CN210217251U

CN210217251U - Safe type hydraulic pressure lift stage that operates steadily

Info

Publication number: CN210217251U
Application number: CN201920029077.XU
Authority: CN
Inventors: Xiaowei Zhang; 张小伟; Meng Yang; 杨孟; Xingping Zhao; 赵兴平; Dengchao Jiao; 焦登朝
Original assignee: Guangzhou Licheng Hydraulic Machinery Co Ltd
Current assignee: Guangzhou Licheng Hydraulic Machinery Co Ltd
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2020-03-31
Anticipated expiration: 2029-01-09

Abstract

The utility model discloses a safe type hydraulic pressure lift stage that operates steadily, including stage body and electronic hydraulic rod, the inboard fixed surface of stage body welds the rack, the left side bottom fixedly connected with control button of stage body, the both sides bottom of stage body all is connected with the business turn over door, and the inboard fixedly connected with base of business turn over door, the top left side of base articulates there is the head rod, the right side top of base articulates there is the second connecting rod, and the central point of second connecting rod puts the department and puts the department through the articulated shaft with the central point of head rod and be connected, the fixed welding of the position that the top of base is close to the head rod has the fixed block. The utility model discloses be provided with rack and gear and guarantee that hydraulic lifting platform operates steadily, make the hydraulic lifting platform of the urgent whereabouts of breaking down stop the whereabouts through fixed disk and snap ring, guaranteed user's safety, shelter from the crack between elevating platform and the stage through the dog, avoid the clothing to be cliied.

Description

Safe type hydraulic pressure lift stage that operates steadily

Technical Field

The utility model relates to a lift stage technical field specifically is a safe type hydraulic pressure lift stage that operates steadily.

Background

The lifting stage has the main functions of moving the scene up and down and moving the actors up and down during scene conversion, is the most common product of the stage, and can be gradually lifted up to highlight the actors, and the performance effect can be improved in the process of lifting the stage.

Present current lift stage all is that the hydraulic pressure that directly adopts goes up and down or adopts folding support to go up and down at present, because the unable operate steadily of uneven elevating platform of gravity when having the actor to stand on the elevating platform, easily produce and rock the result of use who influences the user, simultaneously can't guarantee user's safety when hydraulic lift platform breaks down, the elevating platform has certain potential safety hazard, the crack between elevating platform and the stage often can clip the skirt pendulum of actor in addition, positions such as clothing angle, probably can consequently tear the clothes, thereby lead to the emergence of performance accident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe type hydraulic pressure lift stage that operates steadily to there is potential safety hazard in the unable operation of elevating platform, elevating platform trouble that provide in solving above-mentioned background art and the crack between elevating platform and the stage can carry the problem of clothing.

In order to achieve the above object, the utility model provides a following technical scheme: a safe hydraulic lifting stage which runs stably comprises a stage body and an electric hydraulic push rod, wherein a rack is fixedly welded on the inner side surface of the stage body, a control button is fixedly connected to the left side bottom end of the stage body, the bottom ends of the two sides of the stage body are both connected with an access door, a base is fixedly connected to the inner side of the access door, a first connecting rod is hinged to the left side of the top end of the base, a second connecting rod is hinged to the top end of the right side of the base, the central position of the second connecting rod is connected with the central position of the first connecting rod through a hinged shaft, a fixed block is fixedly welded on the top end of the base close to the position of the first connecting rod, the bottom end of the electric hydraulic push rod is hinged inside the fixed block, the top end of the electric hydraulic push rod is hinged to the surface of a fixed, the utility model discloses a hydraulic lifting platform, including first connecting rod, second connecting rod, first connecting rod and second connecting rod, the top of first connecting rod and second connecting rod all articulates there is hydraulic lifting platform, and the all fixedly connected with dog in the top both sides of hydraulic lifting platform, the both sides of hydraulic lifting platform all fixed welding have the mount, and the inboard fixed mounting of mount has the fixed disk, the inside central point department of putting of fixed disk has cup jointed the pivot through the bearing frame, and the fixed surface of pivot is connected with the carousel, the surface connection of carousel has the snap ring, the back.

