CN215666808U - Tower machine load dolly protection device that restricts absolutely - Google Patents
Tower machine load dolly protection device that restricts absolutely Download PDFInfo
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- CN215666808U CN215666808U CN202121761338.0U CN202121761338U CN215666808U CN 215666808 U CN215666808 U CN 215666808U CN 202121761338 U CN202121761338 U CN 202121761338U CN 215666808 U CN215666808 U CN 215666808U
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Abstract
The utility model discloses a rope breakage protection device for a tower crane load-carrying trolley, which comprises: the device comprises a load-carrying frame, a fixed steel frame, a reinforced steel frame and a rope breakage protection mechanism; the fixed steel frame is connected with one side of the load-carrying frame; the reinforced steel frame is arranged on one side of the load-carrying frame far away from the fixed steel frame; the rope breakage protection mechanism is arranged between the fixed steel frame and the reinforced steel frame and comprises a movable locking rod, one side, away from the load frame, of the movable locking rod is provided with a trigger control piece, and an arc-shaped connecting piece is connected between the load frame and the reinforced steel frame. According to the utility model, by changing the mode of protecting the load trolley from rope breakage, the situation that the load trolley protecting device is fixedly separated in the use process is reduced, the stability of the load trolley protecting device in the use process is improved, the risk that the load trolley uncontrollably shakes under the condition that the luffing rope is broken is reduced, and the safety of the load trolley in the use process is improved.
Description
Technical Field
The utility model belongs to the technical field of tower crane safety devices, and particularly relates to a rope breakage protection device for a tower crane load-carrying trolley.
Background
The tower crane is a mechanical device for vertical and horizontal conveying of materials and installation of building members in house building construction, and mainly comprises a tower body, an arm support, a base, a load-carrying trolley, an amplitude-variable rope, a swing mechanism, a motor, a controller and a control system, wherein the tower crane is mainly used for vertically and horizontally conveying the materials in a mode that the load-carrying trolley moves along the arm support under the action of the amplitude-variable rope in the using process.
In order to ensure the normal operation and safe use of the tower crane, the tower crane must be provided with a specified safety device during installation, and the installation device mainly comprises: the lifting moment limiter, the height limiting device, the amplitude limiter, the rotation limiter, the lifting hook safety device, the winding drum safety device, the wind direction anemoscope, the steel wire rope groove-breaking safety device, the load trolley rope-breaking protection device, the load trolley anti-shaft-breaking device, the buffer and the like, wherein the load trolley rope-breaking protection device mainly plays a rope-breaking protection role for the load trolley, when the amplitude-variable rope is broken, the load trolley can be fixedly locked under the action of the rope-breaking protection device, the situation that the load trolley shakes uncontrollably when the amplitude-variable rope is broken is avoided, and the risk of safety accidents is increased.
The existing rope breakage protection device for the load trolley mainly protects the load trolley from rope breakage by adopting a mode that the hook body or the limiting pin plate moves, the hook body or the limiting pin plate is easily separated from the arm support in the use process, the stability of the rope breakage protection device for the load trolley in the use process is reduced, the risk of uncontrollable shaking of the load trolley under the condition that the amplitude-variable rope is broken is improved, and the safety of the load trolley in the use process is reduced.
Therefore, in order to solve the technical problem, a rope breakage protection device for a tower crane load-carrying trolley is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rope breakage protection device for a tower crane load-carrying trolley, and aims to solve the problem that the rope breakage protection device for the load-carrying trolley is poor in use stability.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a tower machine load dolly protection device that restricts absolutely includes: the device comprises a load-carrying frame, a fixed steel frame, a reinforced steel frame and a rope breakage protection mechanism;
the fixed steel frame is connected with one side of the load-carrying frame;
the reinforcing steel frame is arranged on one side of the load-carrying frame far away from the fixed steel frame;
the rope breakage protection mechanism is arranged between the fixed steel frame and the reinforced steel frame and comprises a movable locking rod, and one side, far away from the load-carrying frame, of the movable locking rod is provided with a connecting rope ring.
