CN217297074U

CN217297074U - Telescopic protection structure for counterweight position of tower crane

Info

Publication number: CN217297074U
Application number: CN202220135295.3U
Authority: CN
Inventors: 段光旭; 李刚
Original assignee: Jiangsu Zhongjian Dafeng Mechanical Engineering Co ltd
Current assignee: Jiangsu Zhongjian Dafeng Mechanical Engineering Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-26
Anticipated expiration: 2032-01-18

Abstract

A telescoping protective structure for a tower crane counterweight position, comprising: a fixed plate and No. two fixed plates, No. two fixed plates are located fixed plate one side, and a fixed plate is close to No. two fixed plate one side tops and rotates through the hinge and be connected with the rotor plate No. one, and No. two fixed plates are close to No. one fixed plate one side top and rotate through the hinge and be connected with the rotor plate No. two, and a rotor plate top is equipped with the expansion plate, the utility model has the advantages of it is following: rotate through a rotor plate and a fixed plate hinge and connect, No. two rotor plates and No. two fixed plate hinges rotate and connect, and flexible inslot wall and flexible board lateral wall sliding connection are convenient for accomodate the storage to flexible protective structure, conveniently carry the transportation to it, reduce its space that occupies.

Description

Telescopic protection structure for counterweight position of tower crane

Technical Field

The utility model relates to a tower machine counter weight position technical field, concretely relates to flexible protective structure for tower machine counter weight position.

Background

In the use of tower machine, when the balancing weight in counter weight position is not full, produce a cavity easily, have certain potential safety hazard, consequently need the flexible protective structure of a tower machine counter weight position.

At present, most of telescopic protection structures of tower crane counterweight positions can achieve the telescopic effect, but when the telescopic protection structures are not used, the telescopic protection structures are inconvenient to store, occupy enlarged space and carry and transport; and most of the telescopic protection structures of the tower crane counterweight positions are usually installed on the platform through nuts, so that the installation process is complicated, and the labor amount consumed by later-stage disassembly is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that, the flexible protective structure of present most of tower machine weight balancing position, though can realize flexible effect, when not using, be not convenient for accomodate it and deposit, occupy the space that enlarges, and be not convenient for carry the transportation to it, for this provides a flexible protective structure for tower machine weight balancing position, makes it be convenient for accomodate it and deposit, reduces the space that occupies, and convenient transportation is carried.

The utility model provides a technical scheme that technical problem adopted is: a telescoping protective structure for a tower crane counterweight position, comprising: a fixed plate and No. two fixed plates, No. two fixed plates are located fixed plate one side, No. one the fixed plate is close to No. two fixed plate one side tops and is connected with the rotor plate No. one through the hinge rotation, No. two the fixed plate is close to No. one fixed plate one side top and is connected with the rotor plate No. two through the hinge rotation, No. one the rotor plate top is equipped with the expansion plate.

As a preferred technical proposal of the utility model, one side of the first rotating plate, which is positioned at the opposite position of the expansion plate, is provided with an expansion groove, the inner side wall of the telescopic groove is connected with the side wall of the telescopic plate in a sliding way, both ends of one side of the first fixed plate close to the second fixed plate are provided with driving grooves, the driving groove is internally and horizontally and fixedly connected with a telescopic rod, one side of the second fixed plate, which is close to the first fixed plate, is provided with clamping bins at the opposite positions of the telescopic rod, one ends of the two telescopic rods, which are far away from the driving groove, are respectively and slidably connected with the two clamping bins, the first fixed plate is rotationally connected with the first rotating plate through a hinge, the second fixed plate is rotationally connected with the second rotating plate through a hinge, and the telescopic plate side wall and the telescopic groove inner side wall are connected in a sliding mode, so that the telescopic protection structure is convenient to store, the occupied space is saved, and the carrying and transporting convenience is improved.

