Extension support for aloft work

Abstract

The extension support comprises a main rod body and an extension rod body, the main rod body is of a hollow structure, the extension rod body is movably inserted into the main rod body, the main rod body is provided with a telescopic driving mechanism, the telescopic driving mechanism is in transmission connection with the bottom of the extension rod body, and the top of the extension rod body is provided with a tool platform. The extension rod body has the telescopic motion function, the requirement for increasing the lifting height of the tool can be met, the tool platform has the pitch angle adjusting function and the rotation angle adjusting function, the requirement for the tool to make contact with the lightning arresting rod at the high-altitude position can be met, a plurality of components of the tool platform are detachably designed, and the tool platform is convenient to use. Therefore, storage, transportation and carrying are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to lightning protection detection technical field more particularly, relate to a kind of extension support for aerial work. BACKGROUND

[0002] Building lightning protection equipment includes external lightning protection device and internal lightning protection device, external lightning protection device includes lightning arrester, down conductor, grounding device etc., internal lightning protection device includes various levels of surge protection device (SPD), the equipotential bonding of indoor electronic equipment etc., for building lightning protection equipment needs to be detected periodically, to determine the effectiveness of lightning protection equipment.

[0003] Lightning rod, commonly known as lightning rod, is an important kind of lightning arrester in building external lightning protection device, the detection of lightning rod will adopt contact type detection, that is, through the detection tool of special detection instrument to contact lightning rod, to measure lightning rod lightning protection data (mainly resistance data), lightning rod will be installed on the top of building, in view of personnel safety protection, detection personnel generally will not be allowed to climb to the vicinity of lightning rod directly detection, so detection personnel need to work by extension equipment to approach the vicinity of lightning rod, existing special detection instrument is not matched with special extension equipment, in view of work demand, detection enterprise needs to design a kind of extension equipment to cooperate with instrument, the case is thus born. SUMMARY

[0004] The utility model aims at solving the demand of above-mentioned prior art, provide a kind of extension support for aerial work, the extension rod body of the utility model has telescopic movement function, can satisfy the demand of extension tool height promotion, the tool platform of the utility model has the function of pitch angle adjustable and rotation angle adjustable, can satisfy the demand that tool contacts lightning rod in high altitude position.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of extension support for aerial work, including main rod body and extension rod body, the main rod body adopts hollow structure, the extension rod body is movably inserted in main rod body, the main rod body is installed with telescopic drive mechanism, the telescopic drive mechanism is drivingly connected with the bottom of extension rod body, the top of extension rod body is installed with tool platform.

[0007] Further, the extension rod body includes drive seat and roof beam seat, the drive seat is movably installed in main rod body, the tool platform is installed on roof beam seat, a plurality of struts are connected between the drive seat and roof beam seat, the main rod body top is installed with limit beam, the limit beam does not close the top open mouth of main rod body, the struts are installed avoiding limit beam.

[0008] Further, two guide rails are symmetrically arranged inside the main rod body, the driving seat is slidably arranged on the two guide rails, the telescopic driving mechanism comprises a case and a screw rod, the case is connected to the bottom of the main rod body, a motor is arranged in the case, the screw rod is rotatably arranged in the main rod body, one end of the screw rod is connected to a limiting beam, and the other end of the screw rod is connected to the case, and the driving seat is threadedly arranged on the screw rod.

[0009] Further, the tool platform is rotatably arranged on the roof beam seat, and an inclination angle adjusting mechanism is arranged on the roof beam seat and is in transmission connection with the tool platform.

[0010] Further, the tool platform is rotatably arranged on the roof beam seat, and an inclination angle adjusting mechanism is arranged on the roof beam seat and is in transmission connection with the tool platform.

[0011] Further, the tool platform is rotatably arranged on the roof beam seat, and an inclination angle adjusting mechanism is arranged on the roof beam seat and is in transmission connection with the tool platform.

[0012] Further, the tool platform is rotatably arranged on the roof beam seat, and an inclination angle adjusting mechanism is arranged on the roof beam seat and is in transmission connection with the tool platform.

[0013] The utility model discloses a telescopic rod body and a tool platform are arranged on the telescopic rod body, and the tool platform is arranged on the top of the telescopic rod body.

