Folding arm support

Abstract

The utility model provides a folding arm support, which relates to the technical field of arm supports and comprises an arm support body which is arranged on the ground to serve as an integral supporting framework. The rotating motor is arranged at the joint of the arm support body, and the rotating motor drives the arm support body to rotate with the joint shaft as the center; the winch is arranged on the boom body, and the winch is in transmission with the lifting hook by winding and unwinding a lifting rope; the lubricating assembly is arranged on the side, close to the joint shaft, of the arm support body, so that a worker can convey lubricating oil to the joint shaft in the operation process of the arm support body, and the situation that the friction force between the joint shaft and the arm support is increased due to the fact that the lubricating oil is lost in the operation process of the joint shaft and the arm support is reduced; and noise is easily generated, so that the using effect and the service life of the joint shaft are influenced, and the lubricating convenience and efficiency of the joint shaft are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of arm support, especially a folding arm support. BACKGROUND

[0002] The folding arm support is a mechanical structure that realizes the folding storage of multiple arm segments through a hinge or a hydraulic mechanism, and is widely used in the fields of hoisting equipment, aerial work platforms and the like.

[0003] The existing folding arm support is mostly driven by a rotating motor to rotate the arm support around the joint shaft as the center to realize the horizontal rotation and folding storage of the arm support, and then a winch is used to wind the lifting rope to make the lifting rope drive the lifting hook to move to lift the object while being wound.

[0004] However, the joint shaft will rub against the arm support during rotation, and the consumption speed of lubricating oil is relatively fast, which may cause the lack of lubricating oil during the operation of the joint shaft and the arm support, increase the friction between the joint shaft and the arm support, and easily generate noise, affecting the use effect and service life of the joint shaft. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems that the joint shaft will rub against the arm support during rotation, and the consumption speed of lubricating oil is relatively fast, which may cause the lack of lubricating oil during the operation of the joint shaft and the arm support, increase the friction between the joint shaft and the arm support, and easily generate noise, affecting the use effect and service life of the joint shaft.

[0006] The utility model solves the technical problems by adopting the following technical scheme: a folding arm support, comprising: an arm support body, which is placed on the ground as a whole support structure; a rotating motor, which is arranged at the joint of the arm support body, wherein the rotating motor drives the arm support body to rotate around the joint shaft as the center; a winch, which is arranged on the arm support body, wherein the winch is in transmission with the lifting hook through the winding and unwinding of the lifting rope; and a lubricating assembly, which is arranged on one side of the arm support body close to the joint shaft, wherein the lubricating assembly can spray lubricating oil to the joint shaft to provide lubrication.

[0007] Preferably, the lubricating assembly comprises: a storage box, which is detachably installed on one side of the arm support body close to the joint shaft through a mounting assembly; a threaded pipe, which is fixedly connected to the top of the storage box and used for adding lubricating oil to the inside of the storage box, wherein the surface of the threaded pipe is threadedly connected with a sealing cover; a piston plate, wherein the piston plate is slidingly installed in the inside of the storage box, and the piston plate is driven by an electric telescopic rod; and a nozzle, wherein the nozzle is fixedly connected to the storage box through a pipeline, and the nozzle is arranged close to the joint shaft.

[0008] The effect achieved by the above-mentioned components is that: by arranging the lubricating assembly, first, the lubricating oil is poured into the storage box through the threaded pipe, and the threaded pipe is closed by the sealing cover; when the joint shaft needs to be lubricated, the electric telescopic rod moves the piston plate along the inside of the storage box to the side close to the pipeline, so that the piston plate pushes the lubricating oil in the storage box into the pipeline, the lubricating oil enters the nozzle through the pipeline, and the lubricating oil is sprayed out through the pores on the nozzle under the action of pressure and sprayed on the surface of the joint shaft, so that the lubricating oil flows into the gap between the joint shaft and the arm support body, thereby achieving rapid lubrication of the joint shaft, reducing the lack of lubricating oil in the operation of the joint shaft and the arm support, increasing the friction between the joint shaft and the arm support, and easily causing noise, affecting the use effect and service life of the joint shaft, and improving the lubrication convenience and efficiency of the joint shaft.

[0009] Preferably, the lubricating assembly further comprises a sleeve rod, the sleeve rod is fixedly connected to the storage box, and the sleeve rod wraps the side of the pipeline close to the nozzle.

[0010] The effect achieved by the above-mentioned components is that: by arranging the sleeve rod, the side of the pipeline close to the nozzle can be limited, and the shaking of the pipeline during use is reduced.

