CN220334552U - Roller changing trolley track - Google Patents
Roller changing trolley track Download PDFInfo
- Publication number
- CN220334552U CN220334552U CN202321769192.3U CN202321769192U CN220334552U CN 220334552 U CN220334552 U CN 220334552U CN 202321769192 U CN202321769192 U CN 202321769192U CN 220334552 U CN220334552 U CN 220334552U
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- China
- Prior art keywords
- guide rail
- trolley track
- rail frame
- changing trolley
- roll changing
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- 230000007306 turnover Effects 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model discloses a roll changing trolley track, which relates to the technical field of fourdrinier paper machines and comprises a counterweight and a guide rail frame, wherein a transverse moving trolley is arranged on the guide rail frame, and the tail end of the guide rail frame is rotationally connected with the counterweight through a folding structure. The center of mass of the guide rail frame is deviated when the balance weight is unfolded and folded, so that rollers can be carried through one-time lifting of the deviated center of mass position, the lifting position does not need to be adjusted again, the roller changing operation steps and the lifting position adjusting times are greatly simplified, the whole roller changing construction time is saved, the tail end of the guide rail frame is rotationally connected with the balance weight through a folding structure, the running crane is used for carrying out asymmetric lifting, the roller changing trolley track is placed in a limited space to realize roller changing, the roller changing trolley track and a fourdrinier paper machine are mounted in a non-integrated mode, the roller changing trolley track is prevented from being in a damp and hot working environment for a long time, and the service life of the roller changing trolley track is prolonged.
Description
Technical Field
The utility model relates to the technical field of fourdrinier machines, in particular to a roll changing trolley track.
Background
The rollers of the fourdrinier wire part are often distributed on the lower side of the frame or are arranged right above the rollers, and other equipment is arranged on the position where the travelling crane lifting hook of a workshop cannot reach, and under the condition, a common roller changing mode is to realize roller changing by utilizing a roller changing trolley, lifting lugs on the frame and partial hoisting rope locks; the roll changing trolley is arranged on a track between a base plate on the operation side and a base plate on the transmission side of the ground, and consists of two trolley groups which are overlapped together, and can move in the center line direction (longitudinal direction) and the track gauge direction (transverse direction) of the production line; when the roll changing operation is performed, the roll changing trolley is pushed to the vicinity of a using position, then lifting tools such as a lifting rope, a hand hoist and a lock catch are fixed on a frame girder or a lifting lug, the other end of the lifting rope is fixed on a roll, each fastener is loosened, then the roll is lowered onto the roll changing trolley, then the roll changing trolley is moved to a proper position along the center line direction of a production line, finally the transverse moving trolley (moving in the track gauge direction) on the roll changing trolley is pushed to move to the end point of the track gauge direction moving track of the roll changing trolley, the roll is lifted away by using a crane, then a new roll is lifted onto the roll changing trolley by using the crane, and finally the step of disassembling the roll is reversely repeated to reload the new roll.
The inventors found in the study that the conventional roll changing mechanism has at least the following disadvantages when in use:
firstly, when the roller is replaced, the roller replacing trolley is supported in the middle of the roller body of the roller, and when the roller replacing trolley transversely moves, only approximately half of the length of the roller can move to a lifting position of a crane, so that the crane is not beneficial to safe lifting, the lifting position needs to be adjusted for many times, the roller replacing work is troublesome, and workers with certain working experience are required to operate the roller replacing trolley;
secondly, the replaced roller is too close to the cross beam of the net part and the roller changing trolley, lifting tools such as a manual hoist are difficult to use, the roller is inconvenient to put on the roller changing trolley and lift from the trolley for loading back, and meanwhile, the crane lifting hook cannot directly lift the roller; when the roller is replaced, only lifting tools such as a manual hoist and the like can be used for adjusting the fixing position and the lifting position of the tool for many times, and special people are required to operate the lifting tool, so that the roller replacement is troublesome, and the construction time is prolonged;
thirdly, the roll changing trolley and the track thereof are integrally arranged on the fourdrinier paper machine, the equipment is in a wet and hot working environment for a long time and is often contacted with scattered pulp chemicals, the roll changing trolley needs to be made of corrosion-resistant materials, the weight of the roll changing trolley is heavier (more than one hundred kilograms), the cost is higher, and the service life is shorter than that of the conventional environment.
Disclosure of Invention
The utility model aims to provide a roll changing trolley track, which aims to solve the problems of complicated roll changing operation, inconvenient hoisting and shorter service life of the traditional roll changing mechanism.
In order to achieve the technical purpose, the utility model is realized by the following technical scheme:
a roll change trolley track, comprising:
a counterweight;
the guide rail frame is provided with a transverse moving trolley, and the tail end of the guide rail frame is rotatably connected with the counterweight through a folding structure.