As a preferred technical proposal of the utility model, a clamping groove is arranged at one side of the first fixed plate and the second fixed plate which are far away from each other, a sliding bin is arranged at the position of the side wall of the second rotating plate which is opposite to the expansion plate, the inner side wall of the sliding bin is connected with the side wall of the expansion plate in a sliding way, a driving port is arranged at one side of the first rotating plate and is communicated with the expansion groove, an L-shaped driving rod is connected in the driving port in a sliding way, the bottom of the L-shaped driving rod is fixedly connected with the side wall of the expansion plate, a positioning hole is arranged at one end of the expansion plate which is far away from the first rotating plate, the surface of the second rotating plate is fixedly connected with a U-shaped fixed plate at the position of the positioning hole, a positioning rod is arranged below the U-shaped fixed plate, the bottom end of the positioning rod penetrates through the side wall of the second rotating plate and extends into the sliding bin, and the side wall of the second rotating plate is connected with the positioning rod in a sliding way, make the expansion plate stretch into in the sliding bin through L shape actuating lever, be convenient for improve the convenience of flexible protective structure installation.

As a preferred technical scheme of the utility model, locating lever top fixedly connected with compression spring, top fixed connection in compression spring top and the U-shaped fixed plate, the vertical pull rod that is equipped with in the compression spring, pull rod one end and locating lever top fixed connection, the pull rod other end runs through the U-shaped fixed plate and stretches to U-shaped fixed plate top, U-shaped fixed plate lateral wall and pull rod lateral wall sliding connection, the locating lever bottom is connected with the locating hole joint, the vertical sliding connection that runs through in L shape actuating lever top has the inserted bar, a rotor plate surface is located the inserted bar relative position and has seted up the jack, the jack is connected with inserted bar bottom joint, is connected through jack and inserted bar joint, and the locating lever is connected with the locating hole joint, is convenient for improve the stability of flexible protective structure installation.

The utility model has the advantages of it is following: the first rotating plate is hinged with the first fixed plate, the second rotating plate is hinged with the second fixed plate, and the inner side wall of the telescopic groove is slidably connected with the side wall of the telescopic plate, so that the telescopic protection structure is convenient to store, carry and transport, and the occupied space is reduced; draw-in groove and platform joint on with a fixed plate and No. two fixed plates are connected, then stretch into the sliding bin through L shape actuating lever drive expansion plate in to make the locating lever be connected with the locating hole joint, inserted bar and jack joint are connected, are convenient for install flexible protective structure, improve the convenience of installation, and make things convenient for the dismantlement in later stage.

Drawings

Fig. 1 is a schematic view of a connection structure of a first rotating plate according to a preferred embodiment of the present invention;

FIG. 2 is a front sectional view of a preferred embodiment of the present invention;

fig. 3 is a schematic diagram of the working structure of a preferred embodiment of the present invention;

fig. 4 is an enlarged schematic view of a preferred embodiment of the present invention at a;

fig. 5 is an enlarged schematic view of a preferred embodiment of the present invention at B;

fig. 6 is an enlarged schematic view of the preferred embodiment of the present invention at C.

Description of reference numerals: 1. a first fixing plate; 2. a second fixing plate; 3. a first rotating plate; 4. a second rotating plate; 5. a retractable plate; 6. a telescopic groove; 7. a sliding bin; 8. a telescopic rod; 9. a drive slot; 10. clamping a bin; 11. a card slot; 12. a drive port; 13. an L-shaped drive rod; 14. positioning holes; 15. positioning a rod; 16. a U-shaped fixing plate; 17. a compression spring; 18. a pull rod; 19. a rod is inserted; 20. and (4) inserting the jack.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-5, the present invention provides a telescopic protection structure for a tower crane counterweight, including: no. 1 fixed plate and No. 2 fixed plate, No. 2 fixed plate are located No. 1 one side of fixed plate, No. two rotor plates 4 are close to No. 1 one side top of fixed plate through hinge and No. two fixed plates 2 and rotate and be connected, and No. 3 rotor plates are close to No. 2 one side tops of No. two fixed plates through hinge and fixed plate 1 and rotate and be connected, and expansion plate 5 is located No. 3 tops of rotor plates.

