Anti-toppling safety device of safety engineering ladder

Abstract

The utility model discloses an anti-toppling safety device of a safety engineering ladder, and belongs to the technical field of engineering ladders, the anti-toppling safety device of the safety engineering ladder comprises two mounting racks fixedly mounted on an engineering ladder main body, the two ends of each mounting rack are rotatably connected with sleeves through pin shafts, extension rods are arranged in the sleeves, and the extension rods are connected with the mounting racks through pin shafts. A clamping assembly is arranged on the periphery of the casing pipe, the extension rod is fixed to the casing pipe through the clamping assembly, and a first leveling mechanism is installed at the bottom of the installation frame. A telescopic structure composed of the casing pipe, the extension rod and the clamping assembly can be used for enlarging the supporting range of the bottom of the engineering ladder body, so that the engineering ladder body is stably supported; and under the cooperation of the first leveling mechanism and the second leveling mechanism, the overall structure is adjusted to be in a horizontal state, the phenomenon that the engineering ladder body shakes or topples due to the fact that the gravity center shifts in the using process is avoided, and the using stability and safety of the engineering ladder body are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering ladder technical field more specifically, relate to a kind of anti-toppling safety device of safety engineering ladder. BACKGROUND

[0002] Safety engineering ladder is a kind of equipment used in engineering construction, mainly used to provide safe, stable climbing and working platform.

[0003] Based on the above, the present inventor found that: the traditional engineering ladder in the use process, mostly rely on ladder leg to support, its stability is relatively poor, so that staff when getting on and off ladder, ladder body is prone to sway, there is a big security risk;In addition, the traditional engineering ladder in the uneven ground for the use of site, its ladder leg often can not get stable support, leading to the whole engineering ladder to place unstable, prone to toppling phenomenon, affect its normal use, therefore, in view of this, to the existing structure is studied and improved, provide a kind of anti-toppling safety device of safety engineering ladder, to reach more practical value purpose. UTILITY MODEL CONTENT

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the utility model aims at providing an anti-toppling safety device of safety engineering ladder, which can increase the range of support of the bottom of the engineering ladder main body by using the telescopic structure composed of the sleeve and the extension rod and the clamping assembly, so that it is stably supported, and the whole structure is adjusted to the horizontal state under the cooperation of the leveling mechanism one and the leveling mechanism two, so that the phenomenon of shaking or toppling of the engineering ladder main body due to the shift of the center of gravity in the use process is avoided, and the stability and safety of the use of the engineering ladder main body are greatly improved.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme.

[0008] An anti-toppling safety device of safety engineering ladder, comprising two mounting racks fixedly installed on the engineering ladder main body, both ends of the mounting rack are rotatably connected with a sleeve through a pin shaft, the inside of the sleeve is provided with an extension rod, the outer periphery of the sleeve is provided with a clamping assembly, the extension rod is fixed with the sleeve through the clamping assembly, the bottom of the mounting rack is provided with a leveling mechanism one, the end of the extension rod away from the sleeve is provided with a leveling mechanism two, the leveling mechanism one and the leveling mechanism two are the same structure.

[0009] Further, the leveling mechanism one comprises a threaded sleeve fixed to the bottom of the mounting frame, a threaded adjusting rod is threadedly connected in the threaded sleeve, a handwheel is fixedly connected to the top end of the threaded adjusting rod, and a supporting seat is fixedly connected to the bottom end of the threaded adjusting rod.

[0010] Further, the clamping assembly comprises a mounting block fixed to one side of the sleeve, two clamping rods are arranged on one side of the mounting block, one end of each clamping rod penetrates through the mounting block and is clamped and connected with a corresponding extension rod, a handle is fixedly connected between the other ends of the two clamping rods, and a reset spring is arranged around the clamping rod.

[0011] Further, the reset spring is arranged between the mounting block and the handle and is fixedly connected with the mounting block and the handle at both ends.

[0012] Further, a plurality of equidistant clamping grooves are arranged on the side of the extension rod close to the clamping rod, and the end of the clamping rod is clamped in a corresponding clamping groove.

[0013] Further, mounting seats are fixedly connected to the sides of the two mounting frames close to each other, and two supporting rods are detachably connected between the two mounting seats.

