CN215720032U

CN215720032U - Special bolt assembly for tower crane

Info

Publication number: CN215720032U
Application number: CN202121748141.3U
Authority: CN
Inventors: 潘旭鸣; 胡利勇; 刘惠国; 洪伟良; 朱豪能
Original assignee: Ningbo Haijinli High Strength Fastener Co ltd
Current assignee: Ningbo Haijinli High Strength Fastener Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-01
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to the technical field, and discloses a special bolt assembly for a tower crane, which comprises a connecting part arranged on the side wall of a tower crane support joint, a plurality of tower crane supports are connected through the connecting part, the connecting part comprises a fixed seat arranged on the supports, a screw is arranged in the fixed seat in a sliding manner, a first nut is arranged on the screw, a second nut is also arranged on the screw, the first nut and the second nut are connected through a connecting mechanism, the first nut and the second nut are directly additionally arranged on the first nut and the second nut through the connecting mechanism, so that the first nut and the second nut are connected through the connecting mechanism in addition to the screw, the connection tightness between the first nut and the second nut is improved, the screw and the fixed seat can be pre-fixed through additionally arranging a fixing mechanism between the screw and the fixed seat, the subsequent installation is convenient, meanwhile, the additional arrangement also facilitates the hole alignment of the screw and the fixed seat, the adjustment is not required to be carried out by manpower all the time.

Description

Special bolt assembly for tower crane

Technical Field

The utility model relates to the technical field, in particular to a special bolt assembly for a tower crane.

Background

Screw rod: mechanical parts, the cylindrical threaded fastener of adapted nut, a class of fastener that comprises head and fixing base (the cylinder that has the external screw thread) two parts need with the nut cooperation for two parts that have the through-hole of fastening connection, the screw rod is widely used in the aspect of the tower crane.

Because the screw rod subassembly of the tower crane usefulness uses the nut of plural number to install fixedly more, consequently need strengthen the joint strength between a plurality of nuts, make it difficult not hard up, in addition because the screw rod of tower crane usefulness is heavier, and the support need be to the hole during installation, for convenient to the hole, should add between screw rod and subassembly and establish fixed establishment in advance to convenient subsequent installation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special bolt assembly for a tower crane, which has the beneficial effects of strengthening and fixing a connecting mechanism and being provided with a pre-fixing mechanism for convenient installation, and solves the problem of strengthening the connecting strength among a plurality of nuts and ensuring that the nuts are not easy to loosen in the background technology.

The utility model provides the following technical scheme: a special bolt assembly for a tower crane comprises connecting parts arranged on the side walls of tower crane support sections, wherein a plurality of tower crane support sections are connected through the connecting parts;

the connecting component comprises a fixed seat arranged on a tower crane support section, a screw rod is arranged in the fixed seat in a sliding manner, a first nut is arranged on the fixed seat, a second nut is also arranged on the screw rod, and the first nut and the second nut are connected through a connecting mechanism;

the connecting mechanism comprises a rectangular block installed on a first nut, a second rectangular groove is formed in a second nut, the rectangular block is installed in the second rectangular groove in a sliding mode, a sliding groove is formed in the rectangular block, a limiting block is installed in the sliding groove in a sliding mode, the limiting block is connected with the rectangular block through a second spring, a limiting groove is formed in the second nut, and the limiting groove is communicated with the second rectangular groove.

As an alternative of the special bolt assembly for the tower crane, the utility model provides the following technical scheme: the connecting mechanism further comprises a convex column arranged in the sliding groove, the convex column is arranged on the rectangular block, a circular groove is formed in the limiting block, and the convex column is slidably arranged in the circular groove.

As an alternative of the special bolt assembly for the tower crane, the utility model provides the following technical scheme: still be provided with fixed establishment between screw rod and the fixing base, fixed establishment is including installing the lug on the screw rod, set up the recess on the fixing base, lug slidable mounting is in the recess.

As an alternative of the special bolt assembly for the tower crane, the utility model provides the following technical scheme: the fixing mechanism further comprises a first rectangular groove formed in the fixing base, the first rectangular groove is communicated with the groove, a trapezoidal block is slidably mounted in the first rectangular groove, and the trapezoidal block is connected with the fixing base through a first spring.

As an alternative of the special bolt assembly for the tower crane, the utility model provides the following technical scheme: still be provided with stabilizing mean in the rectangular channel, stabilizing mean is including setting up the guide pillar in the rectangular channel, the guide pillar is installed on the fixing base, the guide way has been seted up on the trapezoidal piece, guide pillar slidable mounting is in the guide way.

As an alternative of the special bolt assembly for the tower crane, the utility model provides the following technical scheme: the guide pillar and the guide way are all provided with a plurality of, and a plurality of guide pillars are different in size, and guide pillar and guide way looks adaptation.

The utility model has the following beneficial effects:

1. this special bolt assembly of tower crane directly adds through first nut and second nut and establishes coupling mechanism for first nut and second nut still connect through coupling mechanism outside through the screw rod is connected itself, the connection compactness between first nut and the second nut that improves.

