Safety supporting device of elevator

Abstract

The utility model discloses a safety supporting device of a lift, which comprises a lift base and a safety supporting mechanism, the safety supporting mechanism comprises a retractable turntable, a plurality of limiting components, a plurality of push-pull arm rods, a plurality of supporting seats and a plurality of hydraulic supports, and the retractable turntable and the limiting components are rotatably connected to the lower surface of the lift base. The push-pull arm rod and the limiting assembly form sliding connection, the supporting base is fixedly connected to the end of the outer side of the push-pull arm rod, the end, away from the supporting base, of the push-pull arm rod is rotationally connected to the lower surface of the elevator base, and the hydraulic support is fixedly installed on the supporting base. Through rotation of the folding and unfolding rotary disc, pulling force or pushing force can be applied to one end of the push-pull arm rod, the push-pull arm rod is limited through the limiting assembly, the push-pull arm rod can drive the supporting base to move, and therefore the position of the hydraulic support is adjusted, the hydraulic support is folded or unfolded, and the folding and unfolding speed of the hydraulic support is high; therefore, the working efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of elevator support, specifically is a safe support device of elevator. BACKGROUND

[0002] The straight arm elevator is also called as a straight arm aerial work platform, which is a mechanical equipment for high-altitude operation. Figure 1 Through the retrieval, it is found that CN201236132Y discloses a high-altitude operation platform safety device, in particular to a high-altitude operation platform anti-inclination support rotating foot device.

[0003] However, the storage and expansion speed of the multiple foot supports in the prior art is slow, which greatly affects the work efficiency, and thus needs to be improved. TECHNICAL CONTENT

[0004] The utility model discloses a safe support device of elevator to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a safe support device of elevator, including elevator base and safety support mechanism, the safety support mechanism fixed mounting is at the lower surface of elevator base, and the safety support mechanism includes a plurality of limiting components, a plurality of supporting seats and a plurality of hydraulic supports, and the supporting seat fixed connection is at the outer side end of push and pull arm rod, and the one end of push and pull arm rod away from supporting seat is rotatably connected to the lower surface of elevator base, and the hydraulic support is fixedly installed on the supporting seat.

[0006] Preferably, the inner side of the elevator base is fixedly connected with a servo motor, and the rotating end of the servo motor is fixedly connected with the folding and unfolding disc.

[0007] Preferably, the limiting component includes a suspension rod and a limiting block, the suspension rod is fixedly connected to the upper surface of the limiting block, and the suspension rod is rotatably connected to the lower surface of the elevator base, the limiting block is provided with a through hole, and the push and pull arm rod is slidably connected to the inner wall of the through hole.

[0008] Preferably, the hydraulic support comprises a cylinder, a first pump body, a second pump body, a hydraulic sleeve, a movable rod, a universal joint and a foot base, the hydraulic sleeve is fixedly connected to the inner side of the support base, the cylinder is fixedly connected to the upper end of the hydraulic sleeve, the movable rod is slidingly connected to the inside of the hydraulic sleeve, the universal joint is arranged at the lower end of the movable rod, the foot base is fixedly installed at the movable end of the universal joint, the first pump body and the second pump body are fixedly connected to the two sides of the cylinder respectively, the surface of the first pump body is provided with an oil outlet pipe, the surface of the second pump body is provided with an oil suction pipe, and the oil outlet pipe and the oil suction pipe are fixedly connected to the upper end of the hydraulic sleeve.

[0009] Preferably, the lower surface of the foot base is fixedly connected with a plurality of anti-skid protrusions in an annular array.

[0010] Preferably, the oil outlet pipe is provided with a one-way valve.

[0011] Preferably, the upper surface of the cylinder is fixedly connected with a top support block, the surface of the top support block is embedded with a ball, and the ball is slidingly connected with the base of the elevator.

[0012] Beneficial effects

[0013] The utility model provides a safe support device of elevator, has the following beneficial effects:

[0014] 1. The safe support device of elevator, through the rotation of the retractable turntable, can exert a pulling force or a pushing force on one end of the push-pull arm, uses the limiting component to limit the push-pull arm, can make the push-pull arm drive the support base to move, thereby realizing the adjustment of the position of the hydraulic support, the storage or expansion of the hydraulic support, the storage and expansion speed of the hydraulic support is fast, thereby effectively improve work efficiency.

[0015] 2. The safe support device of elevator, through the work of the first pump body, the oil in the cylinder can be transported from the oil outlet pipe to the hydraulic sleeve, so that the movable rod pushes the universal joint and the foot base to move downward, the foot base contacts the ground, and the entire elevator base can be supported, through the work of the second pump body, the oil in the hydraulic sleeve can be transported from the oil suction pipe to the cylinder, so that the movable rod drives the universal joint and the foot base to move upward, the moving distance of the foot base is large, thereby effectively avoiding the scratching of the foot base with the ground, and the height of the plurality of foot bases can be adjusted independently, thereby adapting to uneven and complex terrain. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a schematic view of a straight arm elevator;

[0017] Figure 2 It is a schematic view of the overall three-dimensional structure of the safe support device of the utility model;

[0018] Figure 3The utility model provides a kind of safety support mechanism three-dimensional structure schematic diagram of the safety support device of elevator.