[0014] 1. The utility model discloses a tool platform is installed on the top of the extension rod body, and the extension rod body can make telescopic motion relative to the main rod body, which can prolong the lifting height of the tool and meet the operation demand of high position.

[0015] 2. The utility model discloses that the tool platform is designed as the structure that the inclination angle is adjustable, and the main rod body and the extension rod body are designed as the structure that the rotation angle is adjustable, which can realize the demand that the tool approaches the contact lightning rod.

[0016] 3. The utility model discloses that a plurality of components have detachable design, so as to facilitate storage and transportation and carrying. DRAWINGS

[0017] Figure 1This is a front view schematic diagram of an extension support for high-altitude operations in this embodiment;

[0018] Figure 2 This is a cross-sectional view of the connection structure between the main rod and the extension rod in this embodiment;

[0019] Figure 3 This is a top view of the top position of the main rod in this embodiment;

[0020] Figure 4 This is a schematic diagram of the installation of the pitch angle adjustment mechanism in this embodiment.

[0021] Reference numerals: Main rod 1, Limiting beam 11, Guide rail 12, Bottom shaft 13, Handle seat 14, Rotation assist handle 15, Extension rod 2, Tool platform 21, Rotating head 211, Transmission gear ring 212, Drive seat 22, Support column 23, Top beam seat 24, Telescopic drive mechanism 3, Housing 31, Motor 32, Screw 33, Pitch angle adjustment mechanism 4, Adjusting rod 41, Rotating head 42, Drive gear 43, Locking screw 44, Friction disc 45, Rod support 5, Rotating head 51, Positioning screw 511, Traveling wheel 52. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-4 The extended support for high-altitude operations shown includes a main pole 1 and an extension pole 2. The main pole 1 has a hollow structure, and the extension pole 2 is movably inserted into the main pole 1. The main pole 1 is equipped with a telescopic drive mechanism 3, which is connected to the bottom of the extension pole 2. The telescopic drive mechanism 3 can drive the extension pole 2 to move, that is, to telescopically move relative to the main pole 1. A tool platform 21 is installed on the top of the extension pole 2. The tool platform 21 is used to fix and install the tool for detecting the lightning rod. By telescopically extending the extension pole 2, the lifting height of the detection tool can be adjusted so that it can be raised to the position of the lightning rod at high altitude. The main pole 1 and the extension pole 2 are a whole, and the detection personnel can hold and raise the tool for operation, which is very convenient (although the detection personnel cannot reach the position of the lightning rod, they can reach the platform closest to the lightning rod. At this time, the required tool extension length is not too long, and this utility model can fully meet the usage requirements).

[0024] like Figure 2As shown, the extension rod body 2 includes a driving seat 22 and a top beam seat 24, the driving seat 22 is movably installed in the main rod body 1, the tool platform 21 is installed on the top beam seat 24, a plurality of struts 23 are connected between the driving seat 22 and the top beam seat 24, the driving seat 22 can move along the length direction of the main rod body 1, so that the telescopic movement effect of the extension rod body 2 can be realized, the main rod body 1 is provided with a limiting beam 11 at the top, as shown in the figure Figure 3 As shown, the limiting beam 11 does not close the top opening of the main rod body 1, the limiting beam 11 is provided with a strut 23 movement space on both sides, and the strut 23 is installed away from the limiting beam 11. The extension rod body 2 of the utility model adopts a hollow structure design, which can reduce the weight and solve the movement interference without affecting the telescopic movement of the extension rod body 2.

[0025] As shown in the figure Figure 2 As shown, two guide rails 12 are symmetrically installed in the main rod body 1, the driving seat 22 is slidably matched with the two guide rails 12, the guide rails 12 play a guiding role for the movement of the driving seat 22, so that the driving seat 22 can only move along the length direction of the guide rails 12, that is, along the length direction of the main rod body 1, the telescopic drive mechanism 3 includes a case 31 and a screw rod 33, the case 31 is connected to the bottom of the main rod body 1, the case 31 is provided with a motor 32, the screw rod 33 is rotatably installed in the main rod body 1, one end of the screw rod 33 is connected to the limiting beam 11, the other end is connected to the case 31, the driving seat 22 is threadedly installed on the screw rod 33, the motor 32 can drive the screw rod 33 to rotate, the screw rod 33 can drive the driving seat 22 to move after rotating, so that the extension rod body 2 can make telescopic movement along the length direction of the main rod body 1. The motor 32 of the utility model adopts a micro motor, which is powered by a battery and remotely controlled to start and stop, so that the detection personnel can more conveniently operate the telescopic movement of the extension rod body 2.

