An adjustable auxiliary leg device for an inclined working surface and an installation method thereof

By designing an adjustable device for assisted legs of the tilted working surface, the meshing connection between the rotating gear and the brake gear and the adjustable support pin are solved, and the leg adjustment problem of traditional machinery in places with large slopes and height differences is achieved, and a safe and efficient working effect is achieved.

CN116281678BActive Publication Date: 2025-08-08HUBEI CONSTR ENG TECH CO LTD
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Patent Information

Application Number
CN202310131780.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-02-17
Publication Date
2025-08-08
Estimated Expiration
2043-02-17

AI Technical Summary

Technical Problem

Traditional construction machinery such as car cranes and climbing vehicles require leg work have limited ability to adjust slope angle and height difference, resulting in limited operational selection and increased cost and safety risks.

Method used

An adjustable device for assisted legs of the tilt working surface is designed, including a rotating member, a brake member and a support member. Through the meshing connection between the rotating gear and the brake gear, the adjustable support pin and the anti-slip brake lever are combined to achieve flexible adjustment of the position and height of the legs.

Benefits of technology

It improves the safety and efficiency of slope site operations, expands the application scope of car cranes, avoids safety hazards of unconventional lifting methods, reduces costs and improves safety guarantees.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses an adjustable auxiliary support leg device for an inclined working surface and an installation method thereof, wherein a braking member is mounted on a supporting member, a rotating member is mounted on the braking member, the rotating member includes a pressure panel and a rotating gear, the braking member includes a pressure middle plate, a braking gear and an adjustable upper support frame, the rotating gear is mounted on the lower part of the pressure panel, the pressure middle plate is mounted on the adjustable upper support frame, the braking gear is mounted on the pressure middle plate, and the rotating gear is meshed and connected with the braking gear. Beneficial effects of the present invention: The present invention solves the technical problems that the support legs of automobile cranes have high requirements for the selection of support leg positions and the support legs themselves have limited adjustment capabilities for slope angles and height differences of different support legs, solves the operation requirements of support leg mechanical equipment, and at the same time improves the safety factor of operations on slope sites with large height differences, and solves the support leg safety issues of support leg working mechanical equipment under conditions with large height differences such as slopes and steps or undesirable ground bearing conditions.
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Description

Technical Field

[0001] The present invention relates to the technical field of underground loop construction, and in particular to an adjustable auxiliary support leg device for an inclined working surface and an installation method thereof. Background Art

[0002] Traditional construction machinery such as mobile cranes and aerial work platforms that require outriggers for operation have high requirements for the site conditions of the work surface. The outriggers themselves have limited ability to adjust the slope angle and the height difference of different outriggers. In many cases, other operating methods are used or materials such as sleepers and steel sections are used to temporarily raise the site, which increases costs and safety risks.

[0003] For example, CN213679476U discloses a stabilizing device for a car crane, comprising a pad for placing a disc at the bottom of a car crane leg, a snap mechanism fixedly connected to the upper surface of the pad by a connecting mechanism and used to fix the disc, a placement groove is provided at the center of the pad, the disc is located in the placement groove, at least three snap mechanisms are provided, and at least three snap mechanisms are evenly distributed along the circumference of the placement groove. The setting of the simple snap mechanism facilitates the fixed connection between the car crane leg and the pad, so that the pad and the car crane leg are synchronously lifted and moved, avoiding the operation of manually moving the pad multiple times, and the setting of the placement groove on the pad facilitates the car crane leg to effectively land on the center of the pad, so that the pad is evenly stressed, avoiding damage to the pad or stepping on it, causing the pad to tilt, and causing the pad to fail in effect.

[0004] The prior art does not disclose a technical solution for stabilizing the outriggers of a mobile crane or aerial platform on an inclined working surface.

[0005] Therefore, in order to solve the above problems, it is necessary to propose an adjustable auxiliary leg device for an inclined working surface and an installation method thereof. Summary of the Invention

[0006] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide an adjustable auxiliary leg device for an inclined working surface and an installation method thereof to solve the above-mentioned problems.

[0007] An adjustable device for auxiliary legs on an inclined working surface includes a rotating member, a braking member and a supporting member, wherein the braking member is installed on the supporting member, and the rotating member is installed on the braking member. The rotating member includes a pressure panel and a rotating gear, and the braking member includes a pressure middle plate, a braking gear and an adjustable upper support frame. The rotating gear is installed at the lower part of the pressure panel, the pressure middle plate is installed on the adjustable upper support frame, the braking gear is installed on the pressure middle plate, and the rotating gear is meshed with the braking gear.