[0019] Figure 4 The utility model provides a kind of hydraulic support sectional view structure schematic diagram of the safety support device of elevator.

[0020] Figure 5 The utility model provides a kind of safety support device of elevator Figure 1 Middle A amplification structure schematic diagram.

[0021] Figure: 1, elevator base;2, safety support mechanism;3, retractable turntable;4, limit component;5, push-pull arm rod;6, support seat;7, hydraulic support;8, servo motor;9, suspension rod;10, limit block;11, oil cylinder;12, first pump body;13, second pump body;14, hydraulic sleeve;15, movable rod;16, universal joint;17, foot base;18, oil outlet pipe;19, oil suction pipe;20, anti-skid protrusion;21, check valve;22, top support block;23, ball bearing. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] Please refer to Figures 2-5 The utility model provides a kind of technical scheme: a kind of safety support device of elevator, including elevator base 1 and safety support mechanism 2, safety support mechanism 2 is fixedly installed in elevator base 1 lower surface, safety support mechanism 2 includes retractable turntable 3, multiple limit components 4, multiple push-pull arm rods 5, multiple support seats 6 and multiple hydraulic supports 7, retractable turntable 3 and limit component 4 are all rotationally connected in elevator base 1 lower surface, push-pull arm rod 5 is slidably connected with limit component 4, support seat 6 is fixedly connected in the outer side end of push-pull arm rod 5, and the end of push-pull arm rod 5 away from support seat 6 is rotationally connected in the lower surface of elevator base 1, hydraulic support 7 is fixedly installed on support seat 6, by retractable turntable 3 rotation, can exert tension or thrust to the end of push-pull arm rod 5, limit component 4 is used to limit push-pull arm rod 5, can make push-pull arm rod 5 drive support seat 6 to move, to realize the position of adjusting hydraulic support 7, hydraulic support 7 is stored or unfolded, the storage and unfolding speed of hydraulic support 7 is fast, to effectively improve work efficiency.

[0024] The inner side of the elevator base 1 is fixedly connected with a servo motor 8, and the rotating end of the servo motor 8 is fixedly connected with the receiving and releasing turntable 3, and the servo motor 8 can drive the receiving and releasing turntable 3 to rotate.

[0025] The limiting assembly 4 comprises a suspension rod 9 and a limiting block 10, the suspension rod 9 is fixedly connected to the upper surface of the limiting block 10, and the suspension rod 9 is rotatably connected to the lower surface of the elevator base 1, the surface of the limiting block 10 is provided with a through hole, and the push-pull arm 5 is slidably connected to the inner wall of the through hole.

[0026] The hydraulic support 7 comprises an oil cylinder 11, a first pump body 12, a second pump body 13, a hydraulic sleeve 14, a movable rod 15, a universal joint 16 and a foot base 17, the hydraulic sleeve 14 is fixedly connected to the inner side of the support base 6, the oil cylinder 11 is fixedly connected to the upper end of the hydraulic sleeve 14, the movable rod 15 is slidably connected to the inside of the hydraulic sleeve 14, the universal joint 16 is arranged at the lower end of the movable rod 15, the foot base 17 is fixedly installed at the movable end of the universal joint 16, the first pump body 12 and the second pump body 13 are fixedly communicated at the two sides of the oil cylinder 11 respectively, the surface of the first pump body 12 is provided with an oil outlet pipe 18, the surface of the second pump body 13 is provided with an oil suction pipe 19, and the oil outlet pipe 18 and the oil suction pipe 19 are fixedly communicated with the upper end of the hydraulic sleeve 14, by the working of the first pump body 12, the oil in the oil cylinder 11 can be transported from the oil outlet pipe 18 to the hydraulic sleeve 14, so that the movable rod 15 pushes the universal joint 16 and the foot base 17 to move downward, by the contact of the foot base 17 with the ground, the entire elevator base 1 can be supported, by the working of the second pump body 13, the oil in the hydraulic sleeve 14 can be transported from the oil suction pipe 19 to the oil cylinder 11, so that the movable rod 15 drives the universal joint 16 and the foot base 17 to move upward, the moving distance of the foot base 17 is large, so that the scraping of the foot base 17 with the ground is effectively avoided, and the height of the plurality of foot bases 17 can be adjusted individually, so that the uneven and complex terrain can be adapted.

[0027] The lower surface of the foot base 17 is fixedly connected with a plurality of anti-skid protrusions 20 in a ring array, by arranging the anti-skid protrusions 20, the friction between the foot base 17 and the ground is effectively increased, and the safety of the entire support structure is further improved.

[0028] The oil outlet pipe 18 is provided with a one-way valve 21, by arranging the one-way valve 21, the backflow of the oil into the hydraulic sleeve 14 from the oil outlet pipe 18 can be avoided, so that the unstable installation of the foot base 17 is avoided.

