CN214653218U - Safety device for walking on tower crane boom - Google Patents
Safety device for walking on tower crane boom Download PDFInfo
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- CN214653218U CN214653218U CN202021902331.1U CN202021902331U CN214653218U CN 214653218 U CN214653218 U CN 214653218U CN 202021902331 U CN202021902331 U CN 202021902331U CN 214653218 U CN214653218 U CN 214653218U
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Abstract
The utility model relates to a safety protection technical field discloses a safety device of walking on tower crane jib loading boom, include: the rope end fixing buckle comprises a third fixing device and a steel wire rope fixing device, the third fixing device is fixed at the other end of the main rod at the upper end of the large arm of the tower crane, and the steel wire rope adjusting device is connected with the steel wire rope and tightens the steel wire rope; the rope end adjusting and fixing buckle comprises a first fixing device and a steel wire rope adjusting device, the first fixing device is fixed at one end of a main rod at the upper end of a large arm of the tower crane, and the steel wire rope connecting device is connected with one end of a steel wire rope; the rope supporting fixing buckle comprises a second fixing device and a rope supporting device, the second fixing device is fixed at the middle section of the large arm of the tower crane, and the rope supporting device supports the steel wire rope. The safety belt hook has the advantages that when the safety belt hook of an operator passes through the rope supporting component, the safety belt hook does not need to be taken down, the steel wire rope can be pulled out of the hook of the component only by hand, and the trouble that the operator repeatedly takes the safety belt hook is avoided. The time for installing and dismantling the tower crane is saved.
Description
Technical Field
The utility model relates to a safety arrangement technical field especially relates to a safety device of walking on tower crane jib loading boom.
Background
In the safety management process of a building construction project, the installing and dismantling link of the tower crane is an object for major hazard source control. In the process of installing and dismantling the tower crane, effective methods or technical measures are required to be taken in time for the lack of certain safety measures or unsafe behaviors, which is an important work of safety management. In the process of assembling and disassembling the crane boom each time, an operator needs to walk to the front end of the crane boom to operate, the assembling and disassembling at each time is carried out at least twice, and in the process, the operator is easy to cause the high falling accident of the operator without protective measures when walking.
Disclosure of Invention
The utility model aims at: the high-altitude falling accident of the operating personnel in the process of installing and detaching or maintaining the tower crane every time is prevented, and the management loophole of the operating personnel operating without safety measures is prevented when the crane boom of the tower crane is installed and detached every time.
In order to achieve the above object, the utility model provides a safety device of walking on tower crane jib loading boom, include:
the rope end fixing buckle comprises a first fixing device and a steel wire rope fixing device, the first fixing device is fixed at one end of the crane boom main rod, and the steel wire rope adjusting device is connected with the steel wire rope and tightens the steel wire rope;
the rope end adjusting and fixing buckle comprises a second fixing device and a steel wire rope adjusting device, the second fixing device is fixed at the other end of the main rod of the crane boom, and the steel wire rope connecting device is connected with one end of the steel wire rope;
the rope supporting fixing buckle comprises a third fixing device and a rope supporting device, the third fixing device is fixed to the middle section of the main rod of the crane boom, and the rope supporting device supports the steel wire rope.
Preferably, the first fixing device, the second fixing device and the third fixing device each include a compression screw, a movable pressing plate, a fixed connection bolt and a main member plate. One end of the movable pressing plate is connected to the main component plate.
The main component plate consists of vertical plate parts and transverse plate parts which are vertical to each other; the movable pressing plate opposite to the vertical plate is connected in the mounting hole of the transverse plate of the main component plate, and the distance between the movable pressing plate and the vertical plate is adjusted through the matching of a compression screw rod and a nut which are arranged on the outer side of the lower part of the movable pressing plate; the fixed connecting bolt passes through the bolt connecting holes on the upper parts of the movable pressing plate and the vertical plate and is connected with the bolt connecting holes by nuts.
Preferably, the steel wire rope fixing device comprises two connecting lug plates and a second pin shaft which are arranged in parallel, the two connecting lug plates are respectively provided with a connecting hole, the two connecting holes are coaxial with each other, and the second pin shaft is rotatably fixed in the two connecting holes.
Preferably, the steel wire rope adjusting device comprises a first pin shaft, a U-shaped connecting piece, an adjusting screw rod and an adjusting bolt, connecting holes are respectively formed in two sides of the U-shaped connecting piece, the two connecting holes are coaxial with each other, and the first pin shaft is rotatably fixed in the two connecting holes.
Preferably, the rope supporting device is a rope supporting hook, and the rope supporting hook is provided with a 7-shaped groove.
Preferably, after one end of the steel wire rope passes through the first pin shaft, the end part of the steel wire rope is fixed on the steel wire rope main body through the steel wire rope clamp.