Further, be connected with the arc connecting piece between load frame and the enhancement steelframe, the arc connecting piece plays the effect of connecting the load frame with the enhancement steelframe, is convenient for play the effect that intensity was strengthened to the load frame through strengthening the steelframe.
Further, it has and removes the locking lever assorted to cut out the position hole of keeping away on the enhancement steelframe, keeps away the position hole through cutting out and is convenient for play the spacing effect of removal to removing the locking lever, has reduced and has removed the locking lever and remove the dead condition of slope card that appears in-process, has improved and has removed the stability that the locking lever removed the in-process, one side of strengthening the steelframe is connected with spacing fixed plate, and spacing fixed plate plays fixed spacing effect to removing the locking lever with strengthening the steelframe, one side of strengthening the steelframe and keeping away from spacing fixed plate is connected with supplementary limiting plate, is convenient for remove spacing through mutually supporting of supplementary limiting plate and spacing fixed plate to removing the locking lever.
Further, one side of the movable locking rod, which is far away from the reinforcing steel frame, is connected with a spring compression plate, so that the movable locking rod and a locking spring can be controlled to move through the spring compression plate, the movable locking rod can move along with the compression and the release of the locking spring under the action of the spring compression plate, the locking spring is arranged between the spring compression plate and the fixed steel frame, the movable locking rod can be controlled to move through the compression and the release of the locking spring, and the movable locking rod can be locked to a load-carrying vehicle frame through the movement of the movable locking rod.
Furthermore, one side of the trigger control part is connected with a connecting rope ring, so that the amplitude-variable rope is conveniently limited through the connecting rope ring, a fixed pin shaft is hinged between the trigger control part and the fixed steel frame, and the fixed pin shaft plays a role in fixing the trigger control part.
Further, remove the locking pole and keep away from one side of spring compression board and cut a spacing hole, be convenient for install fixedly to the gag lever post through cutting a spacing hole, spacing downthehole gag lever post that is equipped with is convenient for play fixed spacing effect to removing the locking pole through the gag lever post, has reduced and has removed the locking pole and remove the skew condition of removal in-process appearance, has improved and has carried out the stability of locking to the load frame through removing the locking pole.
Compared with the prior art, the utility model has the following advantages:
according to the utility model, by changing the mode of protecting the load trolley from rope breakage, the situation that the load trolley protecting device is fixedly separated in the use process is reduced, the stability of the load trolley protecting device in the use process is improved, the risk that the load trolley uncontrollably shakes under the condition that the luffing rope is broken is reduced, and the safety of the load trolley in the use process is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a rope breakage protection device for a tower crane load-carrying trolley in one embodiment of the utility model;
FIG. 2 is a side cross-sectional view of a tower crane load-carrying trolley rope breakage protection device in one embodiment of the utility model;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
fig. 4 is a schematic view of an operating state of a rope breakage protection device for a tower crane load-carrying trolley in an embodiment of the utility model.
In the figure: 1. the device comprises a load-carrying frame, 101 arc-shaped connecting pieces, 2 fixed steel frames, 3 reinforced steel frames, 301 limit fixing plates, 302 auxiliary limit plates, 4 rope breakage protection mechanisms, 401 movable locking rods, 402 spring compression plates, 403 locking springs, 404 trigger control pieces, 405 connecting rope rings, 406 fixed pin shafts and 407 limit rods.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The utility model discloses a rope breakage protection device for a tower crane load-carrying trolley, which is shown in figures 1-4 and comprises a load-carrying frame 1, a fixed steel frame 2, a reinforced steel frame 3 and a rope breakage protection mechanism 4.
Referring to fig. 1, arc-shaped connecting pieces 101 are connected between the load frame 1 and the reinforcing steel frame 3, the arc-shaped connecting pieces 101 play roles in connecting the load frame 1 and the reinforcing steel frame 3, and the load frame 1 is convenient to strengthen through the reinforcing steel frame 3.
Refer to fig. 1 and show, fixed steelframe 2 is connected with one side of load frame 1, is convenient for play fixed and the effect that the intensity was strengthened to load frame 1 through fixed steelframe 2.