[0026] As shown in the figure Figure 1 As shown, the tool platform 21 is rotatably installed on the top beam seat 24, the top beam seat 24 is provided with a pitch angle adjusting mechanism 4, the pitch angle adjusting mechanism 4 is in transmission connection with the tool platform 21, and the pitch angle of the tool platform 21 can be adjusted through the pitch angle adjusting mechanism 4. This design will be more conducive to the high-lift detection tool to touch the flash rod, as shown in the figure Figure 4As shown, the tool platform 21 is mounted with a rotating head 211 at the bottom, the tool platform 21 is rotatably mounted on the top beam seat 24 through the rotating head 211, the outer wall of the rotating head 211 is connected with a transmission gear ring 212, the pitch angle adjusting mechanism 4 comprises an adjusting rod 41 and a locking screw 44, the adjusting rod 41 is rotatably mounted on the top beam seat 24, one end of the adjusting rod 41 is connected with a rotating head 42, the other end is connected with a driving gear 43, the driving gear 43 is engaged with the transmission gear ring 212, and the rotating head 42 is twisted to drive the rotation of the adjusting rod 41 and the driving gear 43, then the rotation of the rotating head 211 and the tool platform 21 is driven through the meshing relationship between the driving gear 43 and the transmission gear ring 212, the tool platform 21 can be adjusted in the pitch angle of the detection tool mounted thereon after being rotated, and the angle needs to be locked after the angle adjustment is completed, the utility model designs the locking screw 44 to solve the angle locking problem, the locking screw 44 is threadedly mounted on the top beam seat 24, one end of the locking screw 44 is connected with a friction disc 45, the friction disc 45 is mounted towards the side wall direction of the driving gear 43, the locking screw 44 is twisted to drive the friction disc 45 to move towards the side wall direction of the driving gear 43, the friction disc 45 is in contact with the side wall of the driving gear 43 to form a friction braking effect, the driving gear 43 can no longer rotate through the friction force, so that the angle position is locked, the side wall of the driving gear 43 in contact with the friction disc 45 should have a relatively rough friction surface, the pitch angle adjustment of the tool platform 21 is carried out on the ground position, the angle is locked after the adjustment is completed, and then the detection tool is extended and lifted.

[0027] As mentioned above, the main rod body 1 and the extension rod body 2 can be held and lifted as a whole, but this operation often needs to be matched with multiple people, and the lifting time cannot be too long due to human power, in order to more labor-saving and convenient, the extension device is operated, such as Figure 1 As shown, the utility model also designs a pole body support 5, a plurality of walking wheels 52 are mounted at the bottom of the pole body support 5, so that the pole body support 5 can move freely on the standing platform, a rotary head 51 is rotatably mounted on the upper end surface of the pole body support 5, a bottom shaft 13 is fixedly connected to the bottom surface of the machine box 31, the bottom shaft 13 is designed in a polygonal cross section, the bottom shaft 13 is matched and inserted into the rotary head 51, a positioning screw 511 is mounted on the rotary head 51, and the bottom shaft 13 can be locked through the positioning screw 511, the main rod body 1 is vertically inserted into the rotary head 51 of the pole body support 5, the pole body support 5 functions as a bottom support, the staff no longer needs to hold and lift, but can use the support moving operation mode to detect, first, the pole body support 5 can move, so it can be moved to the lower side of the close contact rod, since the main rod body 1 is mounted on the rotary head 51 which can rotate, the detection tool at the top can realize the angle change in the horizontal direction after the main rod body 1 is rotated, so that it rotates to the close contact rod, the detection tool is provided with a visual device, the contact angle is adjusted through the visual image, in order to facilitate the operation of the rotary angle change,Figure 1 As shown, the utility model discloses two handle seats 14 are installed on the outer wall symmetry of main rod body 1, and one rotary power handle 15 is fixedly connected on each handle seat 14, and the rotation of main rod body 1 can be easily driven by rotating rotary power handle 15, so that the operation of the detection personnel is more convenient, and after using rod body support 5 and rotary power handle 15, single detection personnel can also complete the detection operation.

