CN212712483U

CN212712483U - Connection structure of tower arm of reinforced tower crane

Info

Publication number: CN212712483U
Application number: CN202021448241.XU
Authority: CN
Inventors: 陈建国; 陈凯
Original assignee: Jiangsu Baoli Light Steel House Co ltd
Current assignee: Jiangsu Baoli Light Steel House Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a connection structure of tower arm of a reinforced tower crane, which comprises a first joint and a second joint, wherein one end of the first joint is fixedly connected with an insert block, the outer side walls of the two ends of the insert block are respectively provided with a plurality of first clamping grooves, one end of the second joint is provided with a fixed groove, the two sides of the inside of the second joint are respectively provided with an interlayer, the middle parts of the two interlayers are in threaded connection with screw rods, the outer side walls of the two screw rods are respectively in threaded connection with screw sleeves, the outer side walls of the two screw sleeves are respectively and fixedly connected with a driving plate, the opposite end surfaces of the two driving plates are respectively and fixedly connected with a first clamping block, one ends of the two screw rods sequentially penetrate through the interlayer and the inner wall of the second joint and extend to the outside of the second joint, one ends of the plurality of first clamping blocks are respectively clamped with the plurality of first clamping grooves, so that, the stability of connecting is improved, further improves the security of tower arm.

Description

Connection structure of tower arm of reinforced tower crane

Technical Field

The utility model relates to a tower machine field, in particular to connection structure of reinforcement type tower machine tower arm.

Background

The tower crane is the most common hoisting equipment on the construction site, also known as tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by lengthening one section by one section, the tower crane is indispensable equipment on the construction site, and the tip of the tower crane has the functions of bearing the upper load transmitted by a boom pull rope and a balance arm pull rope and directly transmitting the upper load to a tower body structure through a rotary tower, a rotary table, a bearing seat and other structural components.

The tower arms on the tower crane are used for transporting materials, connection between the tower arms is particularly important, connection safety of the tower arms needs to be guaranteed, an existing connection structure is poor in fixing effect, and the existing connection structure is not easy to loosen after being used for a long time and has potential safety hazards, so that the connection structure of the tower arms of the reinforced tower crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connection structure of reinforcement type tower machine tower arm can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a connection structure of reinforcement type tower machine tower arm, includes first joint and second joint, the one end fixedly connected with inserted block of first joint, the first draw-in groove of a plurality of has all been seted up to the lateral wall at inserted block both ends, the fixed slot has been seted up to the one end of second joint, the intermediate layer, two have all been seted up to the inside both sides of second joint interbedded middle part threaded connection has the screw rod, two the equal threaded connection of lateral wall of screw rod has the swivel nut, two the equal fixedly connected with driving plate of lateral wall of swivel nut, two the first fixture block of the equal fixedly connected with of relative terminal surface of driving plate, two the one end of screw rod runs through intermediate layer and second joint inner wall in proper order and extends to the second and connects outsidely, the inserted block is located the inside of fixed slot, a plurality of the one end of first fixture block respectively with.

Preferably, the outer side walls of the two transmission plates are fixedly connected with sliding blocks, and one ends of the two sliding blocks are respectively in sliding connection with the two interlayers through sliding grooves.

Preferably, the upper surface and the lower surface of inserted block have all been seted up the second draw-in groove, and the spacing groove has been seted up at the middle part that the second connects, and the common joint in middle part of two second draw-in grooves and spacing groove has the T-shaped piece, and the equal joint of lateral wall at T-shaped piece both ends has the L shaped plate, two liang of difference threaded connection have first bolt between two L shaped plates and second joint and the T-shaped piece.

Preferably, the upper surface and the lower surface that first joint and second connect all laminate two fixed plates, four fixed plates respectively with first joint with between equal threaded connection have the second bolt.

Preferably, the size of the limiting groove is the same as that of the second clamping groove.

