Movable shear fork type hydraulic elevator

Abstract

The utility model discloses a movable shear fork type hydraulic elevator which comprises a base, a lower base frame is arranged at the top end of the base, an upper base frame is arranged above the lower base frame, a top seat is arranged at the top end of the upper base frame, limiting rails are arranged on the two sides of the top end of the top seat, rail seats are connected to the tops of the limiting rails in a sliding mode, and an operation platform is arranged at the top ends of the rail seats. A positioning seat is arranged at the top end of the top seat on one side of the operation platform, a telescopic air cylinder is installed on the inner wall of the positioning seat, one end of the telescopic air cylinder penetrates through the positioning seat and is connected with the outer wall of the operation platform, second limiting grooves are formed in the outer walls of the two sides of the lower base frame, and first limiting grooves are formed in the outer walls of the two sides of the upper base frame; and two shear fork arms are arranged between the lower base frame and the upper base frame. According to the utility model, the high-altitude operation range of personnel during the use of the elevator is expanded, the purpose of hydraulically adjusting the overall height of the elevator is achieved, and the stability of the elevator during use is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to high altitude operation equipment technical field, concretely is a mobile scissor hydraulic lift. BACKGROUND

[0002] Traditional high altitude operation equipment has the problems of complex operation, poor flexibility, insufficient safety and the like, and it is difficult to meet the demand of modern high altitude operation for high efficiency, safety and flexibility, the mobile scissor hydraulic lift realizes lifting through the scissor structure, has the characteristics of simple structure, convenient operation, stable lifting, strong carrying capacity and the like, and becomes the ideal choice of modern high altitude operation.

[0003] With reference to the announcement No. CN210393626U, a mobile scissor hydraulic lift, which comprises a lift base, a mobile roller, a scissor arm lower positioning shaft, a scissor arm upper positioning shaft, a scissor arm, an anti-skid foot pad, an upper support plate, a lead screw, a driving motor and a lead screw fixing seat, the bottom of the scissor arm is provided with a scissor arm lower positioning shaft on each side, the top of the scissor arm is provided with a scissor arm upper positioning shaft on each side, the middle position of the scissor arm lower positioning shaft is provided with a lead screw nut matched with the lead screw, the top surface of the lift base is provided with a side plate on each end edge position, the two sides of the side plate are each provided with a lower positioning shaft installation sliding groove, and the top surface of the lift base is welded with two lead screw fixing seats in the middle position, the lift is driven to operate by the two driving motors, so that the time required for the upper support plate to reach the highest position from the lowest position is halved, the lifting efficiency of the lift is improved, and according to the above, the lift can be well applied, but it is usually inconvenient to expand the platform on which the operator stands, so that the high-altitude operation range of the lift has certain limitations and needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a mobile scissor hydraulic lift to solve the problem that the lift can be well applied, but it is usually inconvenient to expand the platform on which the operator stands, so that the high-altitude operation range of the lift has certain limitations.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a mobile scissor hydraulic elevator, including the base, the top of base is equipped with lower base frame, the upper side of lower base frame is equipped with upper base frame, the top of upper base frame is equipped with top seat, both sides of top seat top are equipped with limit rail, the top of limit rail is all connected with rail seat slidingly, the top of rail seat is equipped with operation platform, the top of one side of operation platform is equipped with locating seat, the inner wall of locating seat is installed with telescopic cylinder, one end of telescopic cylinder penetrates locating seat and is connected with the outer wall of operation platform, the outer wall of both sides of lower base frame is equipped with second limit slot, the outer wall of both sides of upper base frame is equipped with first limit slot, be equipped with two scissor arms between lower base frame and upper base frame, the inner wall between scissor arm is rotatably installed with third linkage shaft, the inner wall of one end of scissor arm above third linkage shaft is rotatably installed with first linkage shaft, both ends of first linkage shaft all penetrate scissor arm and are rotatably connected with the inner wall of upper base frame, the inner wall of the other end of scissor arm above third linkage shaft is rotatably installed with fourth linkage shaft, both ends of fourth linkage shaft all penetrate scissor arm and are slidably connected with first limit slot.

