Electric control integrated device of scissor type aerial work platform

By introducing an emergency stop speed sensor and a stall lock assembly into a scissor lift, the problem of lack of emergency stop protection in the prior art is solved, and safe and stable operation of the lifting platform is achieved.

CN223342368UActive Publication Date: 2025-09-16ZHEJIANG DINGLI MACHINERY CO LTD
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Patent Information

Application Number
CN202422902184.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-16
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing scissor lifts lack effective emergency stop protection measures when encountering obstacles, sudden power outages, equipment failures or other emergency situations, and are unable to stop efficiently, posing a safety hazard.

Method used

A stall lock assembly including an emergency stop speed sensor, a control box, a push rod and a rubber buffer pad is designed to automatically stop the lifting platform when overspeed is detected, and achieve stable lifting through a hydraulic push rod and an auxiliary slide rod.

Benefits of technology

It achieves rapid shutdown in emergency situations, protects the safety of workers, and ensures the stability and safety of the lifting platform.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shear fork type lifters, and discloses a shear fork type aerial work platform electric control integrated device which comprises a vehicle body, a lifting control mechanism is arranged on the top of the vehicle body and comprises a lifting assembly and a stall locking assembly, a lifting platform is arranged on the top of the vehicle body, and the stall locking assembly is arranged on the lifting platform. An auxiliary supporting mechanism is arranged on the surface of the vehicle body, wheels are installed at the bottom end of the vehicle body, a control host is installed on the front face of the vehicle body, when a sudden stop speed sensor detects that the falling speed of the lifting platform exceeds a preset value, a signal is transmitted to the control host, the control host immediately starts a control box, and a first push rod immediately pops up; and the second push rod pops up synchronously, the rubber buffer pad abuts against the connecting position of the lifting support, the lifting support is prevented from continuing to contract, the device can be stopped rapidly through cooperation with the arrangement of an emergency stop control button, and therefore the life safety of workers at the top is protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of scissor-type lifts, in particular to an electric control integrated device for a scissor-type aerial work platform. Background Art

[0002] A scissor lift is a mechanical device that uses a rectangular steel pipe or steel plate as a scissor-fork lifting mechanism to push the scissor-fork bracket to open and close through the extension and contraction of a hydraulic cylinder or a rigid chain or a large spiral drive system, thereby achieving lifting and lowering movements.

[0003] According to a convenient scissor-type lift disclosed on the patent website (authorization announcement number: CN209989037U), "The present utility model discloses a convenient scissor-type lift, comprising: a support platform and a scissor-type lifting mechanism for driving the support platform to rise and fall, wherein both ends of the support platform are fixedly connected with a lifting tool box, and the lifting tool box comprises a horizontal plate, an upper tool box, a lower tool box and a lifting assembly; the lower tool box is arranged on the horizontal plate, and the upper tool box is connected to the horizontal plate through the lifting assembly, and is suitable for adjusting the relative height of the upper tool box and the support platform, and the horizontal plate is fixedly connected to the support platform. In this way, the convenient scissor-type lift described in the present utility model increases the working space of construction workers, enhances the convenience of construction workers in taking and placing tools, and improves the safety of construction."

[0004] Based on the above, the applicant believes that the following defects exist:

[0005] The easy-to-use scissor-type lift includes a supporting platform and a scissor-type lifting mechanism for driving the supporting platform to rise and fall. The easy-to-use scissor-type lift described in the utility model increases the working space of construction workers, enhances the convenience of construction workers in taking and placing tools, and improves the safety of construction. During the operation of the lift, if an obstacle, sudden power outage, equipment failure or other emergency situation is encountered, an emergency stop is required to immediately shut down the device. The device is not equipped with corresponding protection measures, and an efficient emergency stop cannot be achieved through the controller. Utility Model Content

[0006] The purpose of the present utility model is to provide an electric control integrated device for a scissor-type aerial work platform to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: an electronic control integrated device for a scissor-type aerial work platform, comprising a vehicle body, a lifting control mechanism provided on the top of the vehicle body, the lifting control mechanism comprising a lifting assembly and a stall lock assembly, a lifting platform provided on the top of the vehicle body, and an auxiliary support mechanism provided on the surface of the vehicle body;

