CN219429560U - Traction device of standard section introduction frame of movable arm tower crane - Google Patents
Traction device of standard section introduction frame of movable arm tower crane Download PDFInfo
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- CN219429560U CN219429560U CN202223591389.0U CN202223591389U CN219429560U CN 219429560 U CN219429560 U CN 219429560U CN 202223591389 U CN202223591389 U CN 202223591389U CN 219429560 U CN219429560 U CN 219429560U
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Abstract
The utility model provides a traction device of a standard section introduction frame of a movable arm tower crane, which belongs to the field of lifting auxiliary devices of movable arm tower cranes and comprises an introduction guide rail, a first pulley frame, a second pulley frame, a traction rope and an introduction trolley, wherein the introduction trolley is arranged on the introduction guide rail, the lower part of the introduction trolley is connected with the standard section to be introduced, the first pulley frame and the second pulley frame are arranged above the introduction guide rail, one end of the traction rope is connected with the introduction trolley, the other end of the traction rope sequentially penetrates the first pulley frame and the second pulley frame and is connected with an external tower crane lifting hook, the traction rope is pulled upwards by utilizing the lifting performance of the external tower crane, and the introduction trolley pulls the standard section to be introduced to move through the traction rope and the introduction guide rail. According to the utility model, the standard knot is introduced by utilizing the hoisting characteristic of the tower crane and using the traction rope, the first pulley frame and the second pulley, and the standard knot can be introduced by only one operator through hanging the traction rope at the guide rail, so that the safety and the efficiency are high.
Description
Technical Field
The utility model relates to the field of lifting auxiliary devices of movable arm tower cranes, in particular to a traction device of a standard section introducing frame of a movable arm tower crane.
Background
The standard section introducing device is an important part of the jacking system of the tower crane, and the function of the standard section introducing device directly determines whether the tower can be successfully jacked. At present, the main method for leading in the standard section of the tower crane is to hoist the standard section of the tower body to the leading-in frame, the lifting cylinder of the tower body sleeve frame can jack up the part above the tower body, and then a plurality of installers pull the standard section of the tower body to the position above the tower body along the leading-in device guide rail by manpower to be connected with the tower body. The standard festival is introduced and is required many operating personnel to hold to pull, comparatively consumes the manpower, simultaneously because the restriction of swing arm formula tower machine structural style leads to when luffing device pulls the big arm to the highest, and main lifting hook still has a longer distance from the body of the tower, and operating personnel holds to pull and need walk to the far away from the body of the tower this moment, has very high requirement to mounting platform passageway structural strength. Therefore, the platform channel structure has higher design cost, certain difficulty is caused by the operation of operators, and certain potential safety hazard exists.
In the prior art, the reference document CN205132976U is an auxiliary device for introducing standard section, which comprises an introducing trolley, an introducing cross beam and a long hook; the introducing trolley is arranged below the introducing cross beam, the introducing cross beam is used for hoisting the standard section to be introduced, and the introducing trolley pulls the standard section to be introduced to move through the introducing cross beam; the long hook is a cross rod, a hook is formed at the front end of the cross rod, and an operator adjusts the standard knot to be introduced into a preset position through the long hook. In the comparison document, the workload and physical consumption of operators can be reduced to a certain extent, but the operators still need to draw the standard section for operation and control in a long distance when the standard section is introduced, and the comparison document has certain potential safety hazard to the operators, and has high labor cost and low efficiency. There is a need for a traction device for a standard section lead-in frame of a luffing jib tower crane.
Disclosure of Invention
The utility model aims to provide a traction device of a standard section introducing frame of a movable arm tower crane, which solves the technical problems of high labor cost and low efficiency in the prior art. The traction device provided by the utility model can ensure the safety of operators, and can safely and efficiently finish the standard section traction operation on the premise of reducing the labor cost and the structural design cost.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a draw gear of movable arm tower machine standard festival introduction frame, including introducing the guide rail, first pulley yoke, the second pulley yoke, haulage rope and introduction dolly, the introduction dolly sets up on the introduction guide rail, the below of introduction dolly is connected with the standard festival that waits to introduce, first pulley yoke and second pulley yoke set up in the top of introducing the guide rail, the one end of haulage rope is connected with the introduction dolly, the other end of haulage rope penetrates first pulley yoke and second pulley yoke in proper order and is connected with outside tower machine lifting hook, utilize the lifting performance of outside tower machine self to upwards pull the haulage rope, the introduction dolly is through haulage rope and introduction guide rail traction standard festival that waits to introduce and remove.
Further, a second pulley frame fixing piece is arranged in front of the introduction guide rail, a first pulley frame fixing piece is arranged behind the introduction guide rail, and the first pulley frame fixing piece and the second pulley frame fixing piece are fixedly connected with the introduction guide rail through external bolts respectively.
