CN214780397U

CN214780397U - Crane for building construction

Info

Publication number: CN214780397U
Application number: CN202120290387.4U
Authority: CN
Inventors: 陈燕
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Bobo Transportation Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-19
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to the technical field of cranes, and discloses a crane for building construction, which comprises a crane body, a chassis is fixedly connected with the top surface of a crane body box body, one end of the chassis is fixedly connected with a vertical mounting plate, the top end of the mounting plate is rotatably connected with a crane arm, the middle part of the crane arm is movably and slidably connected with a support rod, the inner end of the support rod is rotatably connected with the joint of the chassis and the mounting plate, one side of the support rod is in through connection with a limit bolt, the outer part of the limit bolt is movably connected with a limit rod, one end of the limit rod is in threaded connection with the mounting plate, the middle part of the crane arm is provided with a transverse chute, the inner side surface of the chute is provided with a mounting groove, the inside of the mounting groove is fixedly connected with a spring, the outer end of the spring is fixedly connected with a stop block, one side of the stop block is movably connected with the support rod, the inner side surface of the stop block is fixedly connected with a contraction device, one end of the support rod is rotatably connected with a connecting cap, the utility model discloses a possess the higher grade advantage of security, solved the security problem relatively poor usually.

Description

Crane for building construction

Technical Field

The utility model relates to a crane technical field specifically is a crane that construction used.

Background

A multi-action hoisting machine, also called a crane, for vertically lifting and horizontally carrying heavy objects within a certain range; belongs to material handling machinery; the crane is characterized by making intermittent movement, namely, corresponding mechanisms for taking materials, transporting, unloading and the like in a working cycle work alternately; the safety of the existing crane structure is generally poor, and the situations of crane arm bending and the like are easy to happen.

Therefore, it is necessary to provide a crane for building construction to solve the above technical problems.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a crane that construction used possesses the higher grade advantage of security, has solved the generally relatively poor problem of security.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a crane for building construction comprises a crane body, wherein the top surface of a crane body box body is fixedly connected with a chassis, one end of the chassis is fixedly connected with a vertical mounting plate, the top end of the mounting plate is rotatably connected with a crane arm, the middle part of the crane arm is movably and slidably connected with a support rod, and the inner end of the support rod is rotatably connected to the joint of the chassis and the mounting plate;

one side of the supporting rod is in through connection with a limiting bolt, the limiting bolt is movably connected with a limiting rod outside, and one end of the limiting rod is in threaded connection with the mounting plate.

Further, horizontal spout has been seted up at crane arm middle part, the mounting groove has been seted up to the spout medial surface, the inside fixedly connected with spring of mounting groove, spring outer end fixedly connected with dog, the scarf is seted up to dog one side, dog one side swing joint in bracing piece, dog medial surface fixedly connected with constriction device.

Furthermore, bracing piece one end is rotated and is connected with the connection cap, connect cap bottom fixedly connected with spacing cylinder, flat notch has been seted up to spacing cylinder one side, spacing cylinder swing joint is in the dog.

Furthermore, one side of the support rod is fixedly connected with a hydraulic rod, and one end, far away from the support rod, of the hydraulic rod is fixedly connected to the top end of the mounting plate.

Furthermore, an inner groove II is formed in the limiting bolt, a spring II is fixedly connected to the inner part of the inner groove II, and a triangular limiting block is fixedly connected to the outer end of the spring;

the slide groove has been seted up at the gag lever post middle part, a plurality of triangular groove has been seted up to the slide groove both sides, the inside swing joint in triangle stopper of triangular groove, gag lever post one end set up threaded hole.

Furthermore, a plurality of mounting holes are formed in the middle of the base plate, a fixed support frame is fixedly connected to the middle of the base plate, and one end of the fixed support frame is fixedly connected to the top end of the mounting plate;

the mounting panel one side fixed mounting has the motor, motor fixedly connected with drive chain, the drive chain runs through in the crane arm, and fixedly connected with crane colludes.

Compared with the prior art, the utility model provides a crane that construction used possesses following beneficial effect:

the utility model discloses at first through the chassis with the whole fixed mounting of crane in the inside in carriage, at the middle part of mounting panel and the middle part fixedly connected with support frame on chassis again, improved overall stability, reduced because the probability of equipment emergence accident of buckling, carried out horizontal spacing to the gag lever post through the triangle spacing groove at the middle part of bracing piece, at the middle part fixed mounting dog of crane arm, can effectively avoid equipment to slide down suddenly, the security that improve equipment used reduces the incident and takes place.

Drawings

FIG. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the stop lever of the present invention;

FIG. 3 is a schematic view of the internal structure of the crane arm of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention;

fig. 5 is a schematic partial structure diagram of the portion B in fig. 2 according to the present invention.

Wherein: 1. a vehicle body; 2. a chassis; 21. mounting holes; 22. a support frame; 3. mounting a plate; 31. a motor; 32. a drive chain; 33. a crane hook; 4. a crane arm; 41. a chute; 42. mounting grooves; 43. a spring; 44. a stopper; 45. a bevel notch; 5. a support bar; 51. a connecting cap; 52. a limiting cylinder; 53. flat cutting; 54. a hydraulic lever; 6. a limit bolt; 61. a second inner groove; 62. a second spring; 63. a triangular limiting block; 7. a limiting rod; 71. a sliding groove; 72. a triangular groove; 73. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-5, a crane for building construction comprises a crane body 1, a chassis 2 fixedly connected to the top surface of the crane body 1, a plurality of mounting holes 21 formed in the middle of the chassis 2, a fixing support frame 22 fixedly connected to the middle of the chassis 2, and one end of the fixing support frame 22 fixedly connected to the top end of the mounting plate 3.