[0008] The stall lock assembly includes a control box, which is installed on the right side of the front and rear ends of the top of the vehicle body, a first push rod is installed on the inside of the control box, a second push rod is installed on the top of the first push rod, and a rubber buffer pad is fixedly connected to the top of the second push rod. An emergency stop speed sensor is installed on the right front end of the bottom of the lifting platform, a guardrail is fixedly connected to the top of the lifting platform, a connecting sleeve is fixedly connected to the surface of the guardrail, and an emergency stop control button is installed on the surface of the connecting sleeve. When the emergency stop speed sensor detects that the falling speed of the lifting platform exceeds a predetermined value, it will transmit a signal to the control host, and the control host will immediately start the control box, the first push rod will pop out immediately, and the second push rod will pop out synchronously to press the rubber buffer pad against the connection of the lifting bracket to prevent the lifting bracket from continuing to shrink. Combined with the setting of the emergency stop control button, the device can be quickly shut down, thereby protecting the lives of the staff on the top.

[0009] Preferably, the control box is provided in two groups, and the first push rod, the second push rod and the rubber buffer pad are provided in two groups.

[0010] Preferably, the lifting assembly includes a lifting bracket, which is installed at the right end of the top of the vehicle body, a middle connecting rod is installed inside the lifting bracket, a hydraulic push rod is installed on the inside of the lifting bracket, an auxiliary slide bar 1 is installed at the bottom left end of the inner side of the lifting bracket, and an auxiliary slide bar 2 is installed at the left end of the top inside the lifting bracket. The left ends of the front and rear ends of the top of the vehicle body are fixedly connected to the bottom frame, and the left ends of the front and rear ends of the bottom of the lifting platform are fixedly connected to the top frame. When the lifting platform needs to be raised, the hydraulic push rod is started by controlling the host to push the lifting bracket up. At this time, the auxiliary slide bar 1 and the auxiliary slide bar 2 move inside the bottom frame and the top frame respectively, thereby realizing stable lifting of the lifting bracket without unnecessary shaking and displacement.

[0011] Preferably, the auxiliary sliding bar 1 is arranged inside the bottom frame, and the auxiliary sliding bar 2 is arranged inside the top frame.

[0012] Preferably, the auxiliary support mechanism includes a connecting block, which is fixedly connected to the four corners of the vehicle body surface, and a first telescopic rod is fixedly connected to the surface of the connecting block, and the end of the first telescopic rod away from the connecting block is fixedly connected to the fixed block, and the bottom of the fixed block is fixedly connected to the second telescopic rod, and the bottom of the second telescopic rod is fixedly connected to the support foot.

[0013] Preferably, wheels are installed at the bottom of the vehicle body, a control host is installed at the front of the vehicle body, a guardrail is fixedly connected to the top of the lifting platform, and a blocking door is installed on the surface of the guardrail.

[0014] Compared with the existing technology, the utility model provides an electric control integrated device for a scissor-type aerial work platform, which has the following beneficial effects:

[0015] 1. The electronic control integrated device of the scissor-type aerial work platform is equipped with a stall lock component. When the emergency stop speed sensor detects that the speed of the lifting platform falls exceeds the preset value, it will transmit a signal to the control host. The control host immediately starts the control box, and the first push rod pops out immediately, and the second push rod pops out synchronously, pressing the rubber buffer pad against the connection of the lifting bracket to prevent the lifting bracket from continuing to retract. Combined with the setting of the emergency stop control button, the device can be quickly shut down, thereby protecting the lives of the workers on the top.

[0016] 2. The electronic control integrated device of the scissor-type aerial work platform is equipped with a lifting assembly. When the lifting platform needs to be raised, the hydraulic push rod is activated by controlling the main machine to push up the lifting bracket. At this time, the auxiliary slide bar 1 and the auxiliary slide bar 2 move inside the bottom frame and the top frame respectively, thereby achieving stable lifting of the lifting bracket without unnecessary shaking and displacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the lifting assembly of the structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom of the structural lifting platform of the utility model;

[0021] Figure 4 This is a schematic diagram of the structural lifting platform of the utility model;

[0022] Figure 5 This is a schematic diagram of the auxiliary support mechanism of the structure of the utility model.

