pulley 411 and a second pulley 412, a support of the first pulley (411) is fixed on the guide rail (5), a support of the second pulley (412) is fixed on the side wall of the elevator shaft, the first pulley (411) is located above the follower (3), the second pulley (412) is located above the fixed base (1) and below the first pulley (411), and two ends of the steel wire rope are fixedly connected with the upper side faces of the follower (3) and the antenna base (2) respectively.

2. An antenna mounting structure in an elevator shaft according to claim 1, characterized in that a limit component is provided on the guide rail (5), and the limit component comprises an upper limit component (51) and a lower limit component (52).

3. The antenna mounting structure in the elevator shaft according to claim 2, wherein the upper limit component (51) comprises a fixing plate (511), a spring (512), a hook (513) and a support rod (514), the fixing plate (511) is fixed on the guide rail (5), the upper end of the hook (513) is hinged to the fixing plate (511), the upper end of the support rod (514) is fixedly connected with the fixing plate (511), two ends of the spring (512) are respectively fixedly connected with the fixing plate (511) and the hook (513), and the hook (513) is abutted to the support rod (514) under the elastic force of the spring (512); the follower (3) is provided with a clamping groove (31) which is hooked with the hook (513).

4. An antenna mounting structure in an elevator shaft according to claim 3, wherein a buffer block is fixedly provided below the fixing plate (511).

5. The antenna mounting structure in the elevator shaft according to claim 1, wherein the guide assembly (4) further comprises a speed regulation assembly, the speed regulation assembly is a rotating wheel set and comprises a first rotating wheel (421) and a second rotating wheel (422), the first rotating wheel (421) and the second rotating wheel (422) are in transmission through a belt, the diameter of the second rotating wheel (422) is larger than that of the first rotating wheel (421), the first rotating wheel (421) is fixedly connected with a rotating shaft of one fixed pulley in the pulley set, a first take-up reel (43) is fixedly arranged on the rotating shaft of the first rotating wheel (421), the first take-up reel (43) is used for accommodating a steel wire rope connected with the follower (3), a rotating shaft of the second rotating wheel (422) is fixedly connected with a second take-up reel (44), and the second take-up reel (44) is used for accommodating a steel wire rope connected with the antenna base (2).

6. An antenna mounting structure in an elevator shaft according to claim 5, wherein a damper is mounted on a hinge shaft of the fixing base (1) and the antenna base (2).

7. An antenna mounting structure in an elevator shaft according to claim 1, wherein a magnet is fixedly provided on the follower (3).