CN213834316U

CN213834316U - Heavy tower crane round pin axle installation device

Info

Publication number: CN213834316U
Application number: CN202022774150.1U
Authority: CN
Inventors: 董朱良; 印卫东; 朱岑宇
Original assignee: Zhangjiagang Zhonglian Construction Machinery Co ltd
Current assignee: Zhangjiagang Zhonglian Construction Machinery Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-30
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a heavy tower crane pin shaft installation device, which comprises a main chord member, one side of the main chord member is provided with a joint, the inside of the joint is embedded and connected with a positioning rod, one end of the positioning rod is penetrated inside the main chord member, the main chord member and the inside of the joint are connected with a pin shaft, the inside of the pin shaft is provided with a positioning hole, the inside of the positioning hole is embedded and connected with a positioning pin, the two sides of one end of the pin shaft are positioned on the main chord member and provided with a protective lug plate, one end of the pin shaft is provided with a positioning groove, one end of the pin shaft is fixedly connected with an installation seat, the utility model can remove the shaft shoulder of the pin shaft and adopts a chamfer design at the two ends of the pin shaft, thereby connecting the pin shaft with the main chord member and the joint from different directions, when the pin shaft is dismounted on a working platform, the pin shaft is provided with the installation seat and a traction rope, thereby improving the safety when dismantling when making things convenient for the staff to dismantle the round pin axle.

Description

Heavy tower crane round pin axle installation device

Technical Field

The utility model relates to a heavy tower crane round pin axle installation device belongs to tower crane installation technical field.

Background

The tower crane is the most common hoisting equipment on the construction site, also known as the tower crane, which is lengthened (high) section by section and used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, is an essential equipment on the construction site, and has certain scientific significance on the development of the tower crane industry from the development of the tower crane industry, wherein the industry is highly related to national economy, buildings/real estate and the development trend of the national economy trend and the real estate industry.

The tower body of tower crane needs to use more screw rods and round pin axle when connecting, large-scale tower body is in order to guarantee the hookup reliability, adopt the comparison of round pin axle hookup more, simultaneously for guaranteeing hookup intensity, adopt tighter cooperation, at present when using the round pin axle to fix the main chord member, the people need inwards install the round pin axle on the set frame platform, when tearing open the tower, the people must outwards tear the round pin axle outside in the tower body inside, because the design demand, there is operation safety risk inside not having the operation platform, and when the use tool was pulled down the round pin axle, the round pin axle does not have fixing device, it drops downwards easily after the round pin axle is taken out in knocking, cause the incident easily, consequently, need improve above defect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy tower crane round pin axle installation device, through the shaft shoulder of cancellation round pin axle to adopt the chamfer design at round pin axle both ends, thereby can follow different directions and will sell axle and main chord member, articulate, when pulling down, the staff can dismantle the round pin axle on work platform incasement, sell epaxial mount pad and haulage rope that is equipped with, thereby improve the security when dismantling when making things convenient for the staff to dismantle the round pin axle, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a heavy tower crane pin shaft installation device, includes the main chord member, main chord member one side is equipped with the joint, the inside embedding of joint is connected with the locating lever, locating lever one end run through in inside the main chord member, the main chord member with the inside through connection of joint has the round pin axle, the locating hole has been seted up to the round pin axle inside, the inside embedding of locating hole is connected with the locating pin, round pin axle one end both sides are located be equipped with the protection otic placode on the main chord member, the constant head tank has been seted up to round pin axle one end fixedly connected with mount pad, the inside embedding of mount pad is connected with the screw rod, the screw rod top is equipped with fixing base one, the inside fixedly connected with haulage rope of fixing base one, the haulage rope top is connected with fixing base two.

Furthermore, both ends of the pin shaft are arranged in a chamfer manner, the diameters of both ends of the pin shaft are smaller than the diameter of the center of the pin shaft, and the pin shaft is arranged inside the main chord and the joint in a sliding connection manner.

Furthermore, the lug plates are two groups and are symmetrically distributed on two sides of one end of the pin shaft, the positioning holes identical to the positioning holes in the pin shaft are formed in the lug plates, and the positioning pins penetrate through the pin shaft and the lug plates.