[0006] Preferably, the corner position of the bottom end of the base is provided with a roller, and the bottom end of the base on one side of the roller is provided with a connecting frame.

[0007] Preferably, the inner wall of one end of the scissor arm below the third linkage shaft is rotatably installed with a second linkage shaft, both ends of the second linkage shaft penetrate the scissor arm and are rotatably connected with the inner wall of the lower base frame, the inner wall of the other end of the scissor arm below the third linkage shaft is rotatably installed with a fifth linkage shaft, both ends of the fifth linkage shaft penetrate the scissor arm and are slidably connected with the second limit slot, and the fifth linkage shaft is provided to limit the lower end of the scissor arm in cooperation with the second limit slot.

[0008] Preferably, the fifth linkage shaft is rotatably installed with an electric push rod on both sides of the top end, and the inner wall of the scissor arm is rotatably connected with the electric push rod away from the fifth linkage shaft, and the electric push rod is provided to drive the scissor arm to rotate.

[0009] Preferably, the connecting frame is provided with a nut seat away from the base, a threaded rod is screwedly installed in the nut seat, and both ends of the threaded rod extend to the outside of the nut seat, and the nut seat is provided to accommodate the threaded rod.

[0010] Preferably, the bottom end of the threaded rod is rotatably installed with an anti-skid foot seat, and the top end of the threaded rod is installed with a handle, and the anti-skid foot seat is lowered and contacts the ground to prevent the elevator from slipping.

[0011] Compared with the prior art, the mobile scissor type hydraulic elevator not only improves the high-altitude operation range of the personnel when the elevator is used, but also achieves the purpose of hydraulically adjusting the overall height of the elevator, and guarantees the stability of the elevator when the elevator is used.

[0012] (1) The telescopic air cylinder drives the operation platform to translate, so that the operation platform drives several rail seats to slide left on the top of the limiting rail, so that the operation platform moves left stably, and the left end of the operation platform translates to the left side of the top seat, so that the position where the operator stands can be expanded for work, thereby improving the high-altitude operation range of the personnel when the elevator is used;

[0013] (2) The two electric push rods drive one end of the scissor arm to be self-adapting telescopic, so that one side of the two ends of the scissor arm drives the first linkage shaft and the second linkage shaft to rotate in the inner walls of the upper base frame and the lower base frame respectively, and the other side of the two ends of the scissor arm drives the fourth linkage shaft and the fifth linkage shaft to slide in the inner sides of the first limiting groove and the second limiting groove respectively, so that the distance between the upper base frame and the lower base frame can be adjusted, thereby achieving the purpose of hydraulically adjusting the overall height of the elevator;

[0014] (3) The rotating handle is rotated, so that the threaded rod rotates in the inner part of the nut seat and slides downward, so that the threaded rod drives the anti-skid foot seat to move downward and contact the ground, so that the anti-skid work of the elevator can be performed, and the displacement phenomenon of the elevator during use can be effectively reduced, thereby guaranteeing the stability of the elevator when the elevator is used. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a front view structure schematic view of the utility model;

[0017] Figure 3 It is a scissor arm plan view structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 1 enlarged structure schematic view of the utility model.

[0019] In the drawing: 1, base; 2, top seat; 3, lower base frame; 4, limiting rail; 5, rail seat; 6, operation platform; 7, positioning seat; 8, telescopic air cylinder; 9, roller; 10, upper base frame; 11, scissor arm; 12, electric push rod; 13, first linkage shaft; 14, second linkage shaft; 15, third linkage shaft; 16, fourth linkage shaft; 17, fifth linkage shaft; 18, first limiting groove; 19, second limiting groove; 20, connecting frame; 21, nut seat; 22, threaded rod; 23, anti-skid foot seat; 24, rotating handle. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0021] Please see Figures 1-4 An embodiment of this utility model is provided: a mobile scissor lift, including a base 1, with rollers 9 installed at the corners of the bottom of the base 1, and a connecting frame 20 provided at the bottom of the base 1 on one side of the rollers 9.