[0008] Preferably, stiffening support frames are provided between both side edges of the rotating gear and the pressure-bearing panel.

[0009] Preferably, limit safety bars are provided on both the left and right sides of the pressure-bearing middle plate.

[0010] Preferably, the support member includes an adjustable lower support frame and a pressure-bearing base plate, the adjustable lower support frame is mounted on the pressure-bearing base plate, and a support limit block is provided in the adjustable lower support frame.

[0011] Preferably, the adjustable upper support frame 7 is provided with a plurality of first through holes, and the adjustable lower support frame is provided with a plurality of second through holes. The adjustable upper support frame and the adjustable lower support frame are fixedly connected by adjustable support pins through the first through holes and the second through holes.

[0012] Preferably, anti-slip brake rods are provided on both sides of the pressure-bearing base plate.

[0013] Preferably, the anti-skid brake rod is inserted into the lower supporting structure.

[0014] Preferably, the rotating gear is in an arc shape, and the braking gear is in a sector shape.

[0015] Preferably, the four corners of the pressure-bearing panel are each provided with a first mounting hole, the four corners of the pressure-bearing middle plate are each provided with a second mounting hole, and the four corners of the pressure-bearing bottom plate are each provided with a third mounting hole.

[0016] A method for installing an adjustable auxiliary leg device on an inclined working surface.

[0017] S1. Determine the slope of the road surface and structure below the working surface of mechanical equipment such as mobile cranes and aerial platforms that require outriggers, select the appropriate angle of the rotating component, and ensure that the rotating gear and brake gear are positioned and locked securely;

[0018] S2. Determine the height difference of each outrigger when the mechanical equipment such as mobile cranes and aerial platforms require outriggers to work, and whether the adjustable support pins are used in conjunction with the adjustable supports to adjust the height;

[0019] S3. After the outrigger positions are determined, the supporting base components are fixed on the lower structure and road, and the anti-skid brake rods are used to connect with the road and structure through the holes.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The present invention solves the technical difficulties that the outriggers of automobile cranes have high requirements for the selection of outrigger positions and the outriggers themselves have limited ability to adjust the slope angle and the height difference of different outriggers. It can simply and efficiently solve the operation requirements of mechanical equipment that requires outriggers, and at the same time improve the safety factor of operations in sites with large height differences on slopes. It effectively solves the outrigger safety problem of mechanical equipment such as automobile cranes, aerial platforms, and articulated boom trucks working on outriggers in conditions with large height differences such as slopes and steps or undesirable ground bearing conditions.

[0022] (2) The present invention solves the problem that a large truck crane cannot operate under conditions of large height differences by using simple, efficient, and matching assembly methods, greatly expanding the application range of the truck crane, avoiding some safety hazards caused by using unconventional lifting methods that cannot be used with a truck crane, improving operating efficiency and safety, and can be used as an auxiliary extension device for outrigger-type construction machinery.

[0023] (3) The transport device of the present invention has the advantages of good overall structure, wide applicability, convenient material procurement, simple assembly measures, stability and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Schematic diagram of the adjustable auxiliary leg device for an inclined working surface according to the present invention;

[0025] Figure 2 It is a structural diagram of the rotating member of the present invention;

[0026] Figure 3 is a bottom bottom view of the rotating member of the present invention;

[0027] Figure 4 It is a structural diagram of the brake component of the present invention;

[0028] Figure 5 is a top view of the brake component of the present invention;

[0029] Figure 6 is a bottom view of the brake component of the present invention;

[0030] Figure 7 It is a structural diagram of the support member of the present invention;

[0031] Figure 8 is a top view of the support member of the present invention;

[0032] Figure 9 It is a schematic diagram of the working state of the present invention.