Preferably, the racks are provided with two groups, gaps between the tooth blocks on the surfaces of the racks and the tooth blocks on the surfaces of the gears are consistent, and the area of the gears is larger than that of the fixed disc.

Preferably, the mount is provided with two sets ofly, and the pivot has been cup jointed through the bearing frame in the inside of mount, the rotary type structure is constituteed with the mount to the pivot.

Preferably, the stop block is of a circular ring structure, and the cross section of the stop block is of an arc structure with a high outer part and a low inner part.

Preferably, the inner wall of fixed disk is equalled to the angle and is evenly provided with the draw-in groove, the snap ring is oval structure, and one side surface of snap ring is equalled to the angle and is evenly provided with the fixture block with fixed disk inner wall draw-in groove matched with.

Preferably, the inner wall of one side of the clamping ring is provided with a protrusion, one side of the turntable is provided with a groove, and the radius of the groove is larger than the radius of the protrusion of the inner wall of the clamping ring.

Compared with the prior art, the beneficial effects of the utility model are that: this safe type hydraulic lifting stage that operates steadily is provided with rack and gear and guarantees that hydraulic lifting platform operates steadily, and difficult production rocks, makes the hydraulic lifting platform of the urgent whereabouts that breaks down stop falling through fixed disk and snap ring, has guaranteed user's safety, shelters from the crack between elevating platform and the stage through the dog, and positions such as the skirt pendulum of actor, clothing angle can not be cliied.

(1) The device is through being provided with rack and gear, and when having the actor to stand on the elevating platform, through the gear slow slip on the rack guarantee that hydraulic elevating platform operates steadily, difficult production is rocked, has improved user's result of use.

(2) The device passes through fixed disk and snap ring, and when hydraulic elevating platform broke down and promptly fell, the snap ring blocked the fixed disk under the effect of centrifugal force to the snap ring blocks the carousel and avoids carousel and pivot to rotate, thereby makes hydraulic elevating platform stop the whereabouts, has guaranteed user's safety, has improved hydraulic elevating platform's security.

(3) The device shelters from the crack between hydraulic elevating platform and the stage body through the annular of dog constitution, and positions such as the skirt pendulum of actor, clothing angle can not be cliied, have reduced the emergence of performance accident.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic view of the normal state of the front view section of the gear and the fixed disk structure of the present invention;

FIG. 3 is a schematic view of the gear and the fixing plate structure of the present invention showing a locked state in front view;

fig. 4 is a schematic top sectional view of the structure of the gear and the fixing disk of the present invention.

In the figure: 1. a stage body; 2. a rack; 3. a hydraulic lifting platform; 4. a fixed mount; 5. a stopper; 6. a control button; 7. an entrance door; 8. a base; 9. a first connecting rod; 10. a fixed block; 11. an electric hydraulic push rod; 12. a second connecting rod; 13. a gear; 14. fixing the disc; 15. a snap ring; 16. a turntable; 17. a rotating shaft; 18. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a safe hydraulic lifting stage which runs stably comprises a stage body 1 and an electric hydraulic push rod 11, wherein racks 2 are fixedly welded on the inner side surface of the stage body 1, two sets of racks 2 are arranged, the sizes of gaps between tooth blocks on the surface of the racks 2 and tooth blocks on the surface of a gear 13 are consistent, the area of the gear 13 is larger than that of a fixed disc 14, the fixed disc 14 does not influence the gear 13 to rotate on the surface of the racks 2, a control button 6 is fixedly connected to the left bottom end of the stage body 1, access doors 7 are connected to the bottom ends of two sides of the stage body 1, a base 8 is fixedly connected to the inner side of each access door 7, a first connecting rod 9 is hinged to the left top end of each base 8, a second connecting rod 12 is hinged to the right top end of each base 8, the central position of each second connecting rod 12 is connected with the central position of the corresponding first connecting rod 9 through a hinge shaft, and, the bottom of electronic hydraulic push rod 11 articulates in the inside of fixed block 10, and the top of electronic hydraulic push rod 11 articulates on the surface of dead lever 18, and dead lever 18 fixed mounting is in another group's inboard central point department of 12 of second connecting rod, and the model of electronic hydraulic push rod 11 is DYTZ, and the theory of operation of electronic hydraulic push rod 11 is with the motor as the power supply, through two-way gear pump output pressure oil, through the control of oil circuit manifold block, to the hydro-cylinder, realizes the reciprocating motion of piston rod.