2. This special bolt assembly of tower crane through adding between screw rod and fixing base and establishing fixed establishment, can advance fixedly to screw rod and fixing base to convenient subsequent installation, simultaneously because the screw rod is slightly heavy, add and establish also make things convenient for screw rod and fixing base to hole, need not to rely on the manpower to adjust always.

Drawings

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

Fig. 2 is a partial cross-sectional view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of fig. 3 at B.

FIG. 5 is a partial enlarged view of the portion C in FIG. 3

In the figure: 1. tower crane support sections; 2. a connecting member; 21. a fixed seat; 22. a screw; 23. a first nut; 24. a second nut; 5. a fixing mechanism; 51. a bump; 52. a groove; 53. a first rectangular groove; 54. a trapezoidal block; 55. a first spring; 6. a stabilizing mechanism; 61. a guide post; 62. a guide groove; 7. a connecting mechanism; 71. a rectangular block; 72. a second rectangular groove; 73. a limiting block; 74. a limiting groove; 75. a chute; 76. a circular groove; 77. a second spring; 78. a convex column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-5, a special bolt assembly for a tower crane comprises a connecting part 2 arranged on the side wall of a tower crane support section 1, wherein a plurality of tower crane support sections 1 are connected through the connecting part 2;

the connecting part 2 comprises a fixed seat 21 arranged on the tower crane support section 1, a screw 22 is slidably arranged in the fixed seat 21, a first nut 23 is arranged on the fixed seat 21, a second nut 24 is also arranged on the screw 22, and the first nut 23 and the second nut 24 are connected through a connecting mechanism 7;

coupling mechanism 7 is including installing rectangular block 71 on first nut 23, rectangular channel 72 has been seted up on second nut 24, rectangular block 71 slidable mounting is in rectangular channel 72, spout 75 has still been seted up on rectangular block 71, slidable mounting has stopper 73 in the spout 75, stopper 73 is connected with rectangular block 71 through second spring 77, stopper 74 has still been seted up in second nut 24, and stopper 74 and rectangular channel 72 are linked together, coupling mechanism 7 is still including setting up the projection 78 in spout 75, and projection 78 installs on rectangular block 71, circular slot 76 has been seted up in the stopper 73, projection 78 slidable mounting is in circular slot 76.

In this embodiment:

and (3) strengthening connection: present tower crane is a festival, the installation of being convenient for, tower crane support festival 1 is the festival of present tower crane promptly, a plurality of tower crane support festival 1 forms through adapting unit 2 equipment, when the equipment tower crane, earlier splice a plurality of tower crane support festival 1, then insert screw rod 22 in fixing base 21, fix screw rod 22 in fixing base 21 through first nut 23 and second nut 24, accomplish the fixed connection between a plurality of tower crane support festival 1, in order to strengthen first nut 23 and the direct connection compactness of second nut 24, be provided with coupling mechanism 7 between first nut 23 and second nut 24, when first nut 23 and second nut 24 are close to each other, install in rectangular block 71 on first nut 23 can peg graft into the rectangular channel 72 of seting up on second nut 24, thereby improve the tight degree of connection between first nut 23 and the second nut 24.

The effect is improved: because the tightness improved by only depending on the mutual matching of the rectangular block 71 and the second rectangular groove 72 is limited, the rectangular block 71 is provided with a sliding groove 75, the sliding groove 75 is internally provided with a limit block 73, the limit block 73 is connected with the rectangular block 71 through a second spring 77, one end of the second spring 77 is arranged on the limit block 73, the other end of the second spring 77 is arranged on the rectangular block 71, the second nut 24 is internally provided with a limit groove 74, the limit groove 74 is communicated with the second rectangular groove 72, when the rectangular block 71 is inserted into the second rectangular groove 72, the limit block 73 is firstly slid into the sliding groove 75 and extrudes the second spring 77 by the interference of the second nut 24, when the rectangular block 71 is close to the limit groove 74, the limit block 73 is not interfered by the second nut 24 any more so that the second spring 77 releases elastic potential energy to slide the limit block 73 in the direction far away from the sliding groove 75, and further the limit block 73 can be inserted into the limit groove 74, the tightness of the connection of the second nut 24 with the first nut 23 is further improved.

And (3) stable sliding: in order to make the limiting block 73 more stable in sliding, a convex column 78 is arranged in the sliding groove 75, a circular groove 76 is formed in the limiting block 73, and the convex column 78 is slidably arranged in the circular groove 76, so that the limiting block 73 is more stable in sliding.

Convenient dismantlement: one side of the limiting block 73 is provided with an inclined surface, so that when the first nut 23 and the second nut 24 are separated, the limiting block 73 can conveniently slide into the sliding groove 75, and the detachment is convenient.