[0033] The accompanying drawings are as follows: 1. rotating member; 2. braking member; 3. supporting member; 4. bearing structure; 101. pressure panel; 102. rotating gear; 103. stiffening support frame; 104. first mounting hole; 201. pressure middle plate; 202. braking gear; 203. adjustable upper support frame; 204. limit safety bar; 205. first through hole; 206. second mounting hole; 301. adjustable lower support frame; 302. pressure bottom plate; 303. support limit block; 304. second through hole; 305. adjustable support pin; 306. anti-slip brake bar; 307. third mounting hole. DETAILED DESCRIPTION

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0036] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0037] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0038] like Figure 1 Combined with Figures 2 to 9 As shown, an adjustable device for auxiliary legs on an inclined working surface includes a rotating member 1, a braking member 2 and a supporting member 3, wherein the braking member 2 is mounted on the supporting member 3, and the rotating member 1 is mounted on the braking member 2, the rotating member 1 includes a pressure panel 101 and a rotating gear 102, the braking member 2 includes a pressure middle plate 201, a braking gear 202 and an adjustable upper support frame 203, the rotating gear 102 is mounted on the lower part of the pressure panel 101, the pressure middle plate 201 is mounted on the adjustable upper support frame 203, the braking gear 202 is mounted on the pressure middle plate 201, and the rotating gear 102 is meshed with the braking gear 202.

[0039] Furthermore, stiffening support frames 103 are provided between both sides of the rotating gear 102 and the pressure-bearing panel 101 .

[0040] Furthermore, limit safety rods 204 are provided on both the left and right sides of the pressure-bearing middle plate 201 .

[0041] Furthermore, the support member 3 includes an adjustable lower support frame 301 and a pressure-bearing base plate 302 . The adjustable lower support frame 301 is installed on the pressure-bearing base plate 302 . A support limit block 303 is provided in the adjustable lower support frame 301 .

[0042] Furthermore, the adjustable upper support frame 203 is provided with a plurality of first through holes 205, and the adjustable lower support frame 301 is provided with a plurality of second through holes 304. The adjustable upper support frame 203 and the adjustable lower support frame 301 are fixedly connected by an adjustable support pin 305 through the first through holes 205 and the second through holes 304.

[0043] Furthermore, anti-slip brake rods 306 are provided on both sides of the pressure-bearing bottom plate 302 .

[0044] Furthermore, the anti-slip brake rod 306 is inserted into the bearing structure 4 to prevent the friction force from being unable to resist the horizontal component of the upper load.

[0045] Furthermore, the shape of the rotating gear 102 is an arc, and the shape of the braking gear 202 is a sector.

[0046] Furthermore, the four corners of the pressure-bearing panel 101 are each provided with a first mounting hole 104 , the four corners of the pressure-bearing middle plate 201 are each provided with a second mounting hole 206 , and the four corners of the pressure-bearing bottom plate 302 are each provided with a third mounting hole 307 .

[0047] A method for installing an adjustable auxiliary leg device on an inclined working surface.

[0048] S1. Determine the slope of the road surface or structure below the working surface of a mechanical device such as a mobile crane or aerial platform that requires outriggers, select an appropriate angle for the rotating member 1, and securely position the rotating gear 102 and the brake gear 202;

[0049] S2. Determine the height difference of each outrigger when a mechanical device such as a mobile crane or aerial platform needs outriggers to work, and whether the adjustable support pin 305 is used to adjust the height in conjunction with the adjustable support;

[0050] S3. After the position of the supporting legs is determined, the supporting base member is fixed on the lower structure and road, and the anti-skid brake rod 306 is used to connect with the road and structure through the holes.

[0051] Compared with the prior art, the present invention has the following beneficial effects:

[0052] (1) The present invention solves the technical difficulties that the outriggers of automobile cranes have high requirements for the selection of outrigger positions and the outriggers themselves have limited ability to adjust the slope angle and the height difference of different outriggers. It can simply and efficiently solve the operation requirements of mechanical equipment that requires outriggers, and at the same time improve the safety factor of operations in sites with large height differences on slopes. It effectively solves the outrigger safety problem of mechanical equipment such as automobile cranes, aerial platforms, and articulated boom trucks working on outriggers in conditions with large height differences such as slopes and steps or undesirable ground bearing conditions.

[0053] (2) The present invention solves the problem that a large truck crane cannot operate under conditions of large height differences by using simple, efficient, and matching assembly methods, greatly expanding the application range of the truck crane, avoiding some safety hazards caused by using unconventional lifting methods that cannot be used with a truck crane, improving operating efficiency and safety, and can be used as an auxiliary extension device for outrigger-type construction machinery.

[0054] (3) The transport device of the present invention has the advantages of good overall structure, wide applicability, convenient material procurement, simple assembly measures, stability and safety.

