Overturning plate switch protection mechanism of aerial work platform

Abstract

The utility model discloses an aerial work platform flap switch protection mechanism which comprises a limit switch arranged on an aerial work platform base and further comprises a protection cover installed on the aerial work platform base and used for covering the limit switch, the protection cover is of a U-shaped groove structure, a connecting plate is arranged at the position of an opening in one side of the protection cover, and the limiting switch is arranged on the protective cover. The connecting plate is installed on the aerial work platform base through a connecting mechanism. The protective cover covers the limit switch to form an effective protective cover, so that external sputtering and impact are avoided, and the stability of the limit switch is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial work platforms, in particular to a flap switch protection mechanism for aerial work platforms. Background Art

[0002] Aerial work platform is a kind of lifting machinery for vertically transporting people or objects. It also refers to the equipment for vertical transportation in logistics systems such as factories and automatic warehouses. The working height space is also changed. It has the characteristics of light weight, self-propelled, electric start, self-supporting legs, simple operation and large working area.

[0003] There are flaps on both sides of the aerial work platform base, and the flipping of the flaps is controlled by the angle defined by the limit switch. The traditional limit switch is fixed with two screws. After long-term use, the flaps may tilt the limit switch, and during driving, it may be impacted by external forces such as pebbles, which may affect the performance of the limit switch. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and provide a flap switch protection mechanism for an aerial work platform, which avoids external splashing and impact, improves the stability of the limit switch, and can fix the limit switch through a special structure to prevent it from rotating left and right during use.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A flap switch protection mechanism for an aerial work platform comprises a limit switch arranged on a base of the aerial work platform, and also comprises a protective cover installed on the base of the aerial work platform for covering the limit switch, wherein the protective cover is a U-shaped groove structure, and a connecting plate is provided at an opening position on one side of the protective cover, and the connecting plate is installed on the base of the aerial work platform through a connecting mechanism.

[0007] Furthermore, the connecting mechanism includes connecting screws.

[0008] Furthermore, the connecting mechanism includes a fixed sleeve installed on the base of the aerial work platform, a groove is provided on the inner wall of the fixed sleeve, a positioning head sliding in the groove is provided in the groove, a positioning groove cooperating with the positioning head is provided on the connecting plate, a sliding rod is provided on the positioning head, the sliding rod passes through the fixed sleeve, a compression spring is provided on the sliding rod, one end of the compression spring contacts the positioning head, and the other end of the compression spring contacts the inner wall of the groove.

[0009] Furthermore, the rear side surface of the positioning head is provided with an inclined slope.

[0010] Furthermore, a positioning mechanism for positioning a limit switch is provided at a corner position of the protective cover.

[0011] Furthermore, the positioning mechanism includes a pad block arranged at a corner position of the protective cover, and the pad block is installed on the inner wall of the protective cover by means of a countersunk screw.

[0012] Furthermore, the positioning mechanism includes a clamping screw arranged at a corner position of the protective cover.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model includes a limit switch arranged on the base of the aerial work platform, and also includes a protective cover installed on the base of the aerial work platform for covering the limit switch, the protective cover is a U-shaped groove structure, a connecting plate is provided at an opening position on one side of the protective cover, and the connecting plate is installed on the base of the aerial work platform through a connecting mechanism. The protective cover covers the limit switch to form an effective shield, which avoids external splashing and impact and improves the stability of the limit switch.

[0015] 2. The positioning mechanism in the utility model includes a pad disposed at the corner of the protective cover, and the pad is mounted on the inner wall of the protective cover by a countersunk screw. The limit switch is fixed by the pad to prevent it from rotating left and right during use. Setting different numbers of pads can adapt to different gaps and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a schematic diagram of the working state structure of the utility model;

[0018] Figure 2 This is a top view of the first embodiment of the utility model;

[0019] Figure 3 This is a top view of the second embodiment of the utility model;

[0020] Figure 4 This is a top view of the third embodiment of the present utility model.

[0021] In the figure: limit switch 1, protective cover 2, connecting plate 3, connecting screw 4, fixing sleeve 5, groove 6, positioning head 7, positioning groove 8, sliding rod 9, compression spring 10, cushion block 11, clamping screw 12. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solutions in the present invention, 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 described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0023] Embodiment 1:

[0024] like Figure 1 and Figure 2 As shown, a flap switch protection mechanism for an aerial work platform includes a limit switch 1 arranged on the base of the aerial work platform, and also includes a protective cover 2 installed on the base of the aerial work platform for covering the limit switch 1, the protective cover 2 is a U-shaped groove structure, and a connecting plate 3 is provided at an opening position on one side of the protective cover 2, and the connecting plate 3 is installed on the base of the aerial work platform through a connecting mechanism. The protective cover 2 covers the limit switch 1 to form an effective protective cover, which avoids external splashing and impact and improves the stability of the limit switch.