2 one end fixedly connected with vertical mounting panel 3 on chassis, 3 one side fixedly mounted of mounting panel have motor 31, and motor 31 fixedly connected with drive chain 32, drive chain 32 run through in crane arm 4, and fixedly connected with crane colludes 33.

The top end of the mounting plate 3 is rotatably connected with a crane arm 4, a transverse sliding groove 41 is formed in the middle of the crane arm 4, a mounting groove 42 is formed in the inner side surface of the sliding groove 41, a spring 43 is fixedly connected inside the mounting groove 42, a stop block 44 is fixedly connected to the outer end of the spring 43, a diagonal cut 45 is formed in one side of the stop block 44, one side of the stop block 44 is movably connected to the support rod 5, and a contraction device is fixedly connected to the inner side surface of the stop block 44.

4 middle part swing joint of crane arm has

bracing piece

5, 5 inner rotations of bracing piece are connected in chassis 2 and mounting panel 3 junction, 5 one ends of bracing piece are rotated and are connected with connecting cap 51, connect cap 51 bottom fixedly connected with spacing cylinder 52, flat notch 53 has been seted up to spacing cylinder 52 one side, spacing cylinder 52 swing joint in dog 44, bracing piece 5 one side fixedly connected with

hydraulic stem

54, 5 one end fixed connection in mounting panel 3 tops of bracing piece are kept away from to hydraulic stem 54.

One side of the supporting rod 5 is in through connection with a limiting bolt 6, an inner groove II 61 is formed in the limiting bolt 6, a spring II 62 is fixedly connected inside the inner groove II 61, and a triangular limiting block 63 is fixedly connected to the outer end of the spring II 62.

The outside swing joint of stop cock 6 has

gag lever post

7, and 7 one end threaded connection of gag lever post have mounting panel 3, and sliding tray 71 has been seted up at gag lever post 7 middle part, and a plurality of triangular groove 72 has been seted up to sliding tray 71 both sides, and the inside swing joint in triangle stopper 63 of

triangular groove

72, and 7 one ends of gag lever post have seted up threaded hole 73.

When the device is used, firstly, workers in the field open the vehicle body 1 to a working place, then movably install the limiting rod 7 at the top end of the mounting plate 3 through the threaded hole 73 at one end, movably connect the other end of the limiting rod to the limiting bolt 6, and open the contraction device at the inner end of the stop block 44, so that the device can be operated through the hydraulic rod 54, and the overall safety of the device is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A crane for building construction, comprising a vehicle body (1), characterized in that: the top surface of a box body of the vehicle body (1) is fixedly connected with a chassis (2), one end of the chassis (2) is fixedly connected with a vertical mounting plate (3), the top end of the mounting plate (3) is rotatably connected with a crane arm (4), the middle part of the crane arm (4) is movably and slidably connected with a support rod (5), and the inner end of the support rod (5) is rotatably connected with the joint of the chassis (2) and the mounting plate (3);

bracing piece (5) one side through connection has spacing bolt (6), spacing bolt (6) outside swing joint has gag lever post (7), gag lever post (7) one end threaded connection is in mounting panel (3).

2. The hoist for construction according to claim 1, wherein: horizontal spout (41) have been seted up at crane arm (4) middle part, mounting groove (42) have been seted up to spout (41) medial surface, inside fixedly connected with spring (43) of mounting groove (42), spring (43) outer end fixedly connected with dog (44), scarf (45) have been seted up to dog (44) one side, dog (44) one side swing joint in bracing piece (5), dog (44) medial surface fixedly connected with constriction device.

3. The hoist for construction according to claim 1, wherein: bracing piece (5) one end is rotated and is connected with connection cap (51), connect cap (51) bottom fixedly connected with spacing cylinder (52), flat notch (53) have been seted up to spacing cylinder (52) one side, spacing cylinder (52) swing joint in dog (44).

4. The hoist for construction according to claim 1, wherein: and one side of the support rod (5) is fixedly connected with a hydraulic rod (54), and one end, far away from the support rod (5), of the hydraulic rod (54) is fixedly connected to the top end of the mounting plate (3).

5. The hoist for construction according to claim 1, wherein: an inner groove II (61) is formed in the limiting bolt (6), a spring II (62) is fixedly connected to the inner part of the inner groove II (61), and a triangular limiting block (63) is fixedly connected to the outer end of the spring II (62);

sliding tray (71) have been seted up at gag lever post (7) middle part, a plurality of triangular groove (72) have been seted up to sliding tray (71) both sides, the inside swing joint in triangle stopper (63) of triangular groove (72), screw hole (73) are seted up to gag lever post (7) one end.

6. The hoist for construction according to claim 1, wherein: a plurality of mounting holes (21) are formed in the middle of the chassis (2), a fixed support frame (22) is fixedly connected to the middle of the chassis (2), and one end of the fixed support frame (22) is fixedly connected to the top end of the mounting plate (3);

mounting panel (3) one side fixed mounting has motor (31), motor (31) fixedly connected with drive chain (32), drive chain (32) run through in crane arm (4), and fixedly connected with crane colludes (33).