CN211687944U - Tilting device that lifting hook was used behind tower machine - Google Patents
Tilting device that lifting hook was used behind tower machine Download PDFInfo
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- CN211687944U CN211687944U CN201922301164.9U CN201922301164U CN211687944U CN 211687944 U CN211687944 U CN 211687944U CN 201922301164 U CN201922301164 U CN 201922301164U CN 211687944 U CN211687944 U CN 211687944U
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Abstract
A tilting device that lifting hook was used behind tower machine includes: the rear lifting hook frame comprises a frame body and a tension spring mounting part, wherein the frame body is mounted at the lifting end of the tower crane and used for mounting the hook body connecting frame; the tension spring mounting part is arranged at the bottom of the frame body and used for mounting a tension spring; the hook body connecting frame is arranged below the frame body and comprises a connecting frame body and a rear lifting hook group, the upper end of the connecting frame body is hinged to the frame body, and the rear lifting hook group is installed at the bottom of the connecting frame body; and the tension spring is arranged between the frame body of the rear hook hanger and the hook body connecting frame, the first end of the tension spring is connected with the tension spring mounting part of the rear hook hanger, and the second end of the tension spring is connected with the side surface, located on the rear hook assembly gap, of the hook body connecting frame, so that the rear hook assembly inclines towards the tension spring. The utility model has the advantages that: simple structure, simple to operate, and the hook body link adjusts the slope of hook body link according to the weight of hanging the heavy object of carrying, finally is in the vertical state, has guaranteed simultaneously that the hoist cable hangs back lifting hook stout position, makes the stress position more suitable.
Description
Technical Field
The utility model relates to a tilting gear that lifting hook was used behind tower machine belongs to the tower crane field.
Background
In the tower machine field, general middle-size and small-size tower machine adopts single dolly single lifting hook or two dolly single lifting hooks, and only large-scale tower machine just adopts two dolly double lifting hook forms, but all be free vertical state at the coupler body coupling part of the back lifting hook that adopts two dolly double lifting hooks, and its two dollies are when the motion, and the coupler body coupling part of the back lifting hook of double lifting hook can be controlled and rocked, can bump with the lifting hook frame of back lifting hook mutually to the noise appears, and the long time can appear damaging to the structural component. In addition, the general sling is directly hung in the lifting hook, the force is borne at the center of the lifting hook, and the force borne by the lifting hook is not used for maximization under the condition of ensuring the safety.
Disclosure of Invention
In order to solve the above problem, the utility model provides a under the empty hook state, the coupler body coupling part of back lifting hook can not collide with back lifting hook frame and enable the tilting gearing of the power maximize that the back lifting hook bore.
A tilting gear that lifting hook was used behind tower machine, its characterized in that: the method comprises the following steps:
the rear lifting hook frame comprises a frame body and a tension spring mounting part, wherein the frame body is mounted at the lifting end of the tower crane and used for mounting the hook body connecting frame; the tension spring mounting part is arranged at the bottom of the frame body and used for mounting a tension spring;
the hook body connecting frame is arranged below the frame body and comprises a connecting frame body and a rear lifting hook group, the upper end of the connecting frame body is hinged to the frame body, and the bottom of the connecting frame body is provided with the rear lifting hook group for realizing the connection between the rear lifting hook group and the frame body of the rear lifting hook frame;
and the tension spring is arranged between the frame body of the rear hook hanger and the hook body connecting frame, the first end of the tension spring is connected with the tension spring mounting part of the rear hook hanger, and the second end of the tension spring is connected with the side surface, located on the rear hook assembly gap, of the hook body connecting frame, so that the rear hook assembly inclines towards the tension spring.
The extension spring installation department includes square pipe and first otic placode, square pipe rigid coupling is in the framework, and first otic placode setting is in square pipe bottom for connect the first end of extension spring.
The connecting frame body of the hook body connecting frame comprises two end plates for supporting, a second lug plate for connecting with the tension spring and a connecting group for connecting the rear hook frame, mounting shafts of the rear hook group are respectively mounted at the bottoms of the two end plates which are arranged in parallel, and the tops of the end plates are hinged on the frame body of the rear hook frame through the connecting group; the second ear plate is fixedly connected to the end plate positioned on one side of the hooking gap of the rear lifting hook group.
The connecting group comprises two connecting plates and two connecting plates, the two connecting plates are fixedly connected together in parallel through the two connecting plates, the tops of the two connecting plates are hinged to the frame body of the rear hook frame through connecting shafts, and the bottoms of the two connecting plates are hinged to the end plates.
