CN214063003U

CN214063003U - Workspace adjustable work bar

Info

Publication number: CN214063003U
Application number: CN202022955196.3U
Authority: CN
Inventors: 郑朝保; 赖和全; 姚润; 马兵; 杨有何; 夏茂川
Original assignee: China Railway Yanfeng Chendu Science and Technology Co Ltd
Current assignee: China Railway Yanfeng Chendu Science and Technology Co Ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-27
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a workspace adjustable work bar, including fixed fence and slip fence, slip fence slidable mounting is on fixed fence, and it is fixed that slip fence passes through pedal device with fixed fence, one side of keeping away from the slip fence on the fixed fence is provided with the fence of falling that can fall, and be connected through link mechanism between the both sides frame of the fence of falling and the stand of fixed fence, the outer tip both sides of falling the fence are all articulated to install the grudging post, the top of grudging post articulates there is the connecting rod, transversely install the dead lever on the top frame of fixed fence, the other end and the dead lever of connecting rod are articulated, still install the pin between two connecting rods. The utility model has the advantages that: be provided with the slide bar, through the position of adjustment slide bar, can change workspace's size, still be provided with the fence of falling, fall the fence of falling to with grudging post, connecting rod equipment back, expansion workspace that can be further, grudging post, connecting rod and pin can enclose into the rail moreover, thereby guarantee the security of operating personnel at the regional work of falling the fence.

Description

Workspace adjustable work bar

Technical Field

The utility model relates to an bow member installation platform truck, especially a workspace adjustable work bar.

Background

The working columns are installed on the two arms of the existing double-arm arch center installing trolley, operators stand in the working columns for operation, but the sizes of the required working spaces are different according to different working conditions, the working spaces of the working columns are directly made into large spaces, and the working columns are difficult to store, so that the working columns with adjustable working spaces are needed, and meanwhile, the safety of the operators working in the working columns is guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a work space adjustable work bar that adjusts convenience and security height.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a workspace adjustable work bar, including fixed fence and slip fence, slip fence slidable mounting is on fixed fence, and it is fixed that slip fence passes through pedal device with fixed fence, one side of keeping away from the slip fence on the fixed fence is provided with the fence of falling that can fall, and be connected through link mechanism between the both sides frame of the fence of falling and the stand of fixed fence, the outer tip both sides of the fence of falling are all articulated installs the grudging post, the top of grudging post articulates there is the connecting rod, transversely install the dead lever on the top frame of fixed fence, the other end and the dead lever of connecting rod are articulated, still install the pin between two connecting rods.

Preferably, the connecting rod structure comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged with the upright post of the fixed fence, the other end of the first connecting rod is hinged with one end of the second connecting rod, and the other end of the second connecting rod is connected with the frame of the inverted fence.

Preferably, the fixed rod is fixedly provided with a U-shaped frame, and the end part of the connecting rod is positioned in the U-shaped frame and is hinged with the U-shaped frame through a hinge shaft.

Preferably, fixed fence bottom both sides are provided with spout b, and the interval is provided with the stopper on spout b's the top frame, and loose pulley assembly is installed on spout b's right side, and two outsides in the bottom of slip fence are provided with spout an, loose pulley assembly's pulley sliding fit is in spout an, and pedal device installs on the slip fence, and pedal device is spacing through corresponding the stopper.

Preferably, the two limit blocks are arranged oppositely, step faces are arranged on the limit blocks, limit grooves are formed in the step faces, and wedge-shaped faces are formed in the opposite side walls of the two limit blocks.

Preferably, the pedal device includes the running-board, bottom plate and mounting panel, install the articulated slab on the bottom plate, the running-board articulates on the articulated slab, be provided with the guide pin bushing on the bottom plate, slidable mounting has the gag lever post in the guide pin bushing, and the cover is equipped with reset spring on being located the gag lever post in the guide pin bushing, the top of gag lever post is passed the top of guide pin bushing and is connected with the running-board, the bottom of gag lever post is located the spacing inslot, the inboard of bottom plate is connected with the mounting panel, mounting panel fixed mounting is on the inside wall of spout an, and rotatable the installing has the gyro wheel on the mounting panel, the gyro wheel roll fit is in spout b.