[0055] The rotating gear 102 is fixed on the pressure panel 101, and is reliably connected to the pressure panel 101 by means of a stiffening support frame 103, and the brake gear 202 is reliably connected to the pressure middle plate 201; the rotating gear 102 and the brake gear 202 cooperate with each other and are clamped after adjusting the required angle to fix the angle between the pressure panel 101 and the pressure middle plate 201; after adjusting the angle of the rotating gear 102 and the brake gear 202, a limit insurance is used to fix them to prevent instability after bearing the load; two adjustable upper supports are fixed to the pressure middle plate 201, and four adjustable lower supports are fixed to the pressure bottom plate 302, and the precision machining is completed. The work pin shaft holes (the first through hole 205 and the second through hole 304) can be passed through the adjustable support pin shaft 305, and the precision-machined pin shaft hole support limit unit can effectively prevent the adjustable upper support frame 203 and the adjustable lower support frame 301 from displacement; the pressure base plate 302 can be selected to a suitable size according to the actual working load and the bearing capacity of the working surface, and the adjustable upper support frame 203, the adjustable lower support frame 301 and the adjustable support pin shaft 305 can be used in combination to meet the needs of different working height differences; the anti-slip brake rod 306 needs to be effectively inserted into the lower bearing structure to prevent the friction force from being unable to resist the horizontal component of the upper load.

[0056] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention description and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A method for installing an adjustable auxiliary leg device for an inclined working surface, characterized in that: The method steps are: S1. Determine the slope of the road surface and structure below the mobile crane or aerial platform where the mechanical equipment requires outriggers to operate, select the appropriate angle of the rotating component, and ensure that the rotating gear and brake gear are aligned and locked securely; S2. Determine the height difference of each outrigger when the mechanical equipment such as mobile cranes and aerial platforms require outriggers to work, and whether the height can be adjusted by using adjustable support pins in conjunction with adjustable supports; S3. After the outriggers are positioned, secure the support members to the structure or road below, using anti-skid brake rods to connect to the road or structure through holes. The inclined working surface auxiliary leg adjustable device comprises a rotating member (1), a braking member (2) and a supporting member (3); the braking member (2) is mounted on the supporting member (3); the rotating member (1) is mounted on the braking member (2); the rotating member (1) comprises a pressure-bearing panel (101) and a rotating gear (102); the braking member (2) comprises a pressure-bearing middle plate (201), a braking gear (202) and an adjustable upper supporting frame (203); the rotating gear (102) is mounted on the lower part of the pressure-bearing panel (101); the pressure-bearing middle plate (201) is mounted on the adjustable upper supporting frame (203); the braking gear (202) is mounted on the pressure-bearing middle plate (201); and the rotating gear (102) is meshedly connected with the braking gear (202); The support member (3) comprises an adjustable lower support frame (301) and a pressure-bearing base plate (302); the adjustable lower support frame (301) is mounted on the pressure-bearing base plate (302); and a support limit block (303) is provided in the adjustable lower support frame (301); The rotating gear (102) is in an arc shape, and the braking gear (202) is in a sector shape; the four corners of the pressure-bearing panel (101) are each provided with a first mounting hole (104), the four corners of the pressure-bearing middle plate (201) are each provided with a second mounting hole (206), and the four corners of the pressure-bearing bottom plate (302) are each provided with a third mounting hole (307); The adjustable upper support frame (203) is provided with a plurality of first through holes (205), and the adjustable lower support frame (301) is provided with a plurality of second through holes (304). The adjustable upper support frame (203) and the adjustable lower support frame (301) are fixedly connected by an adjustable support pin (305) through the first through holes (205) and the second through holes (304); and anti-slip brake rods (306) are provided on both sides of the pressure-bearing base plate (302).

2. The method for installing an adjustable auxiliary leg device for an inclined working surface according to claim 1, characterized in that: A stiffening support frame (103) is provided between both sides of the rotating gear (102) and the pressure-bearing panel (101).

3. The method for installing the adjustable auxiliary leg device for an inclined working surface according to claim 1, characterized in that: Limiting safety rods (204) are provided on both the left and right sides of the pressure-bearing middle plate (201).

4. The method for installing an adjustable auxiliary leg device for an inclined working surface according to claim 1, wherein: The anti-slip brake rod (306) is inserted into the interior of the bearing structure (4).

Citation Information

Patent Citations

  • Truck crane stabilizing device

    CN213679476U

  • Supporting leg automatic leveling method with suspended leg recognition function

    CN106986276A

  • Seat tilting device with adjustable height

    KR102235731B1