[0014] Further, two insertion holes are arranged on the mounting seat, and the two ends of the supporting rod are in the form of a hook structure and are inserted into corresponding insertion holes, respectively.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) According to the present scheme, the clamping assembly can be opened according to actual needs, the extension rod is pulled out outward, the range of support of the bottom of the engineering ladder main body is increased, the bottom of the engineering ladder main body can be stably supported, two supporting rods are additionally arranged, the middle part of the engineering ladder main body is pulled, and the stability of the overall structure of the engineering ladder main body is further improved, and the phenomenon that the ladder body shakes when the staff goes up and down the ladder is effectively avoided.

[0018] (2) According to the present scheme, the leveling mechanism one and the leveling mechanism two are arranged, when the engineering ladder main body is used on a site with pits and uneven ground, the leveling mechanism one and the leveling mechanism two can be adjusted separately, the engineering ladder main body can be adjusted to a stable state, the phenomenon that the engineering ladder main body shakes or falls due to the shift of the center of gravity during use is avoided, and the stability and safety of the use of the engineering ladder main body are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 For the utility model Figure 1 Remove the structural diagram of engineering ladder main body;

[0021] Figure 3 For the utility model Figure 2 Position A amplification structure schematic view;

[0022] Figure 4 For the utility model Figure 2 Position B amplification structure schematic view.

[0023] Figure label explanation:

[0024] 1, engineering ladder main body;

[0025] 2, mounting bracket;

[0026] 3, sleeve;

[0027] 4, extension rod;401, card slot;

[0028] 5, card set component;501, mounting block;502, card rod;503, handle;504, return spring;

[0029] 6, leveling mechanism one;601, threaded sleeve;602, adjusting screw rod;603, rocker;604, support seat;

[0030] 7, leveling mechanism two;

[0031] 8, mounting seat;

[0032] 9, support pull rod. Specific embodiments

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] Embodiments:

[0035] Please refer to Figures 1-4The application discloses a safety device for preventing an engineering ladder from falling over, which comprises two mounting racks 2 fixedly installed on a main body 1 of the engineering ladder, a sleeve 3 rotatably connected to each end of the mounting rack 2 through a pin shaft, an extension rod 4 arranged in the sleeve 3, a clamping assembly 5 arranged on the outer periphery of the sleeve 3, the extension rod 4 being fixed with the sleeve 3 through the clamping assembly 5, a leveling mechanism one 6 installed at the bottom of the mounting rack 2, and a leveling mechanism two 7 installed at the end of the extension rod 4 away from the sleeve 3, wherein the leveling mechanism one 6 and the leveling mechanism two 7 are of the same structure.

[0036] Referring to Figure 3 The leveling mechanism one 6 comprises a threaded sleeve 601 fixedly installed at the bottom of the mounting rack 2, an adjusting threaded rod 602 threadedly connected to the inside of the threaded sleeve 601, a rocking disc 603 fixedly connected to the top end of the adjusting threaded rod 602, and a supporting seat 604 fixedly connected to the bottom end of the adjusting threaded rod 602.

[0037] Referring to Figure 4 The clamping assembly 5 comprises a mounting block 501 fixedly installed at one side of the sleeve 3, two clamping rods 502 arranged at one side of the mounting block 501, one end of each clamping rod 502 penetrating through the mounting block 501 and being clampedly connected with the corresponding extension rod 4, a handle 503 fixedly connected between the other ends of the two clamping rods 502, and a reset spring 504 sleeved on the outer periphery of the clamping rod 502.

[0038] Referring to Figure 4 The reset spring 504 is arranged between the mounting block 501 and the handle 503 and fixedly connected with the mounting block 501 and the handle 503 at two ends.

[0039] Referring to Figure 4 The extension rod 4 is provided with a plurality of equidistantly distributed clamping grooves 401 at one side close to the clamping rod 502, and the end of the clamping rod 502 is clamped in the corresponding clamping groove 401.

[0040] Referring to Figure 2 The two mounting racks 2 are fixedly connected with mounting seats 8 at the sides close to each other, and two supporting rods 9 are detachably connected between the two mounting seats 8.

[0041] Referring to Figure 2 The mounting seat 8 is provided with two insertion holes, and the two ends of the supporting rod 9 are in the form of a hook structure and are respectively inserted into the corresponding insertion holes.