The top ends of the first connecting rod 9 and the second connecting rod 12 are hinged with a hydraulic lifting platform 3, two sides of the top end of the hydraulic lifting platform 3 are fixedly connected with a stop block 5, the stop block 5 is of a circular structure, the cross section of the stop block 5 is of an arc structure with a high outer part and a low inner part, the stop block 5 shields a gap between the hydraulic lifting platform 3 and the stage body 1, so as to prevent parts such as the skirt of an actor and a clothes corner from being clamped, two sides of the hydraulic lifting platform 3 are fixedly welded with fixing frames 4, the inner sides of the fixing frames 4 are fixedly provided with fixed discs 14, the fixing frames 4 are provided with two groups, the inside of the fixing frames 4 is sleeved with a rotating shaft 17 through a bearing seat, the rotating shaft 17 and the fixing frames 4 form a rotating structure, the rotating shaft 17 does not influence the stability of the fixed discs 14 and the fixing frames 4, the fixing frames, and one side surface of snap ring 15 is equallyd divide the angle and evenly be provided with the fixture block with 14 inner wall draw-in grooves matched with of fixed disk, snap ring 15 is the oval structure and is convenient for the fixture block of 15 one ends of snap ring to stretch out the draw-in groove of the 14 inner walls of card fixed disk under the effect of centrifugal force, thereby fix snap ring 15, avoid snap ring 15 to continue to rotate, the inside central point department of putting of fixed disk 14 has cup jointed pivot 17 through the bearing frame, and the fixed surface of pivot 17 is connected with carousel 16, the surface of carousel 16 is connected with snap ring 15, one side inner wall of snap ring 15 is provided with the arch, one side of carousel 16 is provided with the recess, and the radius of recess is greater than the bellied radius of 15 inner walls of snap ring, the arch of the inner wall of snap ring.