[0023] In the figure: 1. Vehicle body; 2. Wheel; 3. Control host; 4. Lifting control mechanism; 41. Lifting assembly; 411. Lifting bracket; 412. Middle connecting rod; 413. Hydraulic push rod; 414. Auxiliary slide bar 1; 415. Auxiliary slide bar 2; 416. Bottom frame; 417. Top frame; 42. Stall lock assembly; 421. Control box; 422. First push rod; 423. Second push rod; 424. Rubber buffer pad; 425. Emergency stop speed sensor; 426. Connecting sleeve; 427. Emergency stop control button; 5. Lifting platform; 6. Guardrail; 7. Barrier door; 8. Auxiliary support mechanism; 81. Connecting block; 82. First telescopic rod; 83. Fixed block; 84. Second telescopic rod; 85. Support foot. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] Example 1

[0028] See also Figure 1-5 A scissor-type aerial work platform electronic control integrated device includes a vehicle body 1, a lifting control mechanism 4 is provided on the top of the vehicle body 1, the lifting control mechanism 4 includes a lifting component 41 and a stall lock component 42, a lifting platform 5 is provided on the top of the vehicle body 1, and an auxiliary support mechanism 8 is provided on the surface of the vehicle body 1;

[0029] The stall lock assembly 42 includes a control box 421, which is installed on the right side of the front and rear ends of the top of the vehicle body 1. A first push rod 422 is installed inside the control box 421, a second push rod 423 is installed on the top of the first push rod 422, and a rubber buffer pad 424 is fixedly connected to the top of the second push rod 423. An emergency stop speed sensor 425 is installed on the right front end of the bottom of the lifting platform 5. A guardrail 6 is fixedly connected to the top of the lifting platform 5. A connecting sleeve 426 is fixedly connected to the surface of the guardrail 6. An emergency stop control button 427 is installed on the surface of the connecting sleeve 426. When the emergency stop speed sensor 425 detects that the falling speed of the lifting platform 5 exceeds a predetermined value, it transmits a signal to the control host 3. The control host 3 immediately activates the control box 421, and the first push rod 422 immediately pops out. The second push rod 423 pops out synchronously, pressing the rubber buffer pad 424 against the connection of the lifting bracket 411 to prevent the lifting bracket 411 from further retracting. In conjunction with the setting of the emergency stop control button 427, the device can be quickly shut down, thereby protecting the lives of the workers on the top. The model of this emergency stop speed sensor is MSG LAF4.

[0030] The control box 421 is provided in two groups, and the first push rod 422, the second push rod 423 and the rubber buffer pad 424 are provided in two groups;

[0031] The lifting assembly 41 includes a lifting bracket 411, which is installed at the right end of the top of the vehicle body 1. A middle connecting rod 412 is installed inside the lifting bracket 411, a hydraulic push rod 413 is installed inside the lifting bracket 411, an auxiliary slide bar 1 414 is installed at the bottom left end of the inside of the lifting bracket 411, and an auxiliary slide bar 2 415 is installed at the left end of the top inside the lifting bracket 411. The left ends of the front and rear ends of the top of the vehicle body 1 are fixedly connected to the bottom frame 416, and the left ends of the front and rear ends of the bottom of the lifting platform 5 are fixedly connected to the top frame 417. When the lifting platform 5 needs to be raised, the hydraulic push rod 413 is activated by the control host 3 to push the lifting bracket 411 up. At this time, the auxiliary slide bar 1 414 and the auxiliary slide bar 2 415 move inside the bottom frame 416 and the top frame 417 respectively, thereby realizing stable lifting of the lifting bracket 411 without unnecessary shaking and displacement.

[0032] The auxiliary sliding bar 1 414 is disposed inside the bottom frame 416 , and the auxiliary sliding bar 2 415 is disposed inside the top frame 417 .

[0033] Example 2

[0034] See also Figure 1-5On the basis of the first embodiment, the auxiliary support mechanism 8 further comprises a connecting block 81, the connecting block 81 is fixedly connected to the four corners of the surface of the vehicle body 1, a first telescopic rod 82 is fixedly connected to the surface of the connecting block 81, an end of the first telescopic rod 82 away from the connecting block 81 is fixedly connected to a fixing block 83, a second telescopic rod 84 is fixedly connected to the bottom of the fixing block 83, and a supporting foot 85 is fixedly connected to the bottom of the second telescopic rod 84;

[0035] The bottom of the vehicle body 1 is provided with wheels 2 , the front of the vehicle body 1 is provided with a control host 3 , the top of the lifting platform 5 is fixedly connected with a guardrail 6 , and a barrier door 7 is installed on the surface of the guardrail 6 .