[0029] The upper surface of the oil cylinder 11 is fixedly connected with a top supporting block 22, the surface of the top supporting block 22 is embedded with a ball 23, and the ball 23 is slidingly connected with the elevator base 1, through the arrangement of the top supporting block 22 and the ball 23, the ball 23 is rolled, the movement of the top supporting block 22 is facilitated, when the movable rod 15 is elongated and the foot base 17 is in contact with the ground, the top supporting block 22 and the ball 23 are used for supporting, the stress of the hydraulic support 7 is more balanced, and therefore the service life of the hydraulic support 7 is prolonged.

[0030] Working principle: when the safety supporting device of the elevator is in use, if the hydraulic support 7 needs to be unfolded, the servo motor 8 can be started, the winding and unwinding disc 3 is driven to rotate by the servo motor 8, a pushing force is applied to one end of the push-pull arm rod 5, the push-pull arm rod 5 is limited by the limiting assembly 4, the push-pull arm rod 5 drives the supporting seat 6 to move, so that the position of the hydraulic support 7 is adjusted, and the hydraulic support 7 is unfolded; if the hydraulic support 7 needs to be stored, the servo motor 8 can be controlled to rotate in the reverse direction, the winding and unwinding disc 3 is driven to rotate by the servo motor 8, a pulling force is applied to one end of the push-pull arm rod 5, the push-pull arm rod 5 is limited by the limiting assembly 4, the push-pull arm rod 5 drives the supporting seat 6 to move, so that the position of the hydraulic support 7 is adjusted, and the hydraulic support 7 is stored, the storage and unfolding speed of the hydraulic support 7 is fast, and therefore the working efficiency is effectively improved.

[0031] The utility model discloses the embodiment of drawings, only relate to the structure of the embodiment of the disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0032] Finally: the above only for preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A safety support device of an elevator, comprising an elevator base (1) and a safety support mechanism (2), characterized in that: The safety support mechanism (2) is fixedly installed on the lower surface of the elevator base (1), the safety support mechanism (2) comprises a retractable turntable (3), a plurality of limiting assemblies (4), a plurality of push-pull arm rods (5), a plurality of support bases (6) and a plurality of hydraulic supports (7), the retractable turntable (3) and the limiting assembly (4) are both rotationally connected to the lower surface of the elevator base (1), the push-pull arm rod (5) is in sliding connection with the limiting assembly (4), the support base (6) is fixedly connected to the outer end of the push-pull arm rod (5), and the end of the push-pull arm rod (5) away from the support base (6) is rotationally connected to the lower surface of the elevator base (1), and the hydraulic support (7) is fixedly installed on the support base (6).

2. A safety support device for an elevator according to claim 1, characterized in that: The inner side of the elevator base (1) is fixedly connected with a servo motor (8), and the rotating end of the servo motor (8) is fixedly connected with the retractable turntable (3).

3. A safety support device for an elevator according to claim 1, characterized in that: The limiting assembly (4) comprises a suspension rod (9) and a limiting block (10), the suspension rod (9) is fixedly connected to the upper surface of the limiting block (10), and the suspension rod (9) is rotationally connected to the lower surface of the elevator base (1), the limiting block (10) is provided with a through hole on the surface, and the push-pull arm rod (5) is in sliding connection with the inner wall of the through hole.

4. A safety support device for an elevator according to claim 1, characterized in that: The hydraulic support (7) comprises an oil cylinder (11), a first pump body (12), a second pump body (13), a hydraulic sleeve (14), a movable rod (15), a universal joint (16) and a foot base (17), the hydraulic sleeve (14) is fixedly connected to the inner side of the support base (6), the oil cylinder (11) is fixedly connected to the upper end of the hydraulic sleeve (14), the movable rod (15) is in sliding connection with the inside of the hydraulic sleeve (14), the universal joint (16) is arranged at the lower end of the movable rod (15), the foot base (17) is fixedly installed at the movable end of the universal joint (16), the first pump body (12) and the second pump body (13) are fixedly communicated at the two sides of the oil cylinder (11) respectively, the surface of the first pump body (12) is provided with an oil outlet pipe (18), the surface of the second pump body (13) is provided with an oil suction pipe (19), and the oil outlet pipe (18) and the oil suction pipe (19) are fixedly communicated with the upper end of the hydraulic sleeve (14).

5. A safety support device for an elevator according to claim 4, characterized in that: The lower surface of the foot base (17) is fixedly connected with a plurality of anti-skid protrusions (20) in an annular array.

6. A safety support device for an elevator according to claim 4, characterized in that: The oil outlet pipe (18) is provided with a one-way valve (21).

7. A safety support device for an elevator according to claim 4, characterized in that: The upper surface of the oil cylinder (11) is fixedly connected with a top support block (22), the surface of the top support block (22) is embedded with a ball (23), and the ball (23) is in sliding connection with the elevator base (1).

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