Two clamping grooves 11 are respectively arranged at one side of a first fixing plate 1 and a second fixing plate 2 which are far away from each other, a sliding bin 7 is arranged at the side wall of the second rotating plate 4 and is positioned at the opposite position of an expansion plate 5, the side wall of the expansion plate 5 is in sliding connection with the inner side wall of the sliding bin 7, a driving port 12 is arranged at one side of the first rotating plate 3, a telescopic groove 6 is communicated with a driving port 12, an L-shaped driving rod 13 is in sliding connection with the driving port 12, the side wall of the expansion plate 5 is fixedly connected with the bottom of the L-shaped driving rod 13, a positioning hole 14 is arranged at one end of the surface of the expansion plate 5, which is far away from the first rotating plate 3, a U-shaped fixing plate 16 is fixedly connected with the surface of the second rotating plate 4 and is positioned at the opposite position of the positioning hole 14, a positioning rod 15 is positioned below a U-shaped fixing plate 16, the bottom end of the positioning rod 15 penetrates through the side wall of the second rotating plate 4 and extends into the sliding bin 7, the side wall of the positioning rod 15 is in sliding connection with the side wall of the second rotating plate 4, the clamping grooves 11 on the first fixing plate 1 and the second fixing plate 2 are connected with a platform in a clamping manner, then through L shape actuating lever 13 drive expansion plate 5 stretch into sliding chamber 7 in, be convenient for install flexible protective structure, improve the convenience of installation, and make things convenient for the dismantlement in later stage.

Compression spring 17 fixed connection is on the 15 top of locating lever, top in compression spring 17 top fixed connection in U-shaped

fixed plate

16, 18 vertical being located compression spring 17 of pull rod, 15 top and the 18 one end fixed connection of pull rod of locating lever, the 18 other end of pull rod runs through U-shaped fixed plate 16 and stretches to 16 tops of U-shaped fixed plate, 18 lateral walls of pull rod and 16 lateral walls sliding connection of U-shaped fixed plate, locating hole 14 is connected with 15 bottom joint of locating lever, the vertical sliding connection that runs through in L shape actuating lever 13 top has inserted bar 19, jack 20 sets up and lies in 19 relative positions of inserted bar on 3 surfaces of rotor plate, jack 20 is connected with 19 bottom joints of inserted bar, be connected with 14 joints of locating hole through locating lever 15, inserted

bar

19 and 20 joints of jack are connected, be convenient for improve the stability of flexible protective structure installation.

Expansion groove 6 is seted up in one side that rotor plate 3 is located 5 relative positions of expansion plate, 5 lateral walls of expansion plate and 6 inside wall sliding connection in expansion groove, two drive grooves 9 are seted up respectively in fixed plate 1 and are close to No. two fixed plate 2 one side both ends, equal horizontal fixedly connected with telescopic link 8 in the drive groove 9, No. two fixed plate 2 are seted up in No. two fixed plate 2 and are close to No. 1 one side of fixed plate and are located 8 relative positions of telescopic link, two telescopic link 8 keep away from drive groove 9 one end respectively with two joint storehouse 10 sliding connection, rotate through rotor plate 3 and fixed plate 1 hinge and connect, No. two rotor plates 4 and No. two fixed plate 2 hinges rotate and connect, 6 inside walls in expansion groove and 5 lateral wall sliding connection, be convenient for accomodate the storage to flexible protective structure, conveniently carry the transportation to it, reduce the space that it occupy.