[0011] Preferably, the lubricating assembly further comprises a window, the window is fixedly connected to the inner wall of the storage box, and the window is made of transparent plate material.

[0012] The effect achieved by the above-mentioned components is that: by arranging the window, personnel can check the storage condition of the lubricating liquid in the storage box through the window, and the lubricating oil remaining condition is convenient to calculate.

[0013] Preferably, the lubricating assembly further comprises a rubber block, and the rubber blocks are uniformly fixedly connected to the surface of the sealing cover.

[0014] The effect achieved by the above-mentioned components is that: by arranging the rubber block, the friction between the surface of the sealing cover and the hand is increased, and the hand slip phenomenon during manual rotation of the sealing cover is reduced.

[0015] Preferably, the lubricating assembly further comprises a filter plate, and the filter plate is clamped and fixed in the threaded pipe through the engagement of the convex blocks and the grooves arranged on the threaded groove.

[0016] The effect achieved by the above-mentioned components is that: by arranging the filter plate, the filter plate can be clamped and fixed in the threaded pipe to filter the lubricating oil poured into the storage box, and reduce the accumulation of impurities in the lubricating oil in the storage box.

[0017] Preferably, the mounting assembly comprises: a card seat fixedly connected to the arm body, wherein an inner wall of the card seat is threadedly connected with a bolt; and a round hole plate fixedly connected to the collecting box, wherein the round hole plate is arranged inside the card seat and fixed by the bolt.

[0018] The effect achieved by the above components is that: by arranging the mounting assembly, the storage box is first manually moved to drive the round hole plate to move, when the round hole plate moves to a position fully inserted into the card seat, the storage box is attached to the surface of the card seat, so that the inner wall of the round hole plate coincides with the inner wall of the hole arranged on the card seat, at this time, the bolt is screwed into the card seat and the round hole plate by a tool to fix the round hole plate and the storage box, so as to achieve the assembly and fixation between the lubricating assembly and the arm body, and meanwhile, the lubricating assembly can be freely disassembled and assembled, thereby improving the use flexibility and maintenance convenience of the lubricating assembly.

[0019] Preferably, the mounting assembly further comprises: a supporting block, wherein the supporting block is fixedly connected between the card seat and the arm body.

[0020] The effect achieved by the above components is that: by arranging the supporting block, the connection strength between the card seat and the arm body can be increased, and the situation that the card seat shakes or separates from the arm body during use can be reduced.

[0021] The beneficial effects of the utility model are:

[0022] By arranging the lubricating assembly, the personnel can deliver lubricating oil to the joint shaft during the operation of the arm body, so as to reduce the lack of lubricating oil during the operation of the joint shaft and the arm, increase the friction between the joint shaft and the arm, easily cause noise, and affect the use effect and service life of the joint shaft, thereby improving the lubricating convenience and efficiency of the joint shaft. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model will be further described in connection with the drawings and embodiments.

[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0025] Figure 2 It is a partial sectional view of the storage box of the utility model;

[0026] Figure 3 It is a three-dimensional structure schematic view of the filter plate of the utility model;

[0027] Figure 4 It is a three-dimensional structure schematic view of the card seat of the utility model.

[0028] Legend: 1, arm body; 2, joint shaft; 3, rotating motor; 4, winch; 5, lifting hook; 6, lubricating assembly; 61, storage box; 62, threaded pipe; 63, sealing cover; 64, electric telescopic rod; 65, piston plate; 66, pipeline; 67, nozzle; 68, sleeve rod; 69, window; 610, rubber block; 611, filter plate; 7, mounting assembly; 71, clamping seat; 72, bolt; 73, support block; 74, round hole plate. DETAILED DESCRIPTION

[0029] The utility model will be explained in further detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the relevant components of the utility model.

[0030] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" 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 it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Figures 1-4 The utility model discloses a kind of folding arm supports, comprising: arm body 1, arm body 1 is placed on ground as the support frame of whole;Rotating motor 3, rotating motor 3 is arranged at the joint of arm body 1, wherein rotating motor 3 drives arm body 1 to rotate around joint shaft 2 as center;Winch 4, winch 4 is arranged on arm body 1, wherein winch 4 is driven with lifting hook 5 by winding and unwinding lifting rope;Lubricating assembly 6, lubricating assembly 6 is arranged on the side of arm body 1 close to joint shaft 2, wherein lubricating assembly 6 can spray lubricating oil to joint shaft 2 to provide lubricating treatment for it.

