CN213865262U

CN213865262U - Fixed hydraulic lifting platform

Info

Publication number: CN213865262U
Application number: CN202022980791.2U
Authority: CN
Inventors: 祝明忠
Original assignee: Suzhou Marro Lifting Machinery Co ltd
Current assignee: Suzhou Marro Lifting Machinery Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-03
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a fixed hydraulic lifting platform, which relates to the field of lifters, comprising a workbench, wherein the outer side of the workbench is detachably connected with a guardrail device, the lower part of the workbench is provided with a pressure-proof device at the edge of the workbench, the lower part of the workbench is provided with a lifting device at the central position of the workbench, the lifting device is provided with a maintenance safety device, the two sides of the lower end of the lifting device are provided with minimum fine adjustment supporting devices, and the lifting device also comprises a control mechanism, the pressure-proof device in the utility model is used for giving a sensing switch signal when a person touches a pressure-proof frame with hands, feet and the like or objects in the descending process of the lifter, the lifting platform is stopped to descend in a linkage manner, the safety of the personnel and the objects is ensured, the maintenance safety device is carried by the body, is convenient for maintenance, can not generate deviation during supporting, and has high safety factor, the butt joint device can be accurately butted with other equipment, and the butt joint inlet and the butt joint outlet are more smooth and convenient for loading and unloading goods.

Description

Fixed hydraulic lifting platform

Technical Field

The utility model relates to a lift field, in particular to fixed hydraulic lifting platform.

Background

1. Conventional elevators are basically mounted at the exit location: the double door or the reserved opening is not installed, but has the following defects: 1) conventional double door materials are relatively numerous; 2) the radius of the opening rotating plane of the double door occupies a larger space;

2. the conventional lifter is not provided with a head and foot pressing prevention device or a protective cover, so that potential safety hazards exist in the descending process of the lifter;

3. the maintenance support of a conventional elevator is an external support tube. 1) When maintenance lifting is needed, a manufacturer carries two maintenance supporting pipes to a field supporting working platform for maintenance; 2) the possibility of inconsistent lengths and lengths of the support tubes carried by the manufacturer during maintenance and uncertainty as to the position of the support. The safety coefficient of the device has certain risk;

4. the lowest support of a conventional elevator is the welding of a limit support triangle during fabrication. 1) The conventional lifter is powered on to open the oil discharge valve and descends by the self weight of equipment, and the lowest position of a welding triangle is mechanically hard limited and can not descend any more and is a fixed and unadjustable support; 2) the welding triangle highlights the contour line, although the welding is hidden in the memory of the scissor fork, the welding can be seen after the welding is raised, the feeling is not harmonious, and the appearance is not beautiful.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a have the guardrail device and save area, have and prevent that the pressure equipment is safer, have maintenance safety device, the practicality is strong, factor of safety is high, has minimum fine setting strutting arrangement fixed hydraulic elevating platform that can descend again.

The utility model provides a technical scheme that its technical problem adopted is: a fixed hydraulic lifting platform comprises a workbench, wherein a guardrail device is detachably connected to the outer side of the workbench, a pressure-proof device is arranged at the corner of the workbench below the workbench, a lifting device is arranged at the central position of the workbench below the workbench, a maintenance safety device is arranged on the lifting device, minimum fine adjustment supporting devices are arranged on two sides of the lower end of the lifting device, a control mechanism for controlling the fixed hydraulic lifting platform is further included, the pressure-proof device and the lifting device are respectively electrically connected with the control mechanism, the guardrail device is used for protecting personal safety, the pressure-proof device is used for transmitting an induction switch signal when a person touches a pressure-proof frame with a hand, a foot and the like or objects in the descending process of the lifting machine, the lifting platform is stopped to descend in a linkage manner, the safety of the person and the objects is ensured, and the lifting device is used for driving the workbench to move up and down, maintenance safety device carries for the body, and the maintenance of being convenient for can not produce the skew during support, and factor of safety is high, minimum fine setting strutting arrangement can finely tune about 20mm from top to bottom for can be more accurate dock with other equipment, make the butt joint import and export more level and smooth convenient goods handling, control mechanism is used for controlling fixed hydraulic elevating platform.

Further, the method comprises the following steps: the guardrail device comprises a first stop lever supporting guardrail and a second stop lever supporting guardrail, wherein an inlet and outlet overturning stop lever is arranged between the first stop lever supporting guardrail and the second stop lever supporting guardrail, and the inlet and outlet overturning stop lever is connected with one end of the first stop lever supporting guardrail or one end of the second stop lever supporting guardrail in a rotating mode, so that the inlet and outlet overturning stop lever can rotate left and right, a protection effect can be achieved, the occupied area is reduced on the other hand, and the guardrail device is simple to manufacture.