The connection group further comprises a baffle, the baffle is arranged on the outer side face of the connecting plate, and the baffle swings along with the hook body connecting frame until colliding with the rear lifting hook frame, so that the hook body connecting frame is prevented from continuing to swing upwards or downwards.
The two ends of the tension spring are respectively connected with the first ear plate and the second ear plate through pin shafts, and the rear hook group of the hook body connecting frame is inclined towards the tension spring through the tension force of the tension spring.
The utility model discloses during the use, the coupler body link inclines to extension spring direction, bumps with back lifting hook frame up to the baffle, and the baffle prevents that back lifting hook group from making the coupler body link to the opposite direction motion of extension spring because of misoperation simultaneously, avoids that extension spring is drawn too long and lead to becoming invalid.
The beneficial effects of the utility model are that: simple structure, simple to operate only needs the part to reform transform and just can realize the utility model discloses a function has guaranteed that the structure between coupler body link and the back lifting hook frame is reliable, and the coupler body link adjusts the slope of coupler body link according to the weight of hanging load heavy object, finally is in the vertical state, has guaranteed simultaneously that the hoist cable hangs back lifting hook position sturdy, makes the stress position more suitable.
Drawings
Figure 1 is a prior art rear hook.
Fig. 2 shows a tilting device for a rear hook according to the present invention.
Fig. 3 is the rear hook frame of the present invention.
Fig. 4 is a cross-sectional view a-a of fig. 3.
Fig. 5 is a hook connecting frame of the present invention.
Fig. 6 is a connection group of the rear hook frame of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a tilting device that lifting hook was used behind tower machine, include:
the rear lifting hook frame 1 comprises a frame body 11 and a tension spring mounting part, wherein the frame body is mounted at the lifting end of the tower crane and used for mounting the hook body connecting frame 2; the tension spring mounting part is arranged at the bottom of the frame body 11 and is used for mounting a tension spring 3;
the hook body connecting frame 2 is arranged below the frame body 11 and comprises a connecting frame body and a rear hook group 10, the upper end of the connecting frame body is hinged to the frame body 11, and the bottom of the connecting frame body is provided with the rear hook group 10 for realizing the connection between the rear hook group 10 and the frame body 11 of the rear hook frame 1;
and the tension spring 3 is arranged between the frame body 11 of the rear hook hanger 1 and the hook body connecting frame 2, the first end of the tension spring is connected with the tension spring mounting part of the rear hook hanger 1, and the second end of the tension spring is connected with the side surface, located on the hooking gap 101 of the rear hook hanger group 10, of the hook body connecting frame 2, so that the rear hook hanger group 10 inclines towards the tension spring direction.
Extension spring installation department includes square pipe 8 and first otic placode 4, 8 rigid couplings in support body 11 are managed in square, and first otic placode 4 sets up in 8 bottoms on square pipe for connect the first end of extension spring 3.
The connecting frame body of the hook body connecting frame 2 comprises two end plates 9 for supporting, a second ear plate 6 for connecting with the tension spring and a connecting group 7 for connecting the rear hook frame 1, mounting shafts of the rear hook group 10 are respectively mounted at the bottoms of the two end plates 9 which are arranged in parallel, and the top of the end plate 9 is hinged on a frame body 11 of the rear hook frame 1 through the connecting group 7; the second ear plate 6 is fixedly connected to the end plate located at one side of the hooking notch 101 of the rear hook group 10.
The connecting set 7 comprises two connecting plates 21 and two connecting plates 23, the two connecting plates 21 are fixedly connected together in parallel through the two connecting plates 23, the tops of the two connecting plates 21 are hinged to the frame body 11 of the rear hook hanger 1 through connecting shafts, and the bottoms of the two connecting plates are hinged to the end plate 9.
The connection group 7 further comprises a baffle 22, the baffle 22 is arranged on the outer side face of the connection plate 21, and the baffle 22 swings along with the hook body connection frame 2 until colliding with the rear hook frame 1 so as to prevent the hook body connection frame 2 from swinging upwards or downwards continuously.
The two ends of the tension spring 3 are respectively connected with the first ear plate 4 and the second ear plate 6 through pin shafts, and the rear hook group 10 of the hook body connecting frame 2 is inclined towards the tension spring 3 through the tension force of the tension spring 3.