[0032] Figure 2 And Figure 3The shown lubricating assembly 6 comprises: a storage box 61, which is detachably mounted on one side of the arm body 1 close to the joint shaft 2 through the mounting assembly 7; a threaded pipe 62, which is fixedly connected to the top of the storage box 61 and used for adding lubricating oil into the inside of the storage box 61, wherein the surface of the threaded pipe 62 is threadedly connected with a sealing cover 63; a piston plate 65, which is slidingly installed inside the storage box 61 and driven by an electric telescopic rod 64; and a nozzle 67, which is fixedly connected to the storage box 61 through a pipeline 66 and placed close to the joint shaft 2. By arranging the lubricating assembly 6, first, the lubricating oil is poured into the inside of the storage box 61 through the threaded pipe 62, and the threaded pipe 62 is closed by the sealing cover 63. When the joint shaft 2 needs to be lubricated, the electric telescopic rod 64 moves the piston plate 65 along the inside of the storage box 61 towards the pipeline 66, so that the piston plate 65 pushes the lubricating oil in the inside of the storage box 61 into the pipeline 66 during the movement, and the lubricating oil enters the inside of the nozzle 67 through the pipeline 66, so that the lubricating oil is sprayed out through the apertures on the nozzle 67 under the action of pressure and sprayed on the surface of the joint shaft 2, so that the lubricating oil flows into the gap between the joint shaft 2 and the arm body 1, thereby achieving rapid lubrication of the joint shaft 2, reducing the lack of lubricating oil during the operation of the joint shaft 2 and the arm, increasing the friction between the joint shaft 2 and the arm, and easily causing noise, affecting the use effect and service life of the joint shaft 2, and improving the lubrication convenience and efficiency of the joint shaft 2.

[0033] Figure 2 and Figure 3 The shown lubricating assembly 6 further comprises: a sleeve rod 68, which is fixedly connected to the storage box 61 and wraps the side of the pipeline 66 close to the nozzle 67. By arranging the sleeve rod 68, the side of the pipeline 66 close to the nozzle 67 can be limited, and the shaking of the pipeline 66 during use is reduced. The lubricating assembly 6 further comprises: a window 69, which is fixedly connected to the inside wall of the storage box 61 and made of transparent plate material. By arranging the window 69, personnel can check the storage condition of the lubricating liquid in the inside of the storage box 61 through the window 69, which is convenient for measuring the remaining amount of the lubricating oil.

[0034] Figure 2 and Figure 3The shown lubricating assembly 6 further comprises rubber blocks 610, wherein the rubber blocks 610 are uniformly fixed on the surface of the sealing cover 63. By arranging the rubber blocks 610, the friction between the surface of the sealing cover 63 and the hand can be increased, and the situation that the hand slips when manually rotating the sealing cover 63 can be reduced. The lubricating assembly 6 further comprises a filter plate 611, wherein the filter plate 611 is clamped and fixed in the inner part of the threaded pipe 62 by engaging the convex blocks with the grooves arranged on the threaded groove. By arranging the filter plate 611, the filter plate 611 can be clamped and fixed in the inner part of the threaded pipe 62 to filter the lubricating oil poured into the storage box 61, so as to reduce the impurities contained in the lubricating oil from entering and accumulating in the inner part of the storage box 61.

[0035] Figure 3 and Figure 4 The shown mounting assembly 7 comprises a clamping seat 71 fixed on the arm support body 1, wherein the inner wall of the clamping seat 71 is threadedly connected with a bolt 72; and a round hole plate 74 fixed on the collection box, wherein the round hole plate 74 is fixed inside the clamping seat 71 by the bolt 72. By arranging the mounting assembly 7, first, the storage box 61 is manually moved, so that the storage box 61 drives the round hole plate 74 to move. When the round hole plate 74 moves to the position of being completely inserted into the inner part of the clamping seat 71, the surface of the storage box 61 is attached to the surface of the clamping seat 71, so that the inner wall of the round hole plate 74 coincides with the inner wall of the hole arranged on the clamping seat 71. At this time, the bolt 72 is screwed into the inner part of the clamping seat 71 and the round hole plate 74 to fix the round hole plate 74 and the storage box 61, so as to achieve the assembly and fixation between the lubricating assembly 6 and the arm support body 1. At the same time, the lubricating assembly 6 can be freely disassembled and assembled in the subsequent process, so as to improve the use flexibility and maintenance convenience of the lubricating assembly 6.

[0036] Figure 3 and Figure 4 The shown mounting assembly 7 further comprises a support block 73, wherein the support block 73 is fixed between the clamping seat 71 and the arm support body 1. By arranging the support block 73, the connection strength between the clamping seat 71 and the arm support body 1 can be increased, so as to reduce the situation that the clamping seat 71 shakes or separates from the arm support body 1 during use.