[0022] When in use, the rollers 9 are installed to facilitate the conveying and transfer of materials by the elevator;

[0023] The end of the connecting bracket 20 away from the base 1 is provided with a nut seat 21, and a threaded rod 22 is installed in the internal thread of the nut seat 21. Both ends of the threaded rod 22 extend to the outside of the nut seat 21.

[0024] In use, the nut seat 21 is provided to accommodate the threaded rod 22;

[0025] The bottom end of the threaded rod 22 is rotatably mounted with an anti-slip foot 23, and the top end of the threaded rod 22 is mounted with a handle 24;

[0026] When in use, the anti-slip foot 23 is lowered and contacts the ground to prevent the elevator from slipping.

[0027] A lower base frame 3 is located at the top of the base 1, and an upper base frame 10 is located above the lower base frame 3. A top seat 2 is located at the top of the upper base frame 10. Limiting rails 4 are located on both sides of the top of the top seat 2. Rail seats 5 are slidably connected to the top of each limiting rail 4. An operating platform 6 is located at the top of the rail seat 5. A positioning seat 7 is located at the top of the top seat 2 on one side of the operating platform 6. A telescopic cylinder 8 is installed on the inner wall of the positioning seat 7. One end of the telescopic cylinder 8 passes through the positioning seat 7 and connects to the outer wall of the operating platform 6. A second limiting groove 19 is located on the outer walls of both sides of the lower base frame 3. A second limiting groove 19 is located on the outer walls of both sides of the upper base frame 10. A first limiting groove 18 is provided. Two scissor arms 11 are provided between the lower base frame 3 and the upper base frame 10. A third linkage shaft 15 is rotatably installed on the inner wall between the scissor arms 11. A second linkage shaft 14 is rotatably installed on the inner wall of one end of the scissor arm 11 below the third linkage shaft 15. Both ends of the second linkage shaft 14 pass through the scissor arm 11 and are rotatably connected to the inner wall of the lower base frame 3. A fifth linkage shaft 17 is rotatably installed on the inner wall of the other end of the scissor arm 11 below the third linkage shaft 15. Both ends of the fifth linkage shaft 17 pass through the scissor arm 11 and are slidably connected to the second limiting groove 19.

[0028] In use, the lower end of the scissor arm 11 is limited by the second limiting groove 19 through the setting of the fifth linkage shaft 17;

[0029] The two sides of the top end of the fifth linkage shaft 17 are movably installed with electric push rods 12, and the ends away from the fifth linkage shaft 17 are rotatably connected with the inner walls of the scissor arm 11;

[0030] In use, the scissor arm 11 is driven to rotate through the setting of the electric push rod 12;

[0031] The first linkage shaft 13 is rotatably installed on the inner wall of one end of the scissor arm 11 above the third linkage shaft 15, and the two ends of the first linkage shaft 13 penetrate the scissor arm 11 and are rotatably connected with the inner wall of the upper base frame 10. The fourth linkage shaft 16 is rotatably installed on the inner wall of the other end of the scissor arm 11 above the third linkage shaft 15, and the two ends of the fourth linkage shaft 16 penetrate the scissor arm 11 and are slidably connected with the first limiting groove 18.