Example 2

The embodiment is an improvement made on the basis of embodiment 1, specifically referring to fig. 1-5, a fixing mechanism 5 is further disposed between the screw 22 and the fixing seat 21, the fixing mechanism 5 includes a protrusion 51 mounted on the screw 22, the fixing seat 21 is provided with a groove 52, the protrusion 51 is slidably mounted in the groove 52, the fixing mechanism 5 further includes a first rectangular groove 53 formed on the fixing seat 21, the first rectangular groove 53 is communicated with the groove 52, a trapezoidal block 54 is slidably mounted in the first rectangular groove 53, the trapezoidal block 54 is connected with the fixing seat 21 through a first spring 55, a stabilizing mechanism 6 is further disposed in the first rectangular groove 53, the stabilizing mechanism 6 includes a guide post 61 disposed in the first rectangular groove 53, the guide post 61 is mounted on the fixing seat 21, the trapezoidal block 54 is provided with a guide groove 62, the guide post 61 is slidably mounted in the guide groove 62, the guide posts 61 and the guide grooves 62 are both provided with a plurality of guide posts 61, the guide posts 61 are different in length, and the guide posts 61 are matched with the guide grooves 62.

In this embodiment:

pre-fixing: in order to fix the fixing seat 21 and the screw rod 22 conveniently, the fixing mechanism 5 for pre-fixing is arranged between the fixing seat 21 and the screw rod 22, the screw rod 22 is provided with the convex block 51, the fixing seat 21 is provided with the groove 52, and the convex block 51 can be inserted into the groove 52, so that the purpose of directly pre-fixing the fixing seat 21 and the screw rod 22 is achieved, and subsequent installation work is facilitated.

And (3) strengthening connection: still seted up first rectangular channel 53 in fixing base 21, slidable mounting has trapezoidal piece 54 in first rectangular channel 53, trapezoidal piece 54 is connected with fixing base 21 through first spring 55, and the one end of first spring 55 is installed on fixing base 21, the other end is installed on trapezoidal piece 54, when lug 51 inserts recess 52, lug 51 can contradict trapezoidal piece 54 and slide to first rectangular channel 53, thereby extrude first spring 55 and make first spring 55 save elastic potential energy, and produce reverse thrust and promote trapezoidal piece 54 and contradict lug 51, and then reach the mesh of boosting connection.

And (3) stability is improved: the stabilizing mechanism 6 is further arranged in the first rectangular groove 53, the guide post 61 is mounted on the fixed seat 21, the guide groove 62 is formed in the trapezoidal block 54, and the guide post 61 is slidably mounted in the guide groove 62, so that the purpose of improving stability is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a special bolt assembly of tower crane which characterized in that: the tower crane support joint structure comprises connecting parts (2) arranged on the side walls of tower crane support joints (1), wherein a plurality of tower crane support joints (1) are connected through the connecting parts (2);

the connecting component (2) comprises a fixing seat (21) installed on the tower crane support section (1), a screw rod (22) is installed in the fixing seat (21) in a sliding mode, a first nut (23) is installed on the fixing seat (21), a second nut (24) is further installed on the screw rod (22), and the first nut (23) and the second nut (24) are connected through a connecting mechanism (7);

coupling mechanism (7) is including installing rectangular block (71) on first nut (23), second rectangular channel (72) have been seted up on second nut (24), rectangular block (71) slidable mounting is in second rectangular channel (72), spout (75) have still been seted up on rectangular block (71), slidable mounting has stopper (73) in spout (75), stopper (73) are connected with rectangular block (71) through second spring (77), spacing groove (74) have still been seted up in second nut (24), and spacing groove (74) and second rectangular channel (72) are linked together.

2. The special bolt assembly for the tower crane according to claim 1, wherein: the connecting mechanism (7) further comprises a convex column (78) arranged in the sliding groove (75), the convex column (78) is installed on the rectangular block (71), a circular groove (76) is formed in the limiting block (73), and the convex column (78) is installed in the circular groove (76) in a sliding mode.

3. The special bolt assembly for the tower crane according to claim 1, wherein: still be provided with fixed establishment (5) between screw rod (22) and fixing base (21), fixed establishment (5) are including installing lug (51) on screw rod (22), seted up recess (52) on fixing base (21), lug (51) slidable mounting is in recess (52).

4. The special bolt assembly for the tower crane according to claim 3, wherein: the fixing mechanism (5) further comprises a first rectangular groove (53) formed in the fixing seat (21), the first rectangular groove (53) is communicated with the groove (52), a trapezoidal block (54) is slidably mounted in the first rectangular groove (53), and the trapezoidal block (54) is connected with the fixing seat (21) through a first spring (55).

5. The special bolt assembly for the tower crane according to claim 4, wherein: still be provided with stabilizing mean (6) in first rectangular channel (53), stabilizing mean (6) is including setting up guide pillar (61) in first rectangular channel (53), guide pillar (61) are installed on fixing base (21), guide way (62) have been seted up on trapezoidal piece (54), guide pillar (61) slidable mounting is in guide way (62).

6. The special bolt assembly for the tower crane according to claim 5, wherein: the guide posts (61) and the guide grooves (62) are all provided with a plurality of guide posts (61), the guide posts (61) are different in length, and the guide posts (61) are matched with the guide grooves (62).