[0042] In use: after placing the engineering ladder body 1 to the designated position, turn the sleeve 3 outward by a certain angle, at this time, pull out the clamping rod 502 outward by using the handle 503, make the clamping rod 502 separate from the corresponding clamping groove 401, then extend the extension rod 4 to the appropriate position, release the handle 503, use the elastic force generated by the deformation of the reset spring 504 to clamp the clamping rod 502 into the corresponding clamping groove 401, so that the extension rod 4 can be fixed, then according to the above steps, adjust the other three extension rods 4 in turn, so that the range of the bottom support of the engineering ladder body 1 increases, so that the bottom of the engineering ladder body 1 can be stably supported, at the same time, two supporting rods 9 are additionally arranged to pull the middle part of the engineering ladder body 1, further improve the stability of the overall structure of the engineering ladder body 1, effectively avoid the phenomenon that the ladder body shakes when the staff goes up and down the ladder, finally, use the leveling mechanism one 6 and the leveling mechanism two 7 to level the bottom of the engineering ladder body 1, so as to ensure that the whole is in a stable state, so that the engineering ladder body 1 can avoid the phenomenon that the center of gravity deviates and causes the ladder body to shake or fall during use, greatly improve the stability and safety of the use of the engineering ladder body 1.

[0043] Finally, it should be noted that in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0044] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "set", "install", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] The above is only the preferred specific embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled in the art can make equivalent replacement or change according to the technical scheme of the present application and the improvement concept, which should be covered in the protection scope of the present application.

Claims

1. A safety device against overturning of a safety engineering ladder, comprising two mounting brackets (2) fixedly mounted on the main body (1) of the engineering ladder, characterized in that: Both ends of the mounting frame (2) are rotatably connected with sleeve pipes (3) through pins, the inside of the sleeve pipe (3) is provided with an extension rod (4), the periphery of the sleeve pipe (3) is provided with a clamping assembly (5), the extension rod (4) is fixed with the sleeve pipe (3) through the clamping assembly (5), the bottom of the mounting frame (2) is provided with a leveling mechanism one (6), the end of the extension rod (4) away from the sleeve pipe (3) is provided with a leveling mechanism two (7), the leveling mechanism one (6) and the leveling mechanism two (7) are the same in structure.

2. A tip over prevention safety device for a safety ladder according to claim 1 and wherein: The leveling mechanism one (6) comprises a threaded sleeve (601) fixed to the bottom of the mounting frame (2), the inside of the threaded sleeve (601) is threadedly connected with an adjusting threaded rod (602), the top end of the adjusting threaded rod (602) is fixedly connected with a rocking disc (603), and the bottom end of the adjusting threaded rod (602) is fixedly connected with a supporting seat (604).

3. A tip over prevention safety device for a safety ladder according to claim 1 wherein: The clamping assembly (5) comprises a mounting block (501) fixed to one side of the sleeve pipe (3), two clamping rods (502) are arranged on one side of the mounting block (501), one end of the clamping rod (502) penetrates through the mounting block (501) and is clamped and connected with the corresponding extension rod (4), a handle (503) is fixedly connected between the other ends of the two clamping rods (502), and the clamping rod (502) is sleeved with a reset spring (504) on the periphery.

4. A tip over prevention safety device for a safety ladder according to claim 3 wherein: The reset spring (504) is located between the mounting block (501) and the handle (503) and is fixedly connected with the mounting block (501) and the handle (503) at both ends.

5. A tip over prevention safety device for a safety ladder according to claim 1 wherein: The side of the extension rod (4) close to the clamping rod (502) is provided with a plurality of equidistantly distributed clamping grooves (401), and the end of the clamping rod (502) is clamped in the corresponding clamping groove (401).

6. A tip over prevention safety device for a safety ladder according to claim 1, wherein: Both sides of the two mounting frames (2) close to each other are fixedly connected with mounting seats (8), and two supporting rods (9) are detachably connected between the two mounting seats (8).

7. A tip over prevention safety device for a safety ladders according to claim 6 wherein: Two insertion holes are formed in the mounting seat (8), and the two ends of the supporting rod (9) are in the form of a hook structure and are inserted into the corresponding insertion holes, respectively.

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