The utility model has the advantages of it is following: the utility model discloses a work bar is provided with the slip fence, through the position of adjustment slip fence, can change workspace's size, but also is provided with the fence of falling, will fall the fence and fall to with grudging post, connecting rod equipment back, expansion workspace that can be further, grudging post, connecting rod and pin can enclose into the rail moreover, thereby guarantee the security of operating personnel at the regional work of falling the fence.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the footrest;

FIG. 3 is a schematic view of the pedal device;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic structural diagram of a limiting block;

FIG. 6 is a schematic view of the articulation of the connecting rod and the securing lever;

in the figure, 1-fixed rail, 2-sliding rail, 3-inverted rail, 4-first connecting rod, 5-second connecting rod, 6-vertical frame, 7-connecting rod, 8-fixed rod, 9-stop rod, 10-stop block, 12-pedal device, 13-pulley assembly, 14-sliding groove a, 15-sliding groove b, 16-U-shaped frame, 17-hinged shaft, 101-limit groove, 102-wedge surface, 103-step surface, 121-pedal plate, 122-hinged plate, 123-guide sleeve, 124-compression spring, 125-stop rod, 126-roller, 127-mounting plate and 128-base plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a working space adjustable working column comprises a fixed column 1 and a sliding column 2, the sliding column 2 is slidably mounted on the fixed column 1, and the sliding column 2 and the fixed column 1 are fixed by a pedal device 12, when an operator enters the fixed column 1, the pedal device 12 can be stepped on by foot according to needs, so that the sliding column 2 and the fixed column 1 move relatively, so that the sliding column 2 slides out of the fixed column 1, thereby increasing the working space, after the adjustment is completed, the pedal device 12 is released, the pedal device 12 is positioned again, so as to ensure the relative fixation of the positions of the sliding column 2 and the fixed column 1, and thus the stability of the working space is ensured, but in the actual operation process, even if the sliding column 2 slides out to the farthest position, the working space is not enough at the moment, therefore, in this embodiment, a side of the fixed column 1 far away from the sliding column 2 is provided with a falling column 3 capable of falling, in the embodiment, one side of the sliding rail 2 is a right side, and the side far away from the sliding rail 2 is a left side, in the embodiment, the two side frames of the inverted rail 3 are connected with the upright posts of the fixed rail 1 through a connecting rod 7 mechanism, optionally, the connecting rod 7 mechanism is used for hinging two sides of the outer end part of the inverted rail 3 with upright frames 6, the top of the upright frame 6 is hinged with a connecting rod 7, a fixing rod 8 is transversely installed on the top frame of the fixed rail 1, the other end of the connecting rod 7 is hinged with the fixing rod 8, after the inverted rail 3 is horizontally placed, the first connecting rod 4 and the second connecting rod 5 are connected into a straight line, the upright frames 6 are hinged on two sides of the outer end part of the inverted rail 3, after the inverted rail 3 is horizontally placed, the upright frames 6 are hinged on two sides of the left end of the inverted rail 3, the top of the upright frames 6 is hinged with the connecting rod 7, the fixing rod 8 is transversely installed on the top frame of the fixed rail 1, and the other end of the connecting rod 7 is hinged with the fixing rod 8, after the vertical frame 6 and the connecting rods 7 are installed, at the moment, the vertical frame 6 is in a vertical device, the connecting rods 7 are in a horizontal device, further, the stop rods 6 are further installed between the two connecting rods 7, the two vertical frames 6 and the stop rods 6 form a new working space, and the periphery of the working space is surrounded, so that the safety of operators in the working space is guaranteed.

In this embodiment, as shown in fig. 6, a U-shaped frame 16 is fixedly mounted on the fixing rod 8, the end of the connecting rod 7 is located in the U-shaped frame 16 and is hinged to the U-shaped frame 16 through a hinge shaft 17, a through hole is formed in the end of the connecting rod 7, the hinge shaft 17 passes through the through hole, and both ends of the hinge shaft 17 also pass through the groove wall of the U-shaped frame 16, and one end of the hinge shaft 17 is further locked by a lock nut.