Further, the method comprises the following steps: the upper end of one side of the guardrail is supported by the first stop lever or the second stop lever, a first through hole is formed in the upper end of one side of the guardrail is supported by the second stop lever, a connecting shaft is arranged in the first through hole, the through hole is rotatably connected with the connecting shaft, and one end of the inlet and outlet overturning stop lever is fixedly connected with the connecting shaft.

Further, the method comprises the following steps: the first stop lever supports the guardrail and the second stop lever supports the guardrail and is provided with a stop lever support folded plate below the connecting shaft, and the stop lever support folded plate is used for supporting the inlet and outlet overturning stop lever to enable the inlet and outlet overturning stop lever to be in a horizontal state, so that a protection effect is achieved.

Further, the method comprises the following steps: prevent pressing the device including preventing pressing the aluminum alloy frame, prevent pressing the aluminum alloy frame and pass through the screw hoist and mount in the below of workstation, still including setting up the touch inductive switch on preventing pressing the aluminum alloy frame, touch inductive switch and control mechanism electrical connection, touch inductive switch is used for detecting whether have people or thing to touch and prevent pressing the aluminum alloy frame, and signaling gives control mechanism when people or thing contact to preventing pressing the aluminum alloy frame, control mechanism control lift stop descends, protects the safety of personnel and article.

Further, the method comprises the following steps: the lifting device comprises two lifting arms which are arranged in a crossed mode and a cylinder which drives the two lifting arms to rotate relatively to enable the workbench to ascend or descend, the two lifting arms are connected in a rotating mode through a connecting piece and further comprise a highest limit proximity switch sensor, the highest limit proximity switch sensor is electrically connected with the control mechanism, and the highest limit proximity switch sensor is used for detecting whether the lifting device reaches the highest position or not.

Further, the method comprises the following steps: maintain safety device is including setting up the maintenance pole on one of them lifing arm, the one end and the lifing arm rotation of maintenance pole are connected, be provided with the maintenance pole location that is used for the fixed maintenance pole other end on the lifing arm and prop up the fender, be provided with the rotational positioning that is used for fixed maintenance pole on another lifing arm and prop up the fender, the maintenance pole carries along with the lift body, easy maintenance, maintenance pole location support keeps off and is used for fixed maintenance pole when not using the maintenance pole, the rotational positioning props up the fender and is used for fixed maintenance pole to two fixed lifing arms prevent two lifing arm relative movement, and factor of safety is high.

Further, the method comprises the following steps: minimum fine setting strutting arrangement includes self-control fine setting screw, the surface of self-control fine setting screw one end is provided with the external screw thread, the surface of self-control fine setting screw is provided with lock nut, lock nut's internal surface be provided with external screw thread complex internal thread, be provided with the countersunk head on the other end of self-control fine setting screw, be provided with the countersunk hole on the upper end of countersunk head, be provided with the support nylon pad in the countersunk hole, the surface that the one end of countersunk head was kept away from to self-control fine setting screw is provided with fixed stay tube, the height of self-control fine setting screw and lock nut cooperation fine setting lift for the bottom of lift can be more accurate butt joint with other equipment, makes the butt joint import and export more level and more convenient goods handling.

The utility model has the advantages that: the utility model provides a guardrail device is used for protecting personal safety, prevent pressing the device and be used for giving inductive switch signal one by one when elevator descending process someone hand and foot etc. or article touch prevent pressing the frame, chain stop lift platform continues to descend, ensures the safety of personnel and article, elevating gear is used for driving the workstation and reciprocates, maintenance safety device carries for the body, and the maintenance of being convenient for can not produce the skew during support, and factor of safety is high, minimum fine setting strutting arrangement can finely tune about 20mm for can be more accurate with other equipment docks, make the butt joint import and export more level and smooth convenient goods handling.

Drawings

FIG. 1 is a schematic structural diagram of a fixed hydraulic lifting platform;

FIG. 2 is a top view of the barrier device;

FIG. 3 is a schematic view of the guardrail apparatus;

FIG. 4 is a schematic view of a portion of the guardrail apparatus;

FIG. 5 is a schematic structural view of the pressure prevention device;

FIG. 6 is a schematic view of the lifting device and the service safety device;

FIG. 7 is a schematic view of the structure of the minimum fine-tuning support device;

labeled as: 1. a work table; 2. a guardrail device; 3. a pressure prevention device; 4. a lifting device; 5. maintaining the safety device; 6. A minimum fine-tuning support device; 21. the first stop lever supports the guardrail; 22. the second stop lever supports the guardrail; 23. an inlet and outlet overturning stop lever; 24. the stop lever supports the folded plate; 31. a compression-resistant aluminum alloy frame; 32. a screw; 41. a lifting arm; 42. a cylinder; 51. a service pole; 52. a maintenance rod positioning support block; 53. rotating and positioning the supporting block; 61. self-making a fine adjustment screw; 62. locking the nut; 63. Supporting a nylon cushion; 64. the supporting tube is fixed.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