Preferably, the other ends of the two screws are respectively and rotatably connected with the side wall in the interlayer through bearings.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) insert the inserted block on the first joint in the fixed slot in the second connects, then rotate the screw rod, the driving plate on the screw sleeve is driven to the screw rod and moves for the first fixture block of driving plate lateral wall removes, makes first fixture block and first draw-in groove joint, thereby the staff of being convenient for connects first joint and second to fix, can avoid appearing the condition that breaks away from, is favorable to improve equipment's security.

(2) Insert the second draw-in groove with the T-shaped piece and the spacing groove, then fix the L shaped plate in second joint and T-shaped piece through first bolt respectively, then put the second draw-in groove at the upper surface of first joint and second articulate department, then twist the second bolt on to can consolidate first joint and second joint, improve the steadiness of connecting, further improve the security of tower arm.

Drawings

Fig. 1 is a schematic view of the overall structure of a connection structure of a tower arm of a reinforced tower crane of the present invention;

fig. 2 is a schematic view of a first joint structure of a connection structure of a tower arm of a reinforced tower crane of the present invention;

fig. 3 is a schematic view of a second joint structure of a connection structure of a tower arm of a reinforced tower crane of the present invention;

fig. 4 is a schematic view of the external connection structure of the transmission plate of the connection structure of the tower arm of the reinforced tower crane of the present invention;

fig. 5 is the utility model relates to a connection structure's of reinforcement type tower machine tower arm T-shaped piece external connection structure sketch map.

In the figure: 1. a first joint; 2. a second joint; 3. inserting a block; 4. a first card slot; 5. a second card slot; 6. a limiting groove; 7. a screw; 8. a threaded sleeve; 9. a drive plate; 10. a first clamping block; 11. a slider; 12. a T-shaped block; 13. an L-shaped plate; 14. a first bolt; 15. a fixing plate; 16. a second bolt; 17. an interlayer; 18. and fixing the grooves.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

As shown in fig. 1-5, a connection structure of a tower arm of a reinforced tower crane comprises a first joint 1 and a second joint 2, wherein one end of the first joint 1 is fixedly connected with an insert block 3, the outer side walls of the two ends of the insert block 3 are respectively provided with a plurality of first clamping grooves 4, one end of the second joint 2 is provided with a fixing groove 18, the two sides of the inside of the second joint 2 are respectively provided with an interlayer 17, the middle parts of the two interlayers 17 are in threaded connection with a screw 7, the outer side walls of the two screw 7 are respectively in threaded connection with a screw sleeve 8, the outer side walls of the two screw sleeves 8 are respectively and fixedly connected with a transmission plate 9, the opposite end surfaces of the two transmission plates 9 are respectively and fixedly connected with a first clamping block 10, one ends of the two screw 7 sequentially penetrate through the interlayer 17 and the inner wall of the second joint 2 to extend to the outside of the second joint 2, the insert block 3 is positioned inside the, it fixes to be convenient for first joint 1 and second joint 2, and is convenient for dismantle.

The equal fixedly connected with slider 11 of lateral wall of two driving plates 9, the one end of two sliders 11 pass through the spout respectively with two intermediate layer 17 sliding connection, can carry on spacingly to driving plate 9, avoid it to appear the dislocation.

Second draw-in groove 5 has all been seted up to the upper surface and the lower surface of inserted block 3, spacing groove 6 has been seted up at the middle part of second joint 2, the common joint in middle part of two second draw-in grooves 5 and spacing groove 6 has T-shaped piece 12, the equal joint of lateral wall at T-shaped piece 12 both ends has L shaped plate 13, two liang of difference threaded connection have first bolt 14 between two L shaped plates 13 and second joint 2 and T-shaped piece 12, can consolidate first joint 1 and second joint 2, improve equipment's steadiness.

First joint 1 and second joint 2's upper surface and lower surface all laminate two fixed plates 15, four fixed plates 15 respectively with

first joint

1 and 2 between equal threaded connection have a second bolt 16, can further consolidate, improve equipment security.

