CN217051401U

CN217051401U - High-strength suspension arm assembly for tower crane

Info

Publication number: CN217051401U
Application number: CN202220794226.3U
Authority: CN
Inventors: 韩志洪; 刘晶; 申力中; 郑杰
Original assignee: Fujian Kaihui Machinery Engineering Co ltd
Current assignee: Fujian Kaihui Machinery Engineering Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-26
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a high-strength suspension arm component for a tower crane in the field of tower cranes, its structure includes the top of the tower, the davit dolly, the high strength structure subassembly, the balancing weight, the body of the tower, the column base, the high strength structure subassembly includes supporting platform, fixed connector, fastening frame, the connecting rod, the horizontal pole, the strengthening rib, the joint piece, the supporting platform rigid coupling is in the fixed connector upper surface, fastening frame rigid coupling is in the fixed connector upper surface, supporting platform adopts the connecting rod rigid coupling to be in the same place with fastening frame, the joint piece rigid coupling is in the supporting platform upper surface, the high strength structure subassembly can cooperate the davit to carry out complementary installation with the body of the tower and fix, frame structure can disperse for the lever pressure that the davit received, alleviate the partial pressure that davit is connected with the body of the tower, moreover, the steam generator is simple in structure, and convenient for installation, improve the davit and the stability of body of the tower at work.

Description

High-strength suspension arm assembly for tower crane

Technical Field

The utility model relates to a tower crane field specifically relates to a high strength davit subassembly that tower crane used.

Background

The tower crane is called tower crane for short, and the movable arm is mounted on the rotary crane of the upper portion of the tower body. The working space is large, and the device is mainly used for vertical and horizontal conveying of materials and installation of building components in building construction. The device consists of a metal structure, a working mechanism and an electrical system. The metal structure comprises a tower body, a movable arm, a base and the like. The working mechanism has four parts of lifting, amplitude changing, rotating and walking, the electric system comprises a motor, a controller, a power distribution cabinet, a connecting circuit, a signal and lighting device, and the connection stability of the movable arm and the tower body is the most important ring in the actual work.

Aiming at the existing tower crane boom component, a relative scheme is made aiming at the following problems:

at present, each metal structural part is usually and directly installed together to the tower crane boom assembly, and the boom and the tower body are fixedly connected together, so that the required stability is high, the traditional structural assembly is usually and rigidly connected together and is always in a stressed state, the stress in the working process is increased greatly, the local pressure change is large, the stability of the boom and the tower body is easily reduced, and the service life of the structural part is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes prior art's is not enough, provides a high strength davit subassembly that tower crane used.

The utility model discloses a following technical scheme realizes: a high-strength suspension arm component for a tower crane structurally comprises a tower top, a suspension arm trolley, a high-strength structure component, a balancing weight, a tower body and a tower base, wherein the tower top is fixedly connected above the tower body, the suspension arm is horizontally and fixedly connected to the upper end of the tower body, the suspension arm trolley is arranged at the right end of the suspension arm, the high-strength structure component is fixedly connected below the suspension arm, the balancing weight is arranged at the left end of the suspension arm, the tower base is fixedly connected to the bottom of the tower body, the high-strength structure component comprises a supporting platform, a fixed connecting piece, a fastening frame, a connecting rod, a cross rod, a reinforcing rib and a clamping block, the supporting platform is fixedly connected to the upper surface of the fixed connecting piece, the supporting platform and the fastening frame are fixedly connected together through the connecting rod, the cross rod is arranged on one side of the fixed connecting piece, and the reinforcing rib is fixedly connected below the supporting platform, the utility model discloses a high strength structure subassembly, including strengthening rib, joint piece, davit, tower body, high strength structure subassembly, bracing piece upper end rigid coupling in supporting platform lower surface, joint piece rigid coupling in supporting platform upper surface, the high strength structure subassembly can cooperate the davit to carry out supplementary installation with the tower body fixed.

Further, the fixed connecting piece comprises a right-angle fixing plate, a fixing piece and a fixing bolt, the fixing piece is horizontally arranged on the right-angle inner side of the right-angle fixing plate, and the fixing bolt is arranged in a through hole formed in each of two ends of the fixing piece.