In this embodiment, as shown in fig. 1 to 5, sliding grooves b15 are provided on two sides of the bottom of the fixed rail 1, limiting blocks 10 are provided at intervals on the top frame of the sliding groove b15, a pulley assembly 13 is installed on the right side of the sliding groove b15, sliding grooves a14 are provided on two outer sides of the bottom of the sliding rail 2, pulleys of the pulley assembly 13 are slidably fitted in the sliding grooves a14, the pedal device 12 is installed on the sliding rail 2, and the pedal device 12 is limited by corresponding limiting blocks 10, in this embodiment, the two limiting blocks 10 are oppositely arranged, a step surface 103 is provided on the limiting block 10, a limiting groove 101 is provided on the step surface 103, wedge surfaces 102 are provided on opposite side walls of the two limiting blocks 10, the pedal device 12 includes a pedal plate 121, a bottom plate 128 and a mounting plate 127, a hinge plate 122 is installed on the bottom plate 128, the pedal plate 121 is hinged to the hinge plate 122, a guide sleeve 123 is provided on the bottom plate 128, a limiting rod 125 is slidably installed in the guide sleeve 123, a return spring 124 is sleeved on a limiting rod 125 positioned in the guide sleeve 123, the top of the limiting rod 125 passes through the top of the guide sleeve 123 and is connected with the pedal 121, the bottom of the limiting rod 125 is positioned in the limiting groove 101, the inner side of the bottom plate 128 is connected with a mounting plate 127, the mounting plate 127 is fixedly mounted on the inner side wall of the sliding groove a14, a roller 126 is rotatably mounted on the mounting plate 127, the roller 126 is in rolling fit in the sliding groove b15, when the sliding rail 2 needs to slide out, the pedal 121 is stepped by feet, then the pedal 121 rotates to drive the limiting rod 125 to move upwards, after the limiting rod 125 moves upwards, the sliding rail 2 is pushed by force, at the moment, the sliding rail 2 slides out of the fixed rail 1 under the action of the pulley assembly 13 and the roller 126, in the sliding process, the pedal 121 does not need to be stepped by feet, the pedal is reset at the moment, after the positioning rod is contacted with the wedge-shaped surface 102 on the limiting block 10 on the right side, the positioning rod moves upwards, when the locating lever was located the spacing groove 101 top, the locating lever got into the spacing groove 101 under reset spring 124's effect this moment to realize the location of sliding fence 2, and then seted up the step on the locating lever, reset spring 124's one end supported on the step, and reset spring 124's the other end then supported the bottom at the guide pin bushing 123 inner chamber, and the recovery of sliding fence 2 and the expenditure working process of sliding fence 2 are few, consequently do not going on repeatedly.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a workspace adjustable work bar which characterized in that: including fixed fence and slide bar, slide bar slidable mounting be in on the fixed fence, just slide bar with fixed fence passes through pedal device and fixes, keep away from on the fixed fence slide bar's one side is provided with the fence of falling that can fall, just fall the both sides frame of fence with connect through link mechanism between the stand of fixed fence, the outer tip both sides of falling the fence are all articulated to install the grudging post, the top of grudging post articulates there is the connecting rod, transversely install the dead lever on the top frame of fixed fence, the other end of connecting rod with the dead lever is articulated, two still install the pin between the connecting rod.

2. The workspace adjustable workspaces toolbar according to claim 1, characterized in that: the connecting rod structure comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the upright column of the fixed fence, the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is connected with the frame of the inverted fence.

3. The workspace adjustable workspaces toolbar according to claim 1, characterized in that: the fixing rod is fixedly provided with a U-shaped frame, and the end part of the connecting rod is positioned in the U-shaped frame and hinged with the U-shaped frame through a hinge shaft.

4. The workspace adjustable workspaces toolbar according to claim 1, characterized in that: the utility model discloses a guardrail device, including fixed fence, fixed fence bottom both sides are provided with spout b, the interval is provided with the stopper on spout b's the top frame, loose pulley assembly is installed on spout b's right side, two outsides in the bottom of sliding fence are provided with spout an, loose pulley assembly's pulley sliding fit is in the spout an, pedal device installs on the sliding fence, just pedal device is through corresponding the stopper is spacing.

5. The workspace adjustable workspaces toolbar according to claim 4, characterized in that: the limiting blocks are oppositely arranged, step faces are arranged on the limiting blocks, limiting grooves are formed in the step faces, and wedge-shaped faces are formed in the opposite side walls of the limiting blocks.

6. The workspace adjustable workspaces toolbar according to claim 5, characterized in that: the pedal device comprises a pedal plate, a bottom plate and a mounting plate, wherein a hinged plate is mounted on the bottom plate, the pedal plate is hinged to the hinged plate, a guide sleeve is arranged on the bottom plate, a limiting rod is slidably mounted in the guide sleeve, the limiting rod is located in the guide sleeve, a reset spring is sleeved on the limiting rod, the top of the limiting rod penetrates through the top of the guide sleeve and is connected with the pedal plate, the bottom of the limiting rod is located in a limiting groove, the mounting plate is connected to the inner side of the bottom plate, the mounting plate is fixedly mounted on the inner side wall of the sliding groove a, a roller is rotatably mounted on the mounting plate, and the roller is in rolling fit in the sliding groove b.