[0032] In use, the elevator is first pushed to convey and transfer through the setting of the plurality of rollers 9, and then the threaded rod 22 is rotated and slid downward in the interior of the nut seat 21 by rotating the rotating handle 24, so that the anti-skid foot seat 23 is lowered to contact the ground, thereby preventing the elevator from slipping during use. The phenomenon of displacement is reduced. Then one end of the scissor arm 11 is driven to self-adaptively extend and contract by the two electric push rods 12, so that one side of the two ends of the scissor arm 11 drives the first linkage shaft 13 and the second linkage shaft 14 to rotate in the inner walls of the upper base frame 10 and the lower base frame 3, respectively, and the other side of the two ends of the scissor arm 11 drives the fourth linkage shaft 16 and the fifth linkage shaft 17 to slide in the interiors of the first limiting groove 18 and the second limiting groove 19, respectively. The distance between the upper base frame 10 and the lower base frame 3 can be adjusted to adjust the overall height of the elevator. Finally, the operation platform 6 is driven to translate by the telescopic cylinder 8, so that the plurality of rail seats 5 are slid to the left on the top of the limiting rail 4, so that the operation platform 6 moves stably to the left, and the left end of the operation platform 6 is translated to the left side of the top seat 2, so as to improve the high-altitude operation range of the elevator, thereby completing the use of the elevator.

Claims

1. A mobile scissor hydraulic lift characterized by: The utility model provides a base (1) is provided with the lower base frame (3) at the top end, and the upper base frame (10) is provided with the top seat (2) at the top end, and the both sides of the top seat (2) top are provided with the limiting rail (4), and the top of limiting rail (4) is slidably connected with the rail seat (5), and the top end of rail seat (5) is provided with the operation platform (6), and the top end of the both sides of operation platform (6) top seat (2) is provided with the positioning seat (7), and the inner wall of positioning seat (7) is installed with the telescopic cylinder (8), and one end of telescopic cylinder (8) penetrates positioning seat (7) and is connected with the outer wall of operation platform (6), and the outer wall of the both sides of lower base frame (3) is provided with the second limiting slot (19), and the outer wall of the both sides of upper base frame (10) is provided with the first limiting slot (18), and the lower base frame (3) and upper base frame (10) are provided with two scissor arms (11), and the inner wall between scissor arms (11) is rotatably installed with the third linkage shaft (15), and one end inner wall of the upper scissor arm (11) of third linkage shaft (15) is rotatably installed with the first linkage shaft (13), and the both ends of first linkage shaft (13) penetrate scissor arm (11) and are rotatably connected with the inner wall of upper base frame (10), and the other end inner wall of the upper scissor arm (11) of third linkage shaft (15) is rotatably installed with the fourth linkage shaft (16), and the both ends of fourth linkage shaft (16) penetrate scissor arm (11) and are slidably connected with the first limiting slot (18).

2. A mobile scissor lift as claimed in claim 1, wherein: The corner position of the bottom end of the base (1) is provided with a roller (9), and the bottom end of the base (1) on one side of the roller (9) is provided with a connecting frame (20).

3. A mobile scissor lift as claimed in claim 1, wherein: The inner wall of one end of the lower scissor arm (11) below the third linkage shaft (15) is rotatably installed with the second linkage shaft (14), and the both ends of the second linkage shaft (14) penetrate the scissor arm (11) and are rotatably connected with the inner wall of the lower base frame (3), and the other end inner wall of the lower scissor arm (11) below the third linkage shaft (15) is rotatably installed with the fifth linkage shaft (17), and the both ends of the fifth linkage shaft (17) penetrate the scissor arm (11) and are slidably connected with the second limiting slot (19).

4. A mobile scissor lift as claimed in claim 3, wherein: The both sides of the top end of the fifth linkage shaft (17) are movably installed with an electric push rod (12), and one end of the electric push rod (12) away from the fifth linkage shaft (17) is rotatably connected with the inner wall of the scissor arm (11).

5. A mobile scissor lift as claimed in claim 2, wherein: One end of the connecting frame (20) away from the base (1) is provided with a nut seat (21), and a threaded rod (22) is screwedly installed in the nut seat (21).

6. A mobile scissor lift as claimed in claim 5, wherein: The bottom end of the threaded rod (22) is rotatably installed with an antiskid foot seat (23), and the top end of the threaded rod (22) is installed with a handle (24).

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