Further, the second pulley frame is arranged in front of the introduction guide rail, the second pulley frame is fixedly connected with the second pulley frame fixing piece, the first pulley frame is arranged behind the introduction guide rail, and the first pulley frame is fixedly connected with the first pulley frame fixing piece.
Further, the two ends of the traction rope are respectively provided with knots, the knots at one end of the traction rope are hung in the introduction trolley to be connected, the knots at the other end of the traction rope are hung in the external tower crane lifting hook to be connected, and the traction rope is arranged as a steel wire rope.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
1. the utility model uses the hoisting characteristic of the tower crane and the traction rope, the first pulley frame and the second pulley to introduce the standard section, and is more labor-saving, safer and more efficient than the traditional mode of manually traction the standard section.
3. Aiming at the tower crane with the minimum amplitude of amplitude still far away from the tower body, the existing manual traction standard knot mode needs two operators to walk to the tail end of a platform with larger overhanging at two sides, and has high requirements on the structural strength of a channel of an installation platform, so that the structural design cost of the channel of the platform is high, the operators have certain difficulty in operation, and certain potential safety hazards exist.
Drawings
FIG. 1 is a schematic view of a traction device of the present utility model suspended in a traction rope;
FIG. 2 is a schematic view of the traction device of the present utility model prior to traction;
FIG. 3 is a schematic view of the traction device of the present utility model after traction;
FIG. 4 is a schematic view of the structure of the introduction rail of the present utility model;
FIG. 5 is a schematic view of the structure of the traction rope of the present utility model;
FIG. 6 is a schematic view of the structure of the first pulley frame of the present utility model;
fig. 7 is a schematic structural view of a second pulley frame of the present utility model.
In the drawing, 1-introducing guide rail, 11-first pulley frame fixing piece, 12-second pulley frame fixing piece, 2-first pulley frame, 21-second pulley frame, 3-hauling rope, 31-rope knot, 4-introducing trolley and 5-standard section to be introduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the utility model, and that these aspects of the utility model may be practiced without these specific details.
As shown in figures 1-7, a traction device of a standard joint lead-in frame of a swing arm tower crane comprises a lead-in guide rail 1, a first pulley frame 2, a second pulley frame 21, a traction rope 3 and a lead-in trolley 4, wherein the lead-in trolley 4 is arranged on the lead-in guide rail 1, the lower part of the lead-in trolley 4 is connected with a standard joint 5 to be led in, the lead-in trolley 4 moves along the direction of the lead-in guide rail 1 with the standard joint 5 to be led in, the first pulley frame 2 and the second pulley frame 21 are arranged above the lead-in guide rail 1, one end of the traction rope 3 is connected with the lead-in trolley 4, the other end of the traction rope 3 sequentially penetrates into the first pulley frame 2 and the second pulley frame 21 and is connected with an external tower crane lifting hook, the traction rope 3 is pulled upwards by utilizing the lifting performance of the external tower crane, the lead-in trolley 4 moves through the traction rope 3 and the lead-in trolley 5 to be led in, and the lead-in trolley 3 penetrates into the first pulley frame 2 and the second pulley frame 21 to form a fixed pulley block to be pulled by the standard joint 5 to be led in, when the external tower crane pulls the traction rope 3 upwards. The utility model utilizes the hoisting characteristic of the tower crane, and uses the traction rope 3, the first pulley yoke 2 and the second pulley yoke 21 to introduce the standard section 5, so that the utility model is more labor-saving and efficient compared with the existing mode of manually dragging the standard section.