Preferably, one end of the compression screw rod, which is contacted with the movable pressing plate, is provided with two matched nuts, and the other end of the compression screw rod is provided with one matched nut.
Preferably, the cross section of the end of the movable pressing plate, which is positioned at the lower part of the mounting hole of the cross plate member, is larger than that of the mounting hole.
The embodiment of the utility model provides a safety device of walking on tower crane jib loading boom, compared with the prior art, its beneficial effect lies in: the safety device is adjustable, tool-type, convenient to mount and dismount, safe, reliable and applicable to tower cranes of most models. The safety belt hook of an operator does not need to be taken down when passing through the rope supporting component, and the operation can be excessive only by manually pulling the steel wire rope out of the hook of the component, so that the trouble that the operator hangs the safety belt hook due to repeated taking is avoided. The time for installing and dismantling the tower crane is saved.
Drawings
FIG. 1 is a schematic structural view of a rope end fixing buckle according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a rope end adjusting and fixing buckle according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a rope-supporting fixing buckle according to an embodiment of the present invention;
fig. 4 is an assembly schematic diagram of an embodiment of the present invention;
in the figure, 1, a compression screw, 2, a movable pressing plate, 3, a fixed connecting bolt, 4, a main component plate, 5, a first pin shaft, 6, a U-shaped connecting piece, 7, an adjusting screw, 8, a rope supporting hook, 9, a pin shaft, 10, a connecting lug plate, 11, a rope clamp, 12 and a steel wire rope; 13. connecting a fixed seat; 14. the crane boom main rod.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured" to, or "fixedly coupled" to another element, it can be removably secured or non-removably secured to the other element. When an element is referred to as being "connected," "pivotally connected," to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiment of the utility model provides a safety device of walking on tower crane jib loading boom of preferred embodiment, the principle of this device is fixed wire rope on tower crane jib loading boom mobile jib by three fastening structure.
The device comprises three structures of a rope end fixing buckle, a rope supporting fixing buckle and a rope end adjusting fixing buckle, wherein the rope end fixing buckle, the rope supporting fixing buckle and the rope end adjusting fixing buckle are respectively provided with a fixing device which is matched and connected with the crane boom main rod.
As shown in fig. 1, the first fixing device of the rope end adjusting fixing buckle is fastened on the main rod 14 of the tower crane boom and is connected and fastened through a screw, and the fixing structure is a tool type adjustable device. The first fixing device structure main body comprises a main component plate 4, a movable pressing plate 2, a compression screw rod 1 and a fixed connecting bolt 3. The main member plate 4 is composed of a first plate 4a and a second plate 4b which are perpendicular to each other, and because the section of the tower crane boom main rod 14 is rectangular, the shape of the main member plate 4 needs to be designed to fit the boom main rod 14. The movable pressing plate 2 arranged opposite to the first plate 4a of the main component plate 4 is connected in the mounting hole of the second plate 4b of the main component plate 4, and the distance between the movable pressing plate 2 and the first plate 4a is adjusted through the cooperation of the compression screw 1 arranged on the outer side of the lower part and the nut. The fixed connecting bolt 3 passes through the bolt connecting holes on the upper parts of the movable pressing plate 2 and the first plate 4a and is screwed down by a nut. Thus, the first fixing device can be firmly connected to the boom main rod 14 through the compression screw rod 1 and the fixed connecting bolt 3.
The wire rope fixing device of the rope end fixing buckle is connected to the first fixing device, and the wire rope fixing device comprises two connecting lug plates 10 which are arranged in parallel and a first pin shaft 9 which penetrates through the two connecting lug plates 10. One end of the steel wire rope passes through the first pin shaft 9 in the middle of the two connecting lug plates 10 and is fastened with the steel wire rope main body by a steel wire rope clamp.
As shown in fig. 2, the rope end adjusting and fixing buckle includes a second fixing device and a wire rope adjusting device which are connected with each other. The second fixing device has the same structure as the first fixing device, is fastened on the main rod 14 of the crane boom of the tower crane and is connected and fastened through a screw rod. The wire rope adjusting device of the rope end adjusting and fixing buckle is used for connecting and fixing one end of a wire rope and adjusting the tightness state of the wire rope. The steel wire rope connecting device comprises a connecting fixed seat 13, an adjusting screw 7, a U-shaped connecting piece 6 and a first pin shaft 5. The connection holder 13 is connected to the main component plate 4. The two sides of the U-shaped connecting piece 6 are respectively provided with a connecting hole, the two connecting holes are coaxial, and the first pin shaft 5 is fixed in the two connecting holes. The adjusting screw 7 is respectively connected with the connecting fixed seat 13 and the U-shaped connecting piece 6 and can adjust the distance between the connecting fixed seat 13 and the U-shaped connecting piece 6. After one end of the steel wire rope penetrates through the second pin shaft 5 in the middle of the U-shaped connecting piece 6 and is fastened with the steel wire rope main body through the steel wire rope clamp, the distance between the U-shaped connecting piece 6 and the connecting fixing seat 13 can be adjusted by rotating nuts on the adjusting screw rods 7 at two ends of the connecting fixing seat 13, and therefore the tightness of the steel wire rope can be adjusted.