Furthermore, a plurality of clamping blocks are arranged above the working plane of the high-strength structural component, and the clamping blocks are installed and fixed by adopting the same installation height.

Furthermore, the fixed connecting piece is right-angled in shape, and the inner side of the fixed connecting piece is also right-angled.

Furthermore, the fixed connecting pieces are symmetrically arranged below the left end of the supporting platform, and the fixed connecting pieces are symmetrically arranged at the lower end of the fastening frame.

Furthermore, supporting platform installs in the davit lower surface, tower body four corners right angle limit department is all located to fixed connector.

Furthermore, the mounting direction of the fixing piece is oblique mounting, and the fixing piece is mounted along the symmetry axis of the right-angle fixing plate.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with high strength structure subassembly, can assist davit and body of the tower to carry out work, the structure of frame can disperse for the lever pressure that the davit received, alleviates the partial pressure that davit and body of the tower are connected, avoids appearing the too concentrated condition of pressure, simple structure, and simple to operate can prolong davit life, improves the stability of davit and body of the tower at work.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the overall structure schematic diagram of the high-strength structural assembly of the present invention.

Fig. 3 is the schematic view of the internal structure of the fixing connector of the present invention.

In the figure: the tower comprises a tower top 1, a boom 2, a boom trolley 3, a high-strength structural component 4, a balancing weight 5, a tower body 6, a tower base 7, a supporting platform 41, a fixed connecting piece 42, a fastening frame 43, a connecting rod 44, a cross rod 45, reinforcing ribs 46, a clamping block 47, a right-angle fixing plate 421, a fixing piece 422 and a fixing bolt 423.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides a high strength suspension arm assembly for a tower crane, comprising: the structure of the tower comprises a tower top 1, a suspension arm 2, a suspension arm trolley 3, a high-strength structural component 4, a balancing weight 5, a tower body 6 and a tower base 7, wherein the tower top 1 is fixedly connected above the tower body 6, the suspension arm 2 is horizontally and fixedly connected at the upper end of the tower body 6, the suspension arm trolley 3 is arranged at the right end of the suspension arm 2, the high-strength structural component 4 is fixedly connected below the suspension arm 2, the balancing weight 5 is arranged at the left end of the suspension arm 2, the tower base 7 is fixedly connected at the bottom of the tower body 6, the high-strength structural component 4 comprises a supporting platform 41, a fixed connecting piece 42, a fastening frame 43, a connecting rod 44, a cross rod 45, a reinforcing rib 46 and a clamping block 47, the supporting platform 41 is fixedly connected on the upper surface of the fixed connecting piece 42, the fastening frame 43 is fixedly connected on the upper surface of the fixed connecting piece 42, the supporting platform 41 and the fastening frame 43 are fixedly connected together by the connecting rod 44, the cross rod 45 is arranged on one side of the fixed connecting piece 42, the cross rod 45 can fix the position of the fixing connectors 42, the reinforcing rib 46 is fixedly connected below the supporting platform 41, the upper end of the reinforcing rib 46 is fixedly connected to the lower surface of the supporting platform 41, as shown in fig. 2, the lower end of the reinforcing rib 46 is fixedly connected to one side of the fixing connectors 42, the reinforcing rib 46 can connect the supporting platform 41 and the fixing connectors 42 together, the clamping block 47 is fixedly connected to the upper surface of the supporting platform 41, the high-strength structural component 4 assists and fixes the suspension arm 2 and the tower body 6, so as to enhance the structural stability of the joint of the suspension arm 2 and the tower body 6, the fixing connectors 42 comprise a right-angle fixing plate 421, a fixing member 422 and a fixing bolt 423, the fixing member 422 is horizontally installed at the right-angle inner side of the right-angle fixing plate 421, through holes perpendicular to the symmetry axis of the fixing member 422 are formed at both ends of the fixing member 422, the fixing bolt 423 is installed in the through holes formed at both ends of the fixing member 422, the inner side of the right angle fixing plate 421 is provided with a plurality of threaded holes for fixing bolts 423 to install and fix, the right angle fixing plate 421 is internally provided with a plurality of fixing parts 422, the fixing parts 422 are matched to vertically fix the right angle fixing plate 421 and the structural member of the tower body 6, the upper part of the working plane of the high-strength structural component 4 is provided with a plurality of joint blocks 47, the joint blocks 47 are all installed and fixed by adopting the same installation height, the joint blocks 47 can be fixed with the structural member of the suspension arm 2, the joint blocks 47 are symmetrically distributed at the two sides of the working plane of the high-strength structural component 4, the joint blocks 47 are equidistantly installed on the upper surface of the connecting rod 44, the appearance of the fixing connecting piece 42 is right angle, the inner sides of the fixing connecting piece 42 are also right angle, the fixing connecting piece 42 is symmetrically arranged below the left end of the supporting platform 41, the fixing connecting piece 42 is symmetrically arranged at the lower end of the fastening frame 43, fixed connector 42 right angle breach distributes inwards, fixed connector 42 can cooperate supporting platform 41, fastening frame 43, connecting rod 44, horizontal pole 45 cooperation to constitute frame construction, can assist fixedly to davit 2 and body of the tower 7, plays the stability of strengthening structure between davit 2 and the body of the tower 7, supporting platform 41 installs in davit 2 lower surface, 6 four corners right-angle sides departments of body of the tower are all located to fixed connector 42, as shown in fig. 3, mounting 422 installation direction is the slant installation, mounting 422 carries out the installation work along right angle fixed plate 421 axis of symmetry, mounting 422 cooperation right angle fixed plate 421 can carry out complete fixation to the structure surface in the body of the tower 7, makes right angle fixed plate 421 position height fix.