Wherein, the chisel is gone up to fixed steelframe 2 has with removing locking bar 401 assorted installation through-hole, is convenient for play fixed spacing effect to removing locking bar 401 through fixed steelframe 2, is convenient for simultaneously play the effect of supplementary compression through fixed steelframe 2 to locking spring 403.
Referring to fig. 2, the reinforcing steel frame 3 is arranged on one side of the load frame 1 far away from the fixed steel frame 2, so that the strength of the load frame 1 is enhanced through the reinforcing steel frame 3.
Specifically, it has and removes locking lever 401 assorted to cut on strengthening the steelframe 3 and keeps away a hole, keeps away a hole through cutting and is convenient for play the spacing effect of removal to removing locking lever 401, has reduced and has removed locking lever 401 and has removed the dead condition of slope card to appear in-process, has improved and has removed locking lever 401 and remove the stability of in-process.
Referring to fig. 2, one side of the reinforcing steel frame 3 is connected to a limiting fixing plate 301, and the limiting fixing plate 301 plays a role in fixing and limiting the movable locking rod 401 and the reinforcing steel frame 3.
Referring to fig. 2, one side of the reinforcing steel frame 3 away from the limiting fixing plate 301 is connected to an auxiliary limiting plate 302, so that the movement of the movable locking rod 401 is limited by the mutual matching of the auxiliary limiting plate 302 and the limiting fixing plate 301.
Referring to fig. 1, the rope breakage protection mechanism 4 is arranged between the fixed steel frame 2 and the reinforced steel frame 3, so that the rope breakage protection mechanism 4 can conveniently play a role in rope breakage protection on the load-carrying frame 1, and the safety of the load-carrying frame 1 in the using process is improved.
Referring to fig. 1, the rope breakage protection mechanism 4 includes a movable locking rod 401, so that the movable locking rod 401 and the web member of the boom base plate can be used for fixing and limiting the load-carrying frame 1, the uncontrollable shaking of the load-carrying frame 1 under the condition that the amplitude variation rope is broken is reduced, and the safety of the load-carrying frame 1 in the using process is improved.
Referring to fig. 3, a spring compression plate 402 is connected to one side of the movable locking rod 401 away from the reinforcing steel frame 3, so that the movable locking rod 401 and the locking spring 403 can be controlled by the spring compression plate 402, and the movable locking rod 401 can move along with the compression and release of the locking spring 403 under the action of the spring compression plate 402.
Referring to fig. 3, a locking spring 403 is arranged between the spring compression plate 402 and the fixed steel frame 2, so that the movable locking rod 401 can be conveniently controlled to move through compression and release of the locking spring 403, and the load-carrying frame 1 can be conveniently and fixedly locked through movement of the movable locking rod 401.
Referring to fig. 3, a triggering control member 404 is disposed on a side of the spring compression plate 402 away from the load-carrying frame 1, so that the triggering control member 404 can limit the spring compression plate 402, and the movement state of the movable locking rod 401 can be controlled by the rotation of the triggering control member 404.
Specifically, the acting force of the trigger control member 404 on the locking spring 403 under the action of the luffing rope is greater than the elastic force of the locking spring 403, so that the locking spring 403 is compressed in a manner that the trigger control member 404 applies the acting force on the spring compression plate 402, the movable locking rod 401 is fixed and limited, and the interference between the movable locking rod 401 and the web member of the boom bottom plate in the use process of the load-carrying frame 1 is reduced.
Referring to fig. 4, a connecting rope ring 405 is connected to one side of the trigger control member 404, so that the luffing rope is limited by the connecting rope ring 405, a fixed pin 406 is hinged between the trigger control member 404 and the fixed steel frame 2, and the fixed pin 406 plays a role in fixing the trigger control member 404.
In addition, a limiting hole is drilled on one side of the movable locking rod 401 away from the spring compression plate 402, and the limiting rod 407 is conveniently installed and fixed by drilling the limiting hole.
Referring to fig. 1, a limiting rod 407 is arranged in the limiting hole, so that the movable locking rod 401 can be conveniently fixed and limited by the limiting rod 407, the situation of movement deviation in the moving process of the movable locking rod 401 is reduced, and the stability of locking the load-carrying frame 1 by moving the locking rod 401 is improved.