As shown in fig. 3, the carrier string securing clasp comprises a third securing means and a carrier string hook 8 interconnected. The third fixing device is the same as the first fixing device in structure, is fastened on the main rod at the upper end of the large arm of the tower crane and is connected and fastened through a screw rod. The rope supporting hook 8 is provided with a 7-shaped groove, and the middle part of the steel wire rope passes through the groove of the rope supporting hook 8 and is supported and limited in the groove.
In the concrete construction, a first fixing device, a second fixing device and a third fixing device which are used as connecting mechanisms can be pressed against a movable pressing plate 2 through a pressing screw rod 1 to be pressed on a main rod of a crane boom, and can be adjusted according to different types of tower cranes and different sizes of the main rod of the crane boom to clamp and fix the crane boom.
The steel wire rope fixing device on the rope end fixing buckle is used for fixing one end of the steel wire rope, the rope supporting device on the rope supporting fixing buckle is used for supporting the steel wire rope, and the steel wire rope adjusting device on the rope end adjusting fixing buckle is used for tightening the steel wire rope.
Before the crane boom is disassembled and assembled, the rope end fixing buckle and the rope end adjusting fixing buckle are respectively arranged at two ends of a large arm of the tower crane, two members are pulled and connected by galvanized steel wire ropes with the diameter of 8mm, two ends of each steel wire rope 12 are respectively fixed by three rope clamps 11, and then the steel wire ropes 12 are tightened by the rope end adjusting fixing buckle.
A supporting rope fixing buckle is required to be installed and fixed at the position of every 20 meters between the two ends of the main rod of the tower crane boom, so that the problem that the steel wire rope 12 sags due to overlong and the problem that the steel wire rope 12 is not uniformly stressed is solved. The rope supporting device is designed into a hook shape, so that the safety belt hook of an operator can conveniently pass through the hook. An operator hangs the safety belt hook on the steel wire rope 12, and when the safety belt hook passes through the rope supporting fixing buckle, the safety belt hook does not need to be taken down from the steel wire rope, and the safety belt hook can pass through the steel wire rope by pulling the steel wire rope 12 out of the hook of the rope supporting device. The design can avoid potential safety hazards caused by repeated taking and hanging of the safety belt hooks by operators, and has great significance on the construction safety of personnel.
The utility model discloses a safety device installation and application method of walking on tower crane jib loading boom, its step is:
a. before the crane boom of the tower crane is assembled and disassembled, a main component 4 of a rope end adjusting fixing buckle faces upwards, a fixed connecting bolt 3 faces downwards and is arranged at one end of a main boom rod, and a movable plate 2 and the main component 4 are clamped with the main boom of the crane boom through fastening the fixed connecting bolt 3 and a compression screw rod 1;
b. b, installing a rope end fixing buckle at the other end of the main rod of the crane boom, wherein the installation method is the same as the step a, and the connecting lug plate 10 and the U-shaped connecting piece 6 of the rope end adjusting fixing buckle are arranged in the same side direction of the main rod of the crane boom;
c. b, installing a rope supporting fixing buckle between the rope end fixing buckle and the rope end adjusting fixing buckle at intervals of 20 meters, wherein the installation method is the same as the step a, and the rope supporting hook 8, the connecting lug plate 10 and the U-shaped connecting piece 6 of the rope end adjusting fixing buckle are arranged in the same side direction of the main rod of the crane boom;
d. the two components are respectively connected between the rope end fixing buckle and the rope end adjusting fixing buckle in a pulling mode through galvanized steel wire ropes with the diameter of 8mm, the two end portions of each steel wire rope are respectively fixed at the rope ends through three rope clamps, and then the steel wire ropes are tightened through adjusting screws 7 of the rope end adjusting fixing buckles;
e. the steel wire rope is pushed into a rope supporting hook 8 of the middle rope supporting fixing buckle.