The utility model discloses during the use, coupler body link 2 is to 3 direction slopes of extension spring, and up to baffle 22 and back lifting hook frame 1 bump mutually, and baffle 22 prevents back lifting hook group 10 simultaneously because of misoperation, makes coupler body link 2 to 3 opposite direction motions of extension spring, avoids extension spring 3 to draw too long and lead to becoming invalid.
the hook body connecting frame 2 comprises a connecting frame body and a rear lifting hook group 10, the connecting frame body comprises a second ear plate 6, two end plates 9 and a connecting group 7 for connecting the rear lifting hook frame 1, and the second ear plate 6 is fixedly connected to the end plate 9 positioned on one side of a hooking gap of the rear lifting hook group 10;
the connecting group 7 comprises two baffles 22, two connecting plates 21 and two connecting plates 23, the two connecting plates 21 are fixedly connected together in parallel through the two connecting plates 23, and the upper ends of the connecting plates 21 are hinged to the mounting holes 5 through connecting shafts; the two baffles 22 are fixedly connected to the outer sides of the two connecting plates 21 of the connecting group 7 respectively, and the baffles 22 swing along with the hook body connecting frame 2 until the baffles collide with the rear lifting hook frame 1; when the hook body connecting frame 2 swings, the baffle plate 22 on the hook body connecting frame 2 can collide with the rear hook frame 1, and the hook body connecting frame 2 is prevented from swinging upwards or downwards continuously.
The two ends of the tension spring 3 are respectively connected with the first ear plate 4 and the second ear plate 6 through pin shafts, and the hook body connecting frame 2 inclines towards the tension spring 3 through the tension of the tension spring 3.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (6)
1. The utility model provides a tilting gear that lifting hook was used behind tower machine which characterized in that: the method comprises the following steps:
the rear lifting hook frame comprises a frame body and a tension spring mounting part, wherein the frame body is mounted at the lifting end of the tower crane and used for mounting the hook body connecting frame; the tension spring mounting part is arranged at the bottom of the frame body and used for mounting a tension spring;
the hook body connecting frame is arranged below the frame body and comprises a connecting frame body and a rear lifting hook group, the upper end of the connecting frame body is hinged to the frame body, and the bottom of the connecting frame body is provided with the rear lifting hook group for realizing the connection between the rear lifting hook group and the frame body of the rear lifting hook frame;
and the tension spring is arranged between the frame body of the rear hook hanger and the hook body connecting frame, the first end of the tension spring is connected with the tension spring mounting part of the rear hook hanger, and the second end of the tension spring is connected with the side surface, located on the rear hook assembly gap, of the hook body connecting frame, so that the rear hook assembly inclines towards the tension spring.
2. The tilting device for the rear hook of the tower crane according to claim 1, characterized in that: the extension spring installation department includes square pipe and first otic placode, square pipe rigid coupling is in the framework, and first otic placode setting is in square pipe bottom for connect the first end of extension spring.
3. The tilting device for the rear hook of the tower crane according to claim 1, characterized in that: the connecting frame body of the hook body connecting frame comprises two end plates for supporting, a second lug plate for connecting with the tension spring and a connecting group for connecting the rear hook frame, mounting shafts of the rear hook group are respectively mounted at the bottoms of the two end plates which are arranged in parallel, and the tops of the end plates are hinged on the frame body of the rear hook frame through the connecting group; the second ear plate is fixedly connected to the end plate positioned on one side of the hooking gap of the rear lifting hook group.
4. The tilting device for the rear hook of the tower crane according to claim 3, characterized in that: the connecting group comprises two connecting plates and two connecting plates, the two connecting plates are fixedly connected together in parallel through the two connecting plates, the tops of the two connecting plates are hinged to the frame body of the rear hook frame through connecting shafts, and the bottoms of the two connecting plates are hinged to the end plates.
5. The tilting device for the rear hook of the tower crane according to claim 4, characterized in that: the connection group further comprises a baffle, the baffle is arranged on the outer side face of the connecting plate, and the baffle swings along with the hook body connecting frame until colliding with the rear lifting hook frame, so that the hook body connecting frame is prevented from continuing to swing upwards or downwards.
6. The tilting device for the rear hook of the tower crane according to claim 3, characterized in that: the two ends of the tension spring are respectively connected with the first ear plate and the second ear plate through pin shafts, and the rear hook group of the hook body connecting frame is inclined towards the tension spring through the tension force of the tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301164.9U CN211687944U (en) | 2019-12-19 | 2019-12-19 | Tilting device that lifting hook was used behind tower machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301164.9U CN211687944U (en) | 2019-12-19 | 2019-12-19 | Tilting device that lifting hook was used behind tower machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211687944U true CN211687944U (en) | 2020-10-16 |
Family
ID=72792837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922301164.9U Active CN211687944U (en) | 2019-12-19 | 2019-12-19 | Tilting device that lifting hook was used behind tower machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211687944U (en) |
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2019
- 2019-12-19 CN CN201922301164.9U patent/CN211687944U/en active Active
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