[0037] Working principle: in working, the arm support body 1 is driven to rotate around the joint shaft 2 as the center by the rotating motor, so as to realize the horizontal rotation and folding storage of the arm support body 1. Then, the winch 4 is used to wind the lifting rope, so that the lifting rope is wound while driving the lifting hook 5 to lift the object.

[0038] Firstly, the storage box 61 is manually moved, so that the storage box 61 drives the round hole plate 74 to move, when the round hole plate 74 moves to the position of being fully inserted into the inner part of the card seat 71, the storage box 61 is attached to the surface of the card seat 71, so that the inner wall of the round hole plate 74 is coincided with the inner wall of the hole opened on the card seat 71, at this time, the screw 72 is screwed into the inner part of the card seat 71 and the round hole plate 74 by a tool to fix the round hole plate 74 and the storage box 61, so that the assembly and fixation between the lubricating assembly 6 and the arm support body 1 are achieved, so that the nozzle 67 is placed close to the joint shaft 2, at this time, the lubricating oil is poured into the inner part of the storage box 61 through the threaded pipe 62, and the threaded pipe 62 is closed by the sealing cover 63, when the joint shaft 2 needs to be lubricated, the electric telescopic rod 64 is driven to move the piston plate 65 along the inner part of the storage box 61 to the direction close to the pipeline 66, so that the piston plate 65 pushes the lubricating oil in the inner part of the storage box 61 to the pipeline 66 during the movement, so that the lubricating oil enters the inner part of the nozzle 67 through the pipeline 66, so that the lubricating oil is sprayed out through the aperture on the nozzle 67 under the action of pressure, and is sprayed on the surface of the joint shaft 2, so that the lubricating oil flows into the gap between the joint shaft 2 and the arm support body 1, so that the joint shaft 2 is quickly lubricated.

[0039] The above is the ideal embodiment according to the utility model, through the above description, the related staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A folding boom, characterized in that: include: Boom body (1), the boom body (1) is placed on the ground as an integral support structure; Rotary motor (3) is installed at the joint of boom body (1), wherein the rotary motor (3) drives boom body (1) to rotate around joint axis (2) as the center; A winch (4) is mounted on the boom body (1), wherein the winch (4) is driven by winding and unwinding the hoisting rope and the hook (5); A lubrication assembly (6) is provided on the side of the boom body (1) near the joint axis (2), wherein the lubrication assembly (6) can spray lubricating oil onto the joint axis (2) to provide lubrication.

2. A folding boom according to claim 1, characterized in that: The lubrication assembly (6) includes a storage box (61), which is detachably mounted on the side of the boom body (1) near the joint axis (2) via a mounting assembly (7); A threaded tube (62) is fixed to the top of the storage box (61) for adding lubricating oil into the storage box (61), wherein the surface of the threaded tube (62) is threaded with a sealing cap (63). Piston plate (65), wherein piston plate (65) is slidably mounted inside storage box (61), wherein piston plate (65) is driven by electric telescopic rod (64); The nozzle (67) is fixed to the storage box (61) via a pipe (66), and the nozzle (67) is positioned near the joint axis (2).

3. A folding boom according to claim 2, characterized in that: The lubrication assembly (6) further includes a sleeve (68) fixed to the storage box (61), wherein the sleeve (68) wraps around the side of the pipe (66) near the nozzle (67).

4. A folding boom according to claim 2, characterized in that: The lubrication assembly (6) further includes a window (69), wherein the window (69) is fixed to the storage box (61) and connected to the inner wall of the storage box (61), wherein the window (69) is made of transparent plate material.

5. A folding boom according to claim 2, characterized in that: The lubrication assembly (6) further includes a rubber block (610), wherein the rubber block (610) is uniformly fixed to the surface of the sealing cap (63).

6. A folding boom according to claim 2, characterized in that: The lubrication assembly (6) further includes a filter plate (611), wherein the filter plate (611) is engaged with the groove on the threaded groove by a protrusion and is snapped and fixed inside the threaded tube (62).

7. A folding boom according to claim 2, characterized in that: The mounting assembly (7) includes: a mounting bracket (71) which is fixedly connected to the boom body (1), wherein the inner wall of the mounting bracket (71) is threaded with bolts (72); A perforated plate (74) is fixed to the collection box, wherein the perforated plate (74) is placed inside the card holder (71) and fixed by bolts (72).

8. A folding boom according to claim 7, characterized in that: The mounting assembly (7) further includes a support block (73), wherein the support block (73) is fixed between the mounting base (71) and the boom body (1).

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