The working principle is as follows: when the hydraulic lifting platform is used, the first connecting rod 9 and the second connecting rod 12 are in a contraction state under a normal state, the distance between the hydraulic lifting platform 3 and the base 8 is minimum, an actor stands on the surface of the hydraulic lifting platform 3 by opening the access door 7, after the actor stands stably, the operation control button 6 supplies power to the electric hydraulic push rod 11 through an external power supply, the electric hydraulic push rod 11 works, the length of the electric hydraulic push rod 11 is increased to push the first connecting rod 9 and the second connecting rod 12 to expand upwards, the height of the hydraulic lifting platform 3 is increased, when the hydraulic lifting platform 3 moves upwards, the gear 13 is meshed with the rack 2 through the gear 13, the gear 13 slides on the rack 2 to drive the hydraulic lifting platform 3 to stably move upwards, the gear 13 drives the rotating shaft 17 to stably rotate, one end of the rotating shaft 17 is fixedly connected with one end of the rotating disc 16, the rotating disc 16 is stably driven to rotate by the stable rotation of the rotating shaft 17, and, the rotary table 16 drives the snap ring 15 to rotate stably, the clamping block on one side of the snap ring 15 cannot be clamped in the clamping groove on the inner wall of the fixed disc 14, when a component at the bottom end of the hydraulic lifting table 3 falls down due to failure, the gear 13 rotates rapidly to drive the rotating shaft 17 to rotate rapidly, the rotating shaft 17 drives the rotary table 16 to rotate rapidly, the protrusion on the inner wall of the snap ring 15 is embedded into the groove in the rotary table 16, the snap ring 15 rotates through the rotary table 16, the rotary table 16 rotates rapidly to drive the snap ring 15 to rotate rapidly, the snap ring 15 generates a very large centrifugal force to enable one end, provided with the clamping block, of the snap ring 15 to extend out of the clamping groove in the fixed disc 14 and fix the snap ring 15, meanwhile, the groove in the rotary table 16 is clamped by the protrusion in the inner side of the snap ring 15 to enable the rotary table 16 to be fixed, so that the rotating shaft, the hydraulic lifting platform 3 is not lowered integrally through a plurality of groups of clamped gears 13, so that the safety of a user is ensured, and the safety of the hydraulic lifting platform 3 is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a safe type hydraulic pressure lift stage that operates steadily, includes stage body (1) and electronic hydraulic rod (11), its characterized in that: the inner side surface of the stage body (1) is fixedly welded with a rack (2), the left side bottom end of the stage body (1) is fixedly connected with a control button (6), the two side bottoms of the stage body (1) are both connected with an access door (7), the inner side of the access door (7) is fixedly connected with a base (8), the top left side of the base (8) is hinged with a first connecting rod (9), the right side top end of the base (8) is hinged with a second connecting rod (12), the central position of the second connecting rod (12) is connected with the central position of the first connecting rod (9) through a hinged shaft, the top end of the base (8) is fixedly welded with a fixed block (10) close to the position of the first connecting rod (9), the bottom end of an electric hydraulic push rod (11) is hinged inside the fixed block (10), and the top end of the electric hydraulic push rod (11) is hinged on the surface of, and dead lever (18) fixed mounting is in another group's inboard central point department of putting of second connecting rod (12), head rod (9) all articulates with the top of second connecting rod (12) has hydraulic elevating platform (3), and the equal fixedly connected with dog (5) in the top both sides of hydraulic elevating platform (3), the equal fixed welding in both sides of hydraulic elevating platform (3) has mount (4), and the inboard fixed mounting of mount (4) has fixed disk (14), the inside central point department of putting of fixed disk (14) has cup jointed pivot (17) through the bearing frame, and the fixed surface of pivot (17) is connected with carousel (16), the surface connection of carousel (16) has snap ring (15), the back fixed mounting of pivot (17) has gear (13).

2. A safety hydraulic elevating stage according to claim 1, characterized in that: the rack (2) is provided with two groups, the sizes of gaps between the tooth blocks on the surface of the rack (2) and the tooth blocks on the surface of the gear (13) are consistent, and the area of the gear (13) is larger than that of the fixed disc (14).

3. A safety hydraulic elevating stage according to claim 1, characterized in that: the fixing frame (4) is provided with two groups, the rotating shaft (17) is sleeved in the fixing frame (4) through a bearing seat, and the rotating shaft (17) and the fixing frame (4) form a rotating type structure.

4. A safety hydraulic elevating stage according to claim 1, characterized in that: the stop block (5) is of a circular ring structure, and the cross section of the stop block (5) is of an arc structure with a high outer part and a low inner part.

5. A safety hydraulic elevating stage according to claim 1, characterized in that: the inner wall of fixed disk (14) is equant angularly evenly to be provided with the draw-in groove, snap ring (15) are oval structure, and a side surface of snap ring (15) is equant angularly evenly to be provided with fixed disk (14) inner wall draw-in groove matched with fixture block.

6. A safety hydraulic elevating stage according to claim 1, characterized in that: the inner wall of one side of the clamping ring (15) is provided with a protrusion, one side of the turntable (16) is provided with a groove, and the radius of the groove is larger than the radius of the protrusion of the inner wall of the clamping ring (15).