[0028] In the utility model, main rod body 1 and rod body support 5, rotary power handle 15 and handle seat 14 all adopt detachable connection, so can be split into multiple parts, and convenient storage and transportation, when storing, extension rod 2 must be limited to contract in main rod body 1, so that not only reduce the storage space, but also can protect extension rod 2 through main rod body 1.

[0029] The preferred embodiments of the utility model are described above, and the protection scope of the utility model is not only limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.

Claims

1. An extension support for high-altitude operations, characterized in that, It includes a main rod (1) and an extension rod (2). The main rod (1) has a hollow structure. The extension rod (2) is movably inserted into the main rod (1). The main rod (1) is equipped with a telescopic drive mechanism (3). The telescopic drive mechanism (3) is connected to the bottom of the extension rod (2). The top of the extension rod (2) is equipped with a tool platform (21).

2. The extension support for high-altitude operations according to claim 1, characterized in that, The extension rod (2) includes a drive seat (22) and a top beam seat (24). The drive seat (22) is movably installed inside the main rod (1). The tool platform (21) is installed on the top beam seat (24). Several support columns (23) are connected between the drive seat (22) and the top beam seat (24). A limiting beam (11) is installed on the top of the main rod (1). The limiting beam (11) does not close the top opening of the main rod (1). The support columns (23) are installed away from the limiting beam (11).

3. The extension support for high-altitude operations according to claim 2, characterized in that, The main rod (1) has two guide rails (12) symmetrically installed inside. The drive seat (22) is slidably mounted on the two guide rails (12). The telescopic drive mechanism (3) includes a housing (31) and a screw (33). The housing (31) is connected to the bottom of the main rod (1). A motor (32) is installed inside the housing (31). The screw (33) is rotatably installed inside the main rod (1). One end of the screw (33) is connected to the limiting beam (11), and the other end is connected to the housing (31). The drive seat (22) is threaded onto the screw (33).

4. The extension support for high-altitude operations according to claim 2, characterized in that, The tool platform (21) is rotatably mounted on the top beam seat (24), and the top beam seat (24) is equipped with a pitch angle adjustment mechanism (4), which is connected to the tool platform (21) in a transmission manner.

5. The extension bracket for high-altitude operations according to claim 4, characterized in that, The tool platform (21) is equipped with a rotating head (211) at its bottom. The tool platform (21) is rotatably mounted on the top beam seat (24) via the rotating head (211). A transmission gear ring (212) is connected to the outer wall of the rotating head (211). The pitch angle adjustment mechanism (4) includes an adjusting rod (41) and a locking screw (44). The adjusting rod (41) is rotatably mounted on the top beam seat (24). One end of the adjusting rod (41) is connected to an adjusting head (42), and the other end is connected to a drive gear (43). The drive gear (43) meshes with the transmission gear ring (212). The locking screw (44) is threaded onto the top beam seat (24). One end of the locking screw (44) is connected to a friction disc (45). The friction disc (45) is mounted toward the side wall of the drive gear (43). The friction disc (45) contacts the side wall of the drive gear (43) to form a friction braking effect.

6. The extension support for high-altitude operations according to claim 3, characterized in that, It also includes a rod support (5), on which a number of traveling wheels (52) are installed at the bottom. A rotary head (51) is rotatably installed on the upper surface of the rod support (5). A bottom shaft (13) is fixedly connected to the bottom surface of the chassis (31). The bottom shaft (13) adopts a polygonal cross-section design. The bottom shaft (13) is matched and inserted into the rotary head (51). A positioning screw (511) is installed on the rotary head (51). The bottom shaft (13) can be locked by the positioning screw (511).

7. The extension support for high-altitude operations according to claim 1, characterized in that, Two handle seats (14) are symmetrically installed on the outer wall of the main rod body (1), and a rotary assist handle (15) is fixedly connected to each handle seat (14).

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