The fixed hydraulic lifting platform shown in fig. 1 comprises a working platform 1, a guardrail device 2 is detachably connected to the outer side of the working platform 1, an anti-pressure device 3 is arranged below the working platform 1 at the corner of the working platform 1, a lifting device 4 is arranged below the working platform 1 at the central position of the working platform 1, a maintenance safety device 5 is arranged on the lifting device 4, a minimum fine-adjustment supporting device 6 is arranged on two sides of the lower end of the lifting device 4, the fixed hydraulic lifting platform further comprises a control mechanism for controlling the fixed hydraulic lifting platform, the anti-pressure device 3 and the lifting device 4 are respectively electrically connected with the control mechanism, the guardrail device 2 is used for protecting personal safety, the anti-pressure device 3 is used for giving an induction switch signal when a person touches a pressure-prevention frame with hands, feet and the like or objects in the descending process of the lifting platform, and the lifting platform stops descending in a chain manner, ensure the safety of personnel and article, elevating gear 4 is used for driving workstation 1 and reciprocates, maintenance safety device 5 carries for the body, and the maintenance of being convenient for can not produce the skew during support, and factor of safety is high, minimum fine setting strutting arrangement 6 can finely tune about 20mm from top to bottom for can be more accurate with other equipment butt joints, make the butt joint import and export more level and smooth convenient goods handling, control mechanism is used for controlling fixed hydraulic elevating platform.

On the basis, as shown in fig. 2, 3 and 4, the guardrail device 2 comprises a first stop lever supporting guardrail 21 and a second stop lever supporting guardrail 22, an inlet and outlet overturning stop lever 23 is arranged between the first stop lever supporting guardrail 21 and the second stop lever supporting guardrail 22, and the inlet and outlet overturning stop lever 23 is rotatably connected with one end of the first stop lever supporting guardrail 21 or the one end of the second stop lever supporting guardrail 22, so that the inlet and outlet overturning stop lever 23 can rotate left and right, thereby playing a protection role, reducing the floor area on the other hand and being simple to manufacture.

On the basis, the upper end of the first stop lever supporting guardrail 21 or the upper end of the second stop lever supporting guardrail 22 are provided with first through holes, connecting shafts are arranged in the first through holes, the through holes are rotatably connected with the connecting shafts, and one ends of the inlet and outlet overturning stop levers 23 are fixedly connected with the connecting shafts.

On the basis, a stop lever supporting folded plate 24 is arranged below the connecting shaft on the first stop lever supporting guardrail 21 or the second stop lever supporting guardrail 22, and the stop lever supporting folded plate 24 is used for supporting the inlet and outlet overturning stop lever to enable the inlet and outlet overturning stop lever to be in a horizontal state, so that a protection effect is achieved.

On the basis, as shown in fig. 5, prevent pressing device 3 including preventing pressing aluminum alloy frame 31, prevent pressing aluminum alloy frame 31 and hoist and mount in the below of workstation 1 through screw 32, still including setting up the touch inductive switch on preventing pressing aluminum alloy frame 31, touch inductive switch and control mechanism electrical connection, touch inductive switch is used for detecting whether someone or thing touch prevent pressing aluminum alloy frame 31, and the signaling gives control mechanism when someone or thing contact prevent pressing aluminum alloy frame 31, control mechanism control lift stop descends, the safety of protection personnel and article.

On the basis, the lifting device 4 comprises two lifting arms 41 arranged in a crossed manner and a cylinder 42 for driving the two lifting arms 41 to rotate relatively to enable the workbench 1 to ascend or descend, the two lifting arms 41 are connected in a rotating manner through a connecting piece, and the lifting device further comprises a highest limit proximity switch sensor, the highest limit proximity switch sensor is electrically connected with the control mechanism, and the highest limit proximity switch sensor is used for detecting whether the lifting device reaches the highest position or not.

On the basis, as shown in fig. 6, maintenance safety device 5 is including setting up maintenance pole 51 on one of them lifing arm 41, maintenance pole 51's one end is rotated with lifing arm 41 and is connected, be provided with maintenance pole location spacer 52 that is used for the fixed maintenance pole 51 other end on the lifing arm 41, be provided with the rotation location spacer 53 that is used for fixed maintenance pole 51 on another lifing arm 41, maintenance pole 51 carries along with the lift body, easy maintenance, maintenance pole location spacer 52 is used for fixed maintenance pole 51 when not using maintenance pole 51, rotation location spacer 53 is used for fixed maintenance pole 51 to fixed two lifing arms 41 prevent two lifing arm 41 relative movement, factor of safety is high.