[0025] like Figure 2 As shown, the connection mechanism includes a connection screw 4, and a connection hole is provided on the connection plate 3. The connection hole is elliptical, and the connection screw 4 passes through the connection hole to fix the protective cover 2 on the base of the aerial work platform.

[0026] like Figure 2 As shown, a positioning mechanism for positioning the limit switch 1 is provided at the corner of the protective cover 2. The positioning mechanism includes a pad 11 provided at the corner of the protective cover 2, and the pad 11 is installed on the inner wall of the protective cover 2 by a countersunk screw. The limit switch is fixed by the pad 11 to prevent it from rotating left and right during use. Setting different numbers of pads 11 can adapt to different gaps and has a wide range of applications.

[0027] Embodiment 2:

[0028] like Figure 3As shown, the connection mechanism includes a fixing sleeve 5 installed on the base of the aerial work platform, a groove 6 is provided on the inner wall of the fixing sleeve 5, a positioning head 7 sliding in the groove 6 is provided in the groove 6, a positioning groove 8 cooperating with the positioning head 7 is provided on the connecting plate 3, a slide bar 9 is provided on the positioning head 7, the slide bar 9 passes through the fixing sleeve 5, a compression spring 10 is provided on the slide bar 9, one end of the compression spring 10 contacts the positioning head 7, and the other end of the compression spring 10 contacts the inner wall of the groove 6. When installing the protective cover 2, the connecting plate 3 is inserted into the fixing sleeve 5, and the positioning head 7 cooperates with the positioning groove 8 under the action of the elastic force of the compression spring 10, thereby realizing the installation of the protective cover 2.

[0029] The rear side of the positioning head 7 is provided with an inclined slope. When the connecting plate 3 is inserted into the fixing sleeve 5, under the action of the inclined surface of the positioning head 7, the positioning head 7 overcomes the elastic force of the compression spring 10 and retracts, making it convenient to insert the connecting plate 3 into the fixing sleeve 5.

[0030] Embodiment three:

[0031] like Figure 4 As shown, the positioning mechanism includes a clamping screw 12 arranged at the corner position of the protective cover 2. A threaded hole is provided at the corner position of the protective cover 2. The clamping screw 12 passes through the threaded hole and is threadedly connected with the threaded hole. The clamping screw 12 is rotated to press the corner position of the limit switch 1, thereby realizing the positioning of the limit switch 1.

[0032] In the description of the present invention, it should be noted that the terms "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A flap switch protection mechanism for an aerial work platform, comprising a limit switch (1) arranged on a base of the aerial work platform, It is characterized in that It also includes a protective cover (2) mounted on the base of the aerial work platform and used to cover the limit switch (1); the protective cover (2) is a U-shaped groove structure; a connecting plate (3) is provided at an opening position on one side of the protective cover (2); and the connecting plate (3) is mounted on the base of the aerial work platform via a connecting mechanism.

2. A flap switch protection mechanism for an aerial work platform as claimed in claim 1, It is characterized in that The connecting mechanism comprises a connecting screw (4).

3. A flap switch protection mechanism for an aerial work platform as claimed in claim 1, It is characterized in that The connecting mechanism comprises a fixing sleeve (5) mounted on the base of the aerial work platform, a groove (6) is provided on the inner wall of the fixing sleeve (5), a positioning head (7) sliding in the groove (6) is provided in the groove (6), a positioning groove (8) cooperating with the positioning head (7) is provided on the connecting plate (3), a sliding rod (9) is provided on the positioning head (7), the sliding rod (9) passes through the fixing sleeve (5), and a compression spring (10) is provided on the sliding rod (9), one end of the compression spring (10) contacts the positioning head (7), and the other end of the compression spring (10) contacts the inner wall of the groove (6).

4. A flap switch protection mechanism for an aerial work platform as claimed in claim 3, It is characterized in that The rear side surface of the positioning head (7) is provided with an inclined slope.

5. A flap switch protection mechanism for an aerial work platform as claimed in claim 1, It is characterized in that A positioning mechanism for positioning the limit switch (1) is provided at a corner position of the protective cover (2).

6. A flap switch protection mechanism for an aerial work platform as claimed in claim 5, It is characterized in that The positioning mechanism comprises a pad (11) arranged at a corner position of the protective cover (2), and the pad (11) is mounted on the inner wall of the protective cover (2) by means of a countersunk screw.

7. A flap switch protection mechanism for an aerial work platform as claimed in claim 5, It is characterized in that The positioning mechanism comprises a clamping screw (12) arranged at a corner position of the protective cover (2).

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