When the device is used specifically, the luffing rope is limited through the connecting rope ring 405, the trigger control piece 404 can compress the locking spring 403 in a mode of applying acting force to the spring compression plate 402 under the action of the luffing rope, the movable locking rod 401 resets under the action of the locking spring 403, and at the moment, materials can be conveyed through the loading frame 1;
when the luffing rope is loosened or broken in the use process of the load-carrying frame 1, the acting force applied to the trigger control member 404 by the locking spring 403 is reduced, then the trigger control member 404 rotates around the fixed pin shaft 406 under the action of the locking spring 403, meanwhile, the movable locking rod 401 moves under the elastic force action of the locking spring 403, the movable locking rod 401 can be limited by the limiting rod 407 in the moving process of the movable locking rod 401, the load-carrying frame 1 is fixedly locked through the interaction of the movable locking rod 401 and the boom base plate web member, the uncontrollable shaking of the load-carrying frame 1 under the condition that the luffing rope is broken is reduced, and the safety of the load-carrying frame 1 in the use process is improved.
According to the technical scheme, the utility model has the following beneficial effects:
according to the utility model, by changing the mode of protecting the load trolley from rope breakage, the situation that the load trolley protecting device is fixedly separated in the use process is reduced, the stability of the load trolley protecting device in the use process is improved, the risk that the load trolley uncontrollably shakes under the condition that the luffing rope is broken is reduced, and the safety of the load trolley in the use process is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (6)
1. The utility model provides a tower machine load dolly protection device that restricts absolutely which characterized in that includes:
a load-carrying vehicle frame (1);
the fixed steel frame (2) is connected with one side of the load-carrying frame (1);
the reinforcing steel frame (3) is arranged on one side, far away from the fixed steel frame (2), of the load-carrying frame (1);
rope breakage protection mechanism (4) is located between fixed steelframe (2) and the enhancement steelframe (3), rope breakage protection mechanism (4) is including removing locking pole (401), one side that load frame (1) was kept away from in removal locking pole (401) is equipped with trigger control (404).
2. The rope breakage protection device for the load-carrying trolley of the tower crane as claimed in claim 1, wherein an arc-shaped connecting piece (101) is connected between the load-carrying frame (1) and the reinforcing steel frame (3).
3. The rope breakage protection device for the tower crane load-carrying trolley according to claim 1, wherein a clearance hole matched with the movable locking rod (401) is formed in the reinforcing steel frame (3), a limiting fixing plate (301) is connected to one side of the reinforcing steel frame (3), and an auxiliary limiting plate (302) is connected to one side, away from the limiting fixing plate (301), of the reinforcing steel frame (3).
4. The rope breakage protection device for the load-carrying trolley of the tower crane as claimed in claim 1, wherein one side of the movable locking rod (401) far away from the reinforcing steel frame (3) is connected with a spring compression plate (402), and a locking spring (403) is arranged between the spring compression plate (402) and the fixed steel frame (2).
5. The rope breakage protection device for the tower crane load-carrying trolley as claimed in claim 4, wherein a connecting rope ring (405) is connected to one side of the trigger control member (404), and a fixed pin shaft (406) is hinged between the trigger control member (404) and the fixed steel frame (2).
6. The rope breakage protection device for the load-carrying trolley of the tower crane as claimed in claim 4, wherein a limiting hole is drilled on one side of the movable locking rod (401) far away from the spring compression plate (402), and a limiting rod (407) is arranged in the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761338.0U CN215666808U (en) | 2021-07-30 | 2021-07-30 | Tower machine load dolly protection device that restricts absolutely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761338.0U CN215666808U (en) | 2021-07-30 | 2021-07-30 | Tower machine load dolly protection device that restricts absolutely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215666808U true CN215666808U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121761338.0U Active CN215666808U (en) | 2021-07-30 | 2021-07-30 | Tower machine load dolly protection device that restricts absolutely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215666808U (en) |
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2021
- 2021-07-30 CN CN202121761338.0U patent/CN215666808U/en active Active
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