Furthermore, the number of the positioning grooves is two and the positioning grooves are symmetrically distributed on two sides of one end of the pin shaft.

Furthermore, the screw rod external connection has the nut, the inside through-hole of holding the screw rod passes through of seting up of mount pad.

Furthermore, the traction rope is made of a steel wire rope, a fixed shaft is arranged inside the first fixed seat and the second fixed seat, and the traction rope is sleeved outside the fixed shaft.

The utility model has the advantages that:

1. through the epaxial shaft shoulder cancellation of round pin, and adopt the chamfer design at round pin axle both ends, thereby make round pin axle both ends all can remove the dismantlement, when will selling the axle and install on the main chord member, can use the instrument to beat round pin axle and get into inside main chord member and the joint, if when selling epaxial locating hole and the locating hole dislocation on the protection otic placode, can use the instrument to beat epaxial constant head tank of round pin, when beating the constant head tank, the round pin axle can rotate on the main chord member, thereby will sell epaxial locating hole and the locating hole on the protection otic placode and align, conveniently insert the locating pin inside with the locating hole of fixed pin axle of locating hole.

2. Through setting up mount pad and haulage rope in round pin axle one end, when dismantling the round pin axle, take off the locating pin from selling epaxially earlier, screw up the screw rod inside the mount pad, then use the instrument to strike the round pin axle on work platform promptly the body of the tower outside is inside, thereby can make the staff can carry out construction operation on work platform, avoid operating in the past in the inside no work platform's of body of the tower position, thereby the security of staff's construction has been improved greatly, and sell epaxial screw rod and haulage rope and can strike the round pin axle and take off the back, pull the round pin axle, thereby prevent that the round pin axle from droing from the body of the tower, effectively protect the personal security shape below the body of the tower, reduce accident's emergence.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a cross-sectional view of the pin shaft installation device of a heavy tower crane of the present invention;

FIG. 2 is a perspective view of a pin shaft of the heavy tower crane pin shaft installation device of the present invention;

FIG. 3 is an enlarged view of the area A of the pin shaft installation device of the heavy tower crane of the present invention;

reference numbers in the figures: 1. a main chord; 2. a joint; 3. positioning a rod; 4. a pin shaft; 5. positioning holes; 6. positioning pins; 7. protecting the ear plate; 8. positioning a groove; 9. a mounting seat; 10. a screw; 11. a first fixed seat; 12. a hauling rope; 13. a second fixed seat; 14. and fixing the shaft.

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. 1-3, the present invention provides a technical solution:

the utility model provides a heavy tower crane pin shaft installation device, includes

main chord member

1, 1 one side of main chord member is equipped with joint 2, the inside embedding of joint 2 is connected with locating

lever

3, 3 one ends of locating lever run through in 1 inside of main chord member, main chord member 1 with 2 inside through connection of joint has round pin axle 4, round pin axle 4 is inside to have seted up locating hole 5, the inside embedding of locating hole 5 is connected with locating

6, 4 one end both sides of round pin axle are located be equipped with protection otic placode 7 on the

main chord member

1, 4 one ends of round pin axle have seted up

constant head tank

8, 4 one end fixedly connected with mount pad 9 of round pin axle, the inside embedding of mount pad 9 is connected with screw rod 10, screw rod 10 top is equipped with fixing base one 11, the inside fixedly connected with haulage rope 12 of fixing base one 11, haulage rope 12 top is connected with fixing base two 13.

Specifically, as shown in fig. 2, both ends of the pin shaft 4 are chamfered, the diameter of both ends of the pin shaft 4 is smaller than the central diameter of the pin shaft 4, and the pin shaft 4 is slidably connected inside the main chord 1 and the joint 2.

Specifically, as shown in fig. 1 and 2, the protection ear plates 7 are two groups and are symmetrically distributed on two sides of one end of the pin shaft 4, the same positioning holes 5 are formed in the protection ear plates 7 and the pin shaft 4, and the positioning pins 6 penetrate through the pin shaft 4 and the protection ear plates 7.

Specifically, as shown in fig. 2, the number of the positioning grooves 8 is two and the positioning grooves are symmetrically distributed on two sides of one end of the pin 4.