As shown in fig. 4 to 7, a second pulley frame fixing member 12 is provided in front of the introduction rail 1, a first pulley frame fixing member 11 is provided in rear of the introduction rail 1, the first pulley frame fixing member 11 and the second pulley frame fixing member 12 are fixedly connected with the introduction rail 1 through external bolts, respectively, and the first pulley frame fixing member 11 and the second pulley frame fixing member 12 firmly fix the first pulley frame 2 and the second pulley frame 21 on the introduction rail 1, respectively, preventing the first pulley frame 2 and the second pulley frame 21 from being deviated. The second pulley frame 21 is arranged in front of the introduction guide rail 1, the second pulley frame 21 is fixedly connected with the second pulley frame fixing piece 12, the first pulley frame 2 is arranged behind the introduction guide rail 1, and the first pulley frame 2 is fixedly connected with the first pulley frame fixing piece 11. The two ends of the traction rope 3 are respectively provided with a rope knot 31, the rope knot 31 at one end of the traction rope 3 is hung into the introduction trolley 4 for connection, the rope knot 31 at the other end of the traction rope 3 is hung into an external tower crane lifting hook for connection, and the traction rope 3 is arranged as a steel wire rope. The traction rope 3 is provided with the rope knot 31, so that an operator can conveniently connect the traction rope 3 with the introduction trolley 4, the operator can hang the rope knot 31 of the traction rope 3 into the introduction trolley 4, the other end of the traction rope 3 penetrates into the first pulley yoke 2 and the second pulley yoke 21, the rope knot 31 is hung into an external tower crane lifting hook, the traction rope 3 is upwards pulled by utilizing the lifting performance of the tower crane, the introduction trolley 4 connected with one end of the traction rope 3 moves to the rear of the introduction guide rail 1 along with the standard knot 5 to be introduced, and the introduction trolley 4 can complete the introduction work by pulling the standard knot 5 to be introduced to the position of the tower body. According to the utility model, manual traction is not needed, only one operator is needed to put through the traction rope 3 at the position of the lead-in guide rail 1, so that the standard knot lead-in can be completed, the operation difficulty of the operator is reduced, and the standard knot traction operation can be safely and efficiently completed on the premise of reducing the labor cost and the structural design cost.
Principle of operation
After the tower crane is installed, the self lifting hook of the tower crane is used for hanging the introduction trolley 4 connected with the standard joint 5 to be introduced to the front of the introduction guide rail 1, after an operator hangs one end of the traction rope 3 into the introduction trolley 4, the other end of the traction rope 3 penetrates into the first pulley yoke 2 and the second pulley yoke 21, the other end of the traction rope 3 is hung into the lifting hook of the tower crane, the tower crane is started, the traction rope 3 is pulled up after the lifting hook of the tower crane is lifted, the introduction trolley 4 at one end of the traction rope 3 moves the standard joint 5 to be introduced along the rear of the introduction guide rail 1, and the introduction trolley 4 pulls the standard joint 5 to be introduced to the tower body to finish the introduction work.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (4)
1. A draw gear of movable arm tower machine standard festival introduction frame, its characterized in that: including introducing guide rail (1), first pulley yoke (2), second pulley yoke (21), haulage rope (3) and introduction dolly (4), introduction dolly (4) set up on introducing guide rail (1), the below of introduction dolly (4) is connected with standard festival (5) of waiting to introduce, first pulley yoke (2) and second pulley yoke (21) set up in the top of introducing guide rail (1), the one end and the introduction dolly (4) of haulage rope (3) are connected, the other end of haulage rope (3) penetrates first pulley yoke (2) and second pulley yoke (21) in proper order and is connected with outside tower crane lifting hook, utilize the lifting performance of outside tower crane self to pull haulage rope (3) upwards, introduction dolly (4) are through haulage rope (3) and introduction guide rail (1) traction standard festival (5) of waiting to introduce and remove.
2. The traction device of the standard knot introducing frame of the swing arm tower crane according to claim 1, wherein the traction device comprises the following components: the front of the introduction guide rail (1) is provided with a second pulley frame fixing piece (12), the rear of the introduction guide rail (1) is provided with a first pulley frame fixing piece (11), and the first pulley frame fixing piece (11) and the second pulley frame fixing piece (12) are fixedly connected with the introduction guide rail (1) through external bolts respectively.
3. The traction device of the standard knot introducing frame of the swing arm tower crane according to claim 1, wherein the traction device comprises the following components: the second pulley frame (21) is arranged in front of the introduction guide rail (1), the second pulley frame (21) is fixedly connected with the second pulley frame fixing piece (12), the first pulley frame (2) is arranged behind the introduction guide rail (1), and the first pulley frame (2) is fixedly connected with the first pulley frame fixing piece (11).
4. The traction device of the standard knot introducing frame of the swing arm tower crane according to claim 1, wherein the traction device comprises the following components: the two ends of the traction rope (3) are respectively provided with a rope knot (31), the rope knot (31) at one end of the traction rope (3) is hung into the introduction trolley (4) to be connected, the rope knot (31) at the other end of the traction rope (3) is hung into an external tower crane lifting hook to be connected, and the traction rope (3) is arranged as a steel wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591389.0U CN219429560U (en) | 2022-12-30 | 2022-12-30 | Traction device of standard section introduction frame of movable arm tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223591389.0U CN219429560U (en) | 2022-12-30 | 2022-12-30 | Traction device of standard section introduction frame of movable arm tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219429560U true CN219429560U (en) | 2023-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223591389.0U Active CN219429560U (en) | 2022-12-30 | 2022-12-30 | Traction device of standard section introduction frame of movable arm tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219429560U (en) |
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2022
- 2022-12-30 CN CN202223591389.0U patent/CN219429560U/en active Active
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