The size of the limiting groove 6 is the same as that of the second clamping groove 5, so that the T-shaped block 12 is more attached to the first joint 1 and the second joint 2, and the T-shaped block is favorably fixed.

The other ends of the two screws 7 are respectively rotatably connected with the inner side wall of the interlayer 17 through bearings, so that the screws 7 can rotate more stably.

It should be noted that, the utility model relates to a connection structure of tower arm of reinforced tower crane, the staff first checks the equipment, then inserts the insert 3 on the first joint 1 into the fixed slot 18 in the second joint 2, then rotates the screw 7, the screw 7 drives the driving plate 9 on the screw sleeve 8 to move, so that the first fixture block 10 on the outer side wall of the driving plate 9 moves, so that the first fixture block 10 is connected with the first slot 4 in a clamping manner, the first joint 1 and the second joint 2 can be fixed, the T-shaped block 12 is inserted into the second slot 5 and the limiting slot 6, then the L-shaped plate 13 is fixed on the second joint 2 and the T-shaped block 12 through the first bolt 14, then the second slot 5 is placed on the upper surface of the joint of the first joint 1 and the second joint 2, then the second bolt 16 is screwed on, so as to reinforce the first joint 1 and the second joint 2, when needing to dismantle, will twist out second bolt 16 earlier, then take out fixed plate 15, unscrew first bolt 14 again, can take away L shaped plate 13 and T-shaped piece 12, rotate screw rod 7 again for first fixture block 10 breaks away from first draw-in groove 4, then can part first joint 1 and second joint 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a connection structure of reinforcement type tower machine tower arm, includes first joint (1) and second joint (2), its characterized in that: one end of the first joint (1) is fixedly connected with an insert block (3), a plurality of first clamping grooves (4) are formed in the outer side walls of the two ends of the insert block (3), a fixing groove (18) is formed in one end of the second joint (2), interlayers (17) are formed in the two sides of the interior of the second joint (2), screw rods (7) are connected to the middle portions of the two interlayers (17) in a threaded mode, thread sleeves (8) are connected to the outer side walls of the two screw rods (7) in a threaded mode, driving plates (9) are fixedly connected to the outer side walls of the two thread sleeves (8), first clamping blocks (10) are fixedly connected to the opposite end faces of the two driving plates (9), one ends of the two screw rods (7) sequentially penetrate through the interlayers (17) and the inner wall of the second joint (2) and extend to the exterior of the second joint (2), and the insert block (3) is located inside the fixing, one end of each of the first clamping blocks (10) is clamped with the corresponding first clamping grooves (4).

2. The connection structure of tower arms of a reinforced tower crane according to claim 1, wherein: the outer side walls of the two transmission plates (9) are fixedly connected with sliding blocks (11), and one ends of the two sliding blocks (11) are respectively connected with the two interlayers (17) in a sliding mode through sliding grooves.

3. The connection structure of tower arms of a reinforced tower crane according to claim 1, wherein: second draw-in groove (5) have all been seted up to the upper surface and the lower surface of inserted block (3), and spacing groove (6) have been seted up at the middle part that the second connects (2), and the common joint in middle part of two second draw-in grooves (5) and spacing groove (6) has T-shaped piece (12), and the equal joint of lateral wall at T-shaped piece (12) both ends has L shaped plate (13), two liang of difference threaded connection have first bolt (14) between two L shaped plates (13) and second joint (2) and T-shaped piece (12).

4. The connection structure of tower arms of a reinforced tower crane according to claim 1, wherein: the upper surface and the lower surface of first joint (1) and second joint (2) all laminate two fixed plates (15), four fixed plates (15) respectively with first joint (1) and second joint (2) between equal threaded connection have second bolt (16).

5. The connection structure of tower arms of a reinforced tower crane according to claim 3, wherein: the size of the limiting groove (6) is the same as that of the second clamping groove (5).

6. The connection structure of tower arms of a reinforced tower crane according to claim 1, wherein: the other ends of the two screw rods (7) are respectively and rotatably connected with the inner side wall of the interlayer (17) through bearings.