Specifically, as shown in fig. 3, a nut is connected to the exterior of the screw 10, and a through hole for accommodating the screw 10 is formed in the mounting seat 9.

Specifically, as shown in fig. 1, the hauling cable 12 is made of a steel wire rope, a fixed shaft 14 is arranged inside the first fixed seat 11 and the second fixed seat 13, and the hauling cable 12 is sleeved outside the fixed shaft 14.

The utility model discloses the theory of operation: when the pin shaft 4 is required to be installed on the main chord member 1, the pin shaft 4 can be knocked into the main chord member 1 and the joint 2 by using a tool, if the positioning hole 5 in the pin shaft 4 is staggered with the positioning hole 5 in the protective ear plate 7, the positioning groove 8 in the pin shaft 4 can be knocked by using the tool, and when the positioning groove 8 is knocked, the pin shaft 4 can rotate on the main chord member 1, so that the positioning hole 5 in the pin shaft 4 is aligned with the positioning hole 5 in the protective ear plate 7, and the positioning pin 6 is conveniently inserted into the positioning hole 5 to fix the pin shaft 4; when dismantling round pin axle 4, take off locating pin 6 from round pin axle 4 earlier, screw up screw rod 10 inside mount pad 9, then use the instrument on work platform promptly the body of the tower outside inwards strikes round pin axle 4, thereby can make the staff can carry out the construction operation on work platform, avoid operating in the past at the inside no work platform's of body of the tower position, thereby the security of staff's construction has been improved greatly, and the epaxial screw rod 10 of round pin axle 4 and haulage rope 12 can be knocking round pin axle 4 and take off the back, pull round pin axle 4, thereby prevent that round pin axle 4 from droing from the body of the tower.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a heavy tower crane round pin axle installation device, includes main chord member (1), its characterized in that: a joint (2) is arranged on one side of the main chord member (1), a positioning rod (3) is embedded and connected in the joint (2), one end of the positioning rod (3) penetrates through the main chord member (1), a pin shaft (4) is connected in the main chord member (1) and the joint (2) in a penetrating manner, a positioning hole (5) is formed in the pin shaft (4), a positioning pin (6) is embedded and connected in the positioning hole (5), two sides of one end of the pin shaft (4) are positioned on the main chord member (1) and provided with a protective lug plate (7), a positioning groove (8) is formed in one end of the pin shaft (4), one end of the pin shaft (4) is fixedly connected with a mounting seat (9), a screw rod (10) is embedded and connected in the mounting seat (9), a first fixing seat (11) is arranged above the screw rod (10), and a traction rope (12) is fixedly connected in the first fixing seat (11), and a second fixed seat (13) is connected above the traction rope (12).

2. The heavy tower crane pin shaft mounting device of claim 1, characterized in that: the two ends of the pin shaft (4) are both arranged in a chamfer mode, the diameter of the two ends of the pin shaft (4) is smaller than the diameter of the center of the pin shaft (4), and the pin shaft (4) is arranged inside the main chord member (1) and the joint (2) in a sliding connection mode.

3. The heavy tower crane pin shaft mounting device of claim 1, characterized in that: the protection ear plates (7) are two groups and are symmetrically distributed on two sides of one end of the pin shaft (4), the protection ear plates (7) are internally provided with the positioning holes (5) which are the same as the pin shaft (4), and the positioning pins (6) penetrate through the pin shaft (4) and the inside of the protection ear plates (7).

4. The heavy tower crane pin shaft mounting device of claim 1, characterized in that: the number of the positioning grooves (8) is two, and the positioning grooves are symmetrically distributed on two sides of one end of the pin shaft (4).

5. The heavy tower crane pin shaft mounting device of claim 1, characterized in that: the screw rod (10) is externally connected with a nut, and a through hole for accommodating the screw rod (10) to pass through is formed in the mounting seat (9).

6. The heavy tower crane pin shaft mounting device of claim 1, characterized in that: the traction rope (12) is made of a steel wire rope, a fixed shaft (14) is arranged inside the first fixing seat (11) and the second fixing seat (13), and the traction rope (12) is sleeved outside the fixed shaft (14).