[0036] In actual operation, when the device is used, the vehicle body 1 is moved to a suitable position, the auxiliary support mechanism 8 is activated, and the device is propped up by the extension and contraction of the first telescopic rod 82 and the second telescopic rod 84 to prevent the vehicle body 1 from moving and affecting the work during operation. Then the staff can board the lifting platform 5. When the lifting platform 5 needs to be raised, the hydraulic push rod 413 is activated by the control host 3 to push up the lifting bracket 411. At this time, the auxiliary slide bar 1 414 and the auxiliary slide bar 2 415 move inside the bottom frame 416 and the top frame 417 respectively, thereby realizing the lifting. The bracket 411 is lifted and lowered stably without unnecessary shaking and displacement. When the emergency stop speed sensor 425 detects that the falling speed of the lifting platform 5 exceeds a predetermined value, it transmits a signal to the control host 3. The control host 3 immediately starts the control box 421, and the first push rod 422 pops out immediately, and the second push rod 423 pops out synchronously, pressing the rubber buffer pad 424 against the connection of the lifting bracket 411 to prevent the lifting bracket 411 from continuing to shrink. Combined with the setting of the emergency stop control button 427, the device can be quickly shut down, thereby protecting the lives of the staff on the top.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A scissor-type aerial work platform electronic control integrated device, comprising a vehicle body (1), characterized in that: A lifting control mechanism (4) is provided on the top of the vehicle body (1), and the lifting control mechanism (4) includes a lifting assembly (41) and a stall lock assembly (42); a lifting platform (5) is provided on the top of the vehicle body (1); and an auxiliary support mechanism (8) is provided on the surface of the vehicle body (1); The stall lock assembly (42) includes a control box (421), which is installed on the right sides of the front and rear ends of the top of the vehicle body (1); a first push rod (422) is installed on the inner side of the control box (421); a second push rod (423) is installed on the top of the first push rod (422); a rubber buffer pad (424) is fixedly connected to the top of the second push rod (423); an emergency stop speed sensor (425) is installed at the right front end of the bottom of the lifting platform (5); a guardrail (6) is fixedly connected to the top of the lifting platform (5); a connecting sleeve (426) is fixedly connected to the surface of the guardrail (6); and an emergency stop control button (427) is installed on the surface of the connecting sleeve (426).

2. The electronic control integrated device for a scissor-type aerial work platform according to claim 1, characterized in that: The control box (421) is provided in two groups, and the first push rod (422), the second push rod (423) and the rubber buffer pad (424) are provided in two groups.

3. The electronic control integrated device for a scissor-type aerial work platform according to claim 1, characterized in that: The lifting assembly (41) includes a lifting bracket (411), the lifting bracket (411) is installed at the right end of the top of the vehicle body (1), a middle connecting rod (412) is installed inside the lifting bracket (411), a hydraulic push rod (413) is installed inside the lifting bracket (411), an auxiliary sliding rod (414) is installed at the bottom end of the left side of the inside of the lifting bracket (411), and an auxiliary sliding rod (415) is installed at the left end of the top of the inside of the lifting bracket (411). The left ends of the front and rear ends of the top of the vehicle body (1) are fixedly connected to the bottom frame (416), and the left ends of the front and rear ends of the bottom of the lifting platform (5) are fixedly connected to the top frame (417).

4. The electronic control integrated device for a scissor-type aerial work platform according to claim 3, characterized in that: The auxiliary slide bar 1 (414) is arranged inside the bottom frame (416), and the auxiliary slide bar 2 (415) is arranged inside the top frame (417).

5. The electronic control integrated device for a scissor-type aerial work platform according to claim 1, characterized in that: The auxiliary support mechanism (8) comprises a connecting block (81), wherein the connecting block (81) is fixedly connected to the four corners of the surface of the vehicle body (1), a first telescopic rod (82) is fixedly connected to the surface of the connecting block (81), an end of the first telescopic rod (82) away from the connecting block (81) is fixedly connected to a fixed block (83), a second telescopic rod (84) is fixedly connected to the bottom of the fixed block (83), and a supporting foot (85) is fixedly connected to the bottom of the second telescopic rod (84).

6. The electronic control integrated device for a scissor-type aerial work platform according to claim 1, characterized in that: The bottom end of the vehicle body (1) is equipped with wheels (2), the front end of the vehicle body (1) is equipped with a control host (3), the top of the lifting platform (5) is fixedly connected with a guardrail (6), and the surface of the guardrail (6) is equipped with a barrier door (7).

Citation Information

Patent Citations

  • Scissor lift convenient to use

    CN209989037U