Specifically, when the utility model is used, the telescopic rod 8 is extended, the clamping grooves 11 on the first fixing plate 1 and the second fixing plate 2 are respectively clamped at two sides of the tower crane platform, then the first rotating plate 3 and the second rotating plate 4 are in a horizontal state and are positioned above the telescopic rod 8 through hinges, then the telescopic plate 5 is driven by the L-shaped driving rod 13 to slide out from the telescopic groove 6 and extend into the sliding bin 7, then the pull rod 18 is pulled to move the positioning rod 15 upwards and continue to move the telescopic plate 5 towards the sliding bin 7 until the positioning hole 14 is positioned below the positioning rod 15, then the pull rod 18 is loosened, the positioning rod 15 is clamped and connected with the positioning hole 14 through the elasticity of the compression spring 17, at the moment, the inserting rod 19 is just clamped and connected with the jack 20, the telescopic protection structure can be installed on the tower crane platform, when the telescopic protection structure needs to be disassembled, the inserting rod 19 only needs to be pulled out from the jack 20, and pulling pull rod 18 makes locating lever 15 take out from locating hole 14 in, then make expansion plate 5 accomodate into flexible groove 6 through L shape actuating lever 13, and take off draw-in groove 11 on fixed plate 1 and No. two fixed plates 2 from the tower machine platform, can accomplish the dismantlement, then make a rotor plate 3 and No. two rotor plates 4 fold through the hinge, make it be located fixed plate 1 and No. two fixed plate 2 surfaces, then retrieve telescopic link 8, make fixed plate 1 and No. two fixed plates 2 be close to each other, be convenient for fold the taking in to flexible protective structure, reduce its space that occupies, conveniently carry the transportation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A flexible protective structure for tower crane counterweight position which characterized in that includes: fixed plate (1) and No. two fixed plates (2), No. two fixed plate (2) are located fixed plate (1) one side, fixed plate (1) is close to No. two fixed plate (2) one side tops and is connected with rotor plate (3) through the hinge rotation, No. two fixed plate (2) are close to No. one fixed plate (1) one side top and are connected with rotor plate (4) through the hinge rotation, rotor plate (3) top is equipped with expansion plate (5).

2. The telescopic protection structure for the counterweight position of the tower crane according to claim 1, wherein a telescopic groove (6) is formed in one side of the first rotating plate (3) which is located at the opposite position of the telescopic plate (5), the inner side wall of the telescopic groove (6) is slidably connected with the side wall of the telescopic plate (5), driving grooves (9) are formed in two ends of the first fixing plate (1) which are close to one side of the second fixing plate (2), telescopic rods (8) are horizontally and fixedly connected in the driving grooves (9), clamping bins (10) are formed in one side of the second fixing plate (2) which is close to the first fixing plate (1) which is located at the opposite position of the telescopic rods (8), and one ends of the telescopic rods (8) which are far away from the driving grooves (9) are slidably connected with the two clamping bins (10) respectively.

3. The telescopic protection structure for the counterweight position of the tower crane according to claim 1, wherein the first fixing plate (1) and the second fixing plate (2) are provided with a clamping groove (11) at the sides far away from each other, the side wall of the second rotating plate (4) is provided with a sliding bin (7) at the position opposite to the telescopic plate (5), the inner side wall of the sliding bin (7) is slidably connected with the side wall of the telescopic plate (5), one side of the first rotating plate (3) is provided with a driving port (12), the driving port (12) is communicated with the telescopic groove (6), the driving port (12) is slidably connected with an L-shaped driving rod (13), the bottom of the L-shaped driving rod (13) is fixedly connected with the side wall of the telescopic plate (5), one end of the surface of the telescopic plate (5) far away from the first rotating plate (3) is provided with a positioning hole (14), and the surface of the second rotating plate (4) is fixedly connected with a U-shaped fixing plate (16) at the position opposite to the positioning hole (14), a positioning rod (15) is arranged below the U-shaped fixing plate (16), the bottom end of the positioning rod (15) penetrates through the side wall of the second rotating plate (4) and extends into the sliding bin (7), and the side wall of the second rotating plate (4) is in sliding connection with the side wall of the positioning rod (15).

4. The telescopic protection structure for the tower crane counterweight position according to claim 3, wherein a compression spring (17) is fixedly connected to the top end of the positioning rod (15), the top of the compression spring (17) is fixedly connected with the top of the U-shaped fixing plate (16), a pull rod (18) is vertically arranged in the compression spring (17), one end of the pull rod (18) is fixedly connected with the top of the positioning rod (15), the other end of the pull rod (18) penetrates through the U-shaped fixing plate (16) and extends to the position above the U-shaped fixing plate (16), the side wall of the U-shaped fixing plate (16) is slidably connected with the side wall of the pull rod (18), the bottom of the positioning rod (15) is connected with the positioning hole (14) in a clamping manner, the top of the L-shaped driving rod (13) is vertically penetrated and slidably connected with an insertion rod (19), and a jack (20) is formed in the surface of the first rotating plate (3) at the position opposite to the insertion rod (19), the jack (20) is connected with the bottom of the inserted bar (19) in a clamping manner.