On the basis, as shown in fig. 7, the minimum fine adjustment supporting device 6 includes a home-made fine adjustment screw 61, an external thread is arranged on the outer surface of one end of the home-made fine adjustment screw 61, a locking nut 62 is arranged on the outer surface of the home-made fine adjustment screw 61, an internal thread matched with the external thread is arranged on the inner surface of the locking nut 62, a countersunk head is arranged at the other end of the home-made fine adjustment screw 61, a countersunk head hole is formed in the upper end of the countersunk head, a supporting nylon cushion 63 is arranged in the countersunk head hole, a fixing supporting pipe 64 is arranged on the outer surface of one end, far away from the countersunk head, of the home-made fine adjustment screw 61 and the locking nut 62, the height of the elevator is finely adjusted in a matching manner, so that the bottom end of the elevator can be more accurately butted with other equipment, and the butted inlet and outlet are more flat and the goods can be conveniently loaded and unloaded.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. Fixed hydraulic lifting platform, including workstation (1), its characterized in that: the outer side of workstation (1) can be dismantled and be connected with guardrail device (2), the corner department that the below of workstation (1) is located workstation (1) is provided with prevents pressing device (3), the central point department of putting that the below of workstation (1) is located workstation (1) is provided with elevating gear (4), be provided with maintenance safety device (5) on elevating gear (4), the both sides of elevating gear (4) lower extreme are provided with minimum fine setting strutting arrangement (6), still including the control mechanism who is used for controlling fixed hydraulic elevating platform, prevent pressing device (3) and elevating gear (4) respectively with control mechanism electric connection.

2. The stationary hydraulic lift platform of claim 1, wherein: guardrail device (2) support guardrail (21) and second fender pole including first fender pole and support guardrail (22), first fender pole supports and is provided with between guardrail (21) and the second fender pole support guardrail (22) import and export upset fender pole (23), import and export upset fender pole (23) and first fender pole support guardrail (21) or the one end rotation connection that second fender pole supported guardrail (22) for import and export upset fender pole (23) can the rotation about.

3. The stationary hydraulic lift platform of claim 2, wherein: the upper end that first pin supported guardrail (21) or second pin supported guardrail (22) is provided with first through-hole, be provided with the connecting axle in the first through-hole, the through-hole rotates with the connecting axle to be connected, the one end and the connecting axle fixed connection of importing and exporting upset pin (23).

4. The stationary hydraulic lift platform of claim 3, wherein: and a stop lever supporting folded plate (24) is arranged below the connecting shaft on the first stop lever supporting guardrail (21) or the second stop lever supporting guardrail (22).

5. The stationary hydraulic lift platform of claim 1, wherein: prevent pressing device (3) including preventing pressing aluminum alloy frame (31), prevent pressing aluminum alloy frame (31) and pass through screw (32) hoist and mount in the below of workstation (1), still including setting up the touch inductive switch on preventing pressing aluminum alloy frame (31), touch inductive switch and control mechanism electrical connection.

6. The stationary hydraulic lift platform of claim 1, wherein: the lifting device (4) comprises two lifting arms (41) which are arranged in a crossed mode and a cylinder (42) which drives the two lifting arms (41) to rotate relatively to enable the workbench (1) to ascend or descend, the two lifting arms (41) are connected in a rotating mode through a connecting piece, the lifting device further comprises a highest limit proximity switch sensor, and the highest limit proximity switch sensor is electrically connected with a control mechanism.

7. The stationary hydraulic lift platform of claim 6, wherein: maintain safety device (5) including setting up maintenance pole (51) on one of them lifing arm (41), the one end and lifing arm (41) of maintenance pole (51) are rotated and are connected, be provided with maintenance pole location supporting stop (52) that are used for fixed maintenance pole (51) other end on lifing arm (41), be provided with rotation location supporting stop (53) that are used for fixed maintenance pole (51) on another lifing arm (41).

8. The stationary hydraulic lift platform of claim 1, wherein: minimum fine setting strutting arrangement (6) are including self-control fine setting screw (61), the surface of self-control fine setting screw (61) one end is provided with the external screw thread, the surface of self-control fine setting screw (61) is provided with lock nut (62), the internal surface of lock nut (62) is provided with the internal thread with external screw-thread fit, be provided with the countersunk head on the other end of self-control fine setting screw (61), be provided with the counter bore on the upper end of countersunk head, be provided with support nylon pad (63) in the counter bore, the surface of the one end that the countersunk head was kept away from to self-control fine setting screw (61) is provided with fixed stay tube (64).