To sum up, the embodiment of the utility model provides a safety device of walking on tower machine jib loading boom, include: the rope end fixing buckle comprises a third fixing device and a steel wire rope fixing device, the third fixing device is fixed at the other end of the main rod at the upper end of the large arm of the tower crane, and the steel wire rope adjusting device is connected with the steel wire rope and tightens the steel wire rope; the rope end adjusting and fixing buckle comprises a first fixing device and a steel wire rope adjusting device, the first fixing device is fixed at one end of a main rod at the upper end of a large arm of the tower crane, and the steel wire rope connecting device is connected with one end of a steel wire rope; the rope supporting fixing buckle comprises a second fixing device and a rope supporting device, the second fixing device is fixed at the middle section of the large arm of the tower crane, and the rope supporting device supports the steel wire rope.
The utility model discloses safety device can be applicable to the ann of the horizontal arm dolly of whole building trade variable amplitude tower crane and tear open or maintenance engineering. The advantages are mainly as follows:
(1) the management loophole of operation of an operator without safety measures when the crane boom of each tower crane is installed and dismantled or maintained is solved; effectively prevent the eminence accident of falling that appears among the operating personnel operation process.
(2) The time for installing and disassembling the tower crane is saved;
(3) the device has the advantages of low production and manufacturing cost, simplicity, tool type, convenience in practicability and wide adaptability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the counting principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A safety device for walking on a crane boom of a tower crane is characterized by comprising:
the rope end fixing buckle comprises a first fixing device and a steel wire rope fixing device, the third fixing device is fixed at one end of the boom main rod (14), and the steel wire rope fixing device is connected with the steel wire rope and tightens the steel wire rope;
the rope end adjusting and fixing buckle comprises a second fixing device and a steel wire rope adjusting device, the first fixing device is fixed at the other end of the boom main rod (14), and the steel wire rope adjusting device is connected with one end of a steel wire rope;
the rope supporting fixing buckle comprises a third fixing device and a rope supporting device, the second fixing device is fixed at the middle section of a main rod (14) of the crane boom, and the rope supporting device supports the steel wire rope.
2. The safety device for walking on the crane arm of a tower crane according to claim 1, characterized in that: the first fixing device, the second fixing device and the third fixing device respectively comprise a compression screw (1), a movable pressing plate (2), a fixed connecting bolt (3) and a main component plate (4);
the main component plate (4) consists of vertical plate parts and horizontal plate parts which are vertical to each other; the movable pressing plate (2) opposite to the vertical plate is connected in a mounting hole of the cross plate of the main component plate (4), and the distance between the movable pressing plate (2) and the vertical plate is adjusted through the matching of the compression screw (1) arranged on the outer side of the lower part and a nut; the fixed connecting bolt (3) penetrates through the bolt connecting holes in the upper parts of the movable pressing plate (2) and the vertical plate and is connected with the bolt connecting holes through nuts.
3. The safety device for walking on the crane arm of a tower crane according to claim 2, wherein: the steel wire rope fixing device comprises two connecting lug plates (10) and a second pin shaft (9) which are arranged in parallel, the connecting lug plates are respectively provided with connecting holes, the two connecting holes are coaxial, and the second pin shaft (9) is rotatably fixed in the two connecting holes.
4. The safety device for walking on the crane arm of a tower crane according to claim 2, wherein: the steel wire rope adjusting device comprises a first pin shaft (5), a U-shaped connecting piece (6), an adjusting screw rod (7) and an adjusting bolt, connecting holes are respectively formed in two sides of the U-shaped connecting piece (6) and are coaxial with each other, and the first pin shaft (5) is rotatably fixed in the two connecting holes.
5. The safety device for walking on the crane arm of a tower crane according to claim 2, wherein: the rope supporting device is a rope supporting hook (8) which is provided with a 7-shaped groove.
6. The safety device for walking on the crane arm of a tower crane according to claim 4, wherein: after one end of the steel wire rope (12) penetrates through the first pin shaft (5), the end part of the steel wire rope (12) is fixed on the steel wire rope (12) main body through a rope clamp (11) of the steel wire rope (12).
7. The safety device for walking on the crane arm of a tower crane according to claim 2, wherein: and one end of the compression screw rod (1) contacted with the movable pressing plate is provided with two matched nuts, and the other end of the compression screw rod is provided with one matched nut.
8. The safety device for walking on the crane arm of a tower crane according to claim 2, wherein: the cross section of the movable pressing plate (2) at one end of the lower part of the mounting hole of the transverse plate is larger than that of the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021902331.1U CN214653218U (en) | 2020-09-03 | 2020-09-03 | Safety device for walking on tower crane boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021902331.1U CN214653218U (en) | 2020-09-03 | 2020-09-03 | Safety device for walking on tower crane boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214653218U true CN214653218U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021902331.1U Active CN214653218U (en) | 2020-09-03 | 2020-09-03 | Safety device for walking on tower crane boom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214653218U (en) |
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2020
- 2020-09-03 CN CN202021902331.1U patent/CN214653218U/en active Active
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