The utility model relates to a high strength davit subassembly that tower crane used's theory of operation:

when the high-strength suspension arm component for the tower crane is used, after the suspension arm and the tower body are structurally fixed, the high-strength structure component can be sequentially fixed at the joint of the suspension arm and the tower body, firstly, the fixed connecting pieces are symmetrically arranged below the left end of the supporting platform, and are symmetrically arranged below the fastening frame, the fixed connecting pieces are symmetrically arranged at the lower end of the fastening frame, as shown in figure 2, the mounting direction of the inner right-angle opening of the right-angle fixing plate arranged below the supporting platform is the same as the mounting direction of the left opening of the supporting platform, the mounting direction of the inner right-angle opening of the right-angle fixing plate arranged below the fastening frame is the same as the mounting direction of the right opening of the right-angle fixing plate arranged at the right side of the fastening frame, the right-angle fixing plates, the supporting platform and the fastening frame are connected together by welding, the right-angle openings in the right-angle fixing plates are matched to form a square structure, and then, the upper ends of the reinforcing ribs are fixed on the lower surface of the supporting platform by bolts, the lower ends of the reinforcing ribs are fixed on the outer surface of a right-angle fixing plate and a supporting platform through bolts once, the reinforcing ribs are fixedly connected to the outer surfaces of the supporting platform and the right-angle fixing plate at 45 degrees to play a role of auxiliary support, then a plurality of clamping blocks are symmetrically arranged on a working plane on the right side of the supporting platform, then the supporting platform with the right-angle fixing plate is placed below a lifting arm on the right side of a tower body in a vertical posture, the supporting platform is pushed towards one side of the tower body to ensure that a right-angle surface on the inner side of the right-angle fixing plate can be contacted with a structural member of the tower body, a fixing member is pre-fixed through fixing bolts, as shown in figure 3, the fixing member is obliquely arranged to tightly attach the structural member of the tower body and the right-angle fixing plate together to ensure that the right-angle fixing plate below the supporting platform can keep the height, and after the supporting platform is fixed, a fastening frame with the right-angle fixing plate is placed below the lifting arm on the left side of the tower body below the lifting arm in a vertical posture, fixing the fixing part and the right angle fixing plate above a tower body structural part through fixing bolts, adjusting the mounting height of a fastening frame of the right angle fixing plate to a position which is the same as the height of a supporting platform of the right angle fixing plate, pre-fixing, fixing a connecting rod with a clamping block between the fastening frame and the supporting platform, respectively clamping and fixing the connecting rod above the fastening frame and the supporting platform, and installing a cross rod at the lower ends of two sides of a right angle fixing plate below the fastening frame and the supporting platform, as shown in figure 2, the fixing connecting part, the supporting platform, the fastening frame, the connecting rod and the cross rod are matched to form a frame structure, so that the suspension arm and the tower body can be fixed in an auxiliary manner, the stability of the structure between the suspension arm and the tower body is enhanced, when the clamping block is contacted with the suspension arm structural part, the clamping block and the suspension arm structural part can be fixed together through the bolts, and the clamping block can transmit the force applied to the suspension arm to a high-strength structural component through rigid connection, absorb extra power by high strength structure subassembly, after the installation of high strength structure subassembly is accomplished, screw the fixing bolt in the fixed connection spare of fastening frame and supporting platform below respectively and fix, high strength structure subassembly installation debugging was accomplished this moment.

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 high strength davit subassembly that tower crane used, its structure includes top of the tower (1), davit (2), davit dolly (3), high strength structure subassembly (4), balancing weight (5), body of the tower (6), tower seat (7), its characterized in that:

the tower top (1) is fixedly connected above a tower body (6), the horizontal fixedly connected upper end of the tower body (6) is connected with the suspension arm (2), the suspension arm trolley (3) is arranged at the right end of the suspension arm (2), the high-strength structural component (4) is fixedly connected below the suspension arm (2), the balancing weight (5) is arranged at the left end of the suspension arm (2), the tower base (7) is fixedly connected at the bottom of the tower body (6), the high-strength structural component (4) comprises a supporting platform (41), a fixed connecting piece (42), a fastening frame (43), a connecting rod (44), a cross rod (45), a reinforcing rib (46) and a clamping block (47), the supporting platform (41) is fixedly connected on the upper surface of the fixed connecting piece (42), the fastening frame (43) is fixedly connected on the upper surface of the fixed connecting piece (42), the supporting platform (41) and the fastening frame (43) are fixedly connected together by the connecting rod (44), horizontal pole (45) are installed in fixed connector (42) one side, strengthening rib (46) rigid coupling in supporting platform (41) below, strengthening rib (46) upper end rigid coupling in supporting platform (41) lower surface, joint piece (47) rigid coupling in supporting platform (41) upper surface, high strength structure subassembly (4) can cooperate davit (2) and body of the tower (6) to carry out supplementary installation fixedly.

2. The high-strength boom assembly for a tower crane according to claim 1, wherein: the fixing connecting piece (42) comprises a right-angle fixing plate (421), a fixing piece (422) and a fixing bolt (423), the fixing piece (422) is horizontally arranged on the right-angle inner side of the right-angle fixing plate (421), and the fixing bolt (423) is arranged in through holes formed in two ends of the fixing piece (422).

3. The high-strength boom assembly for a tower crane according to claim 1, wherein: high strength structural component (4) work plane top is equipped with a plurality of joint piece (47), joint piece (47) all adopt same mounting height to install fixedly.

4. A high strength boom assembly for a tower crane as claimed in claim 1, wherein: the shape of the fixed connecting piece (42) is right-angle, and the inner side of the fixed connecting piece (42) is also right-angle.

5. The high-strength boom assembly for a tower crane according to claim 1, wherein: the fixed connecting pieces (42) are symmetrically arranged below the left end of the supporting platform (41), and the fixed connecting pieces (42) are symmetrically arranged at the lower end of the fastening frame (43).

6. The high-strength boom assembly for a tower crane according to claim 1, wherein: the supporting platform (41) is installed on the lower surface of the suspension arm (2), and the fixed connecting pieces (42) are arranged at the right-angle sides of the four corners of the tower body (6).

7. A high strength boom assembly for a tower crane as claimed in claim 2, wherein: the installation direction of the fixing piece (422) is oblique installation, and the fixing piece (422) is installed along the symmetry axis of the right-angle fixing plate (421).