In the scheme, the guide rail frame of the roll changing trolley track is longer than the width of the net part of the fourdrinier machine, the integral height of the roll changing trolley track is reduced relative to the height of the traditional roll changing mechanism, and the distance between the roll and the transverse moving trolley is increased, so that the roll changing space is increased; when the roll changing trolley track is used, the travelling crane is used for hoisting the roll to the vicinity of the roll changing position, the guide rail frame is placed below the roll (the length of the guide rail frame is enough to ensure that the counterweight is unfolded), the roll changing trolley track is placed down, the counterweight is unfolded through the folding structure, the mass center of the roll changing trolley track is offset towards the counterweight direction at the moment, the hoisting position is adjusted to the mass center position when the counterweight is unfolded, the roll changing trolley track is hoisted to the appointed position, the lifting tool such as a manual hoist is used for hoisting the roll on the transverse moving trolley during roll changing, then the transverse moving trolley moves along the track on the guide rail frame, at the moment, the roll can be moved out of the production line frame for a large part, so that the roll can be transported by one-time hoisting of the travelling crane, the hoisting position does not need to be adjusted again, the roll changing operation step and the hoisting position adjustment times are greatly simplified, the whole roll changing construction time is saved, the tail end of the guide rail frame is rotationally connected with the counterweight through the folding structure, the asymmetric hoisting is performed by using the travelling crane, the roll changing trolley track is placed in a limited space, the roll changing trolley track is realized, and the roll changing is also can be carried out, and the roll changing trolley and the roll is not integrated with a long-roll machine, and the roll changing trolley is not in a long-roll machine, and a long-roll machine is in a long-running machine environment.
As a further technical scheme of the roller changing trolley track, the guide rail frame is provided with an unfolding mass center and a folding mass center, and the positions of the unfolding mass center and the folding mass center on the guide rail frame correspond to the unfolding state and the folding state of the counterweight, so that accurate positioning can be realized when the hoisting position is switched.
As a further technical scheme of the roll changing trolley track, lifting lugs are arranged at the unfolding mass center and the folding mass center, so that the roll changing trolley is convenient to hoist and fix.
As a further technical scheme of the roll changing trolley track, because the space reserved in the production field generally cannot exceed the corresponding space occupied by the fourdrinier paper machine, in order to realize that the rolls are moved out a sufficient distance and meet the lifting requirement, the folding structure comprises a turnover support and a rotating shaft, the rotating shaft is rotationally connected with the tail end of the guide rail frame, two ends of the turnover support are respectively connected with the counterweight and the rotating shaft, the roll changing trolley track is placed in a limited space through the turnover folding structure, and the roll changing purpose is achieved.
As a further technical scheme of the roll changing trolley track, the tail end of the guide rail frame is connected with a limiting plate, and the limiting plate is positioned on the rotating path of the overturning bracket and used for limiting the overturning angle of the overturning bracket.
As a further technical scheme of the roll changing trolley track, two side ends of the turnover support are provided with turnover handles, and the turnover handles are convenient for folding the counterweight.
As a further technical scheme of the roller changing trolley track, the guide rail frame comprises channel steel with opposite openings, and the transverse moving trolley is in sliding connection with the channel steel, so that the transverse moving trolley is convenient to transport rollers.
As a further technical scheme of the roll changing trolley track, the head ends and the tail ends of the channel steel which are oppositely arranged are connected through reinforcing ribs in a welding mode, so that reliability of the roll changing trolley track is improved.
As a further technical scheme of the roll changing trolley track, a plurality of connecting rods are connected between the channel steels which are oppositely arranged, so that the reliability of the roll changing trolley track is improved.
As a further technical scheme of the roller changing trolley track, the connecting rods are rotationally connected between the channel steel, so that the trolley can conveniently move transversely to transport rollers.
Compared with the prior art, the utility model has the beneficial effects that:
in summary, the utility model provides a roll changing trolley track, the tail end of the guide rail frame of the roll changing trolley track is rotationally connected with the counterweight through the folding structure, so that the center of mass of the guide rail frame is deviated when the counterweight is unfolded and folded, the roll can be carried through one-time lifting of the deviated center of mass position, the lifting position is not required to be adjusted again, the roll changing operation steps and the lifting position adjustment times are greatly simplified, the whole roll changing construction time is saved, and the space reserved in the production field generally does not exceed the corresponding space occupied by a paper machine, so that the roll is moved out for a sufficient distance, the lifting requirement is met, the tail end of the guide rail frame is rotationally connected with the counterweight through the folding structure, the asymmetric lifting is performed by using a crane, the aim of placing the roll changing trolley track in a limited space to realize roll changing is also achieved, the roll changing trolley track and the long-net paper machine are mounted in a non-integrated manner, the roll changing trolley track is prevented from being in a wet and hot working environment for a long time, and the service life of the roll changing trolley track is prolonged.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic view of a roll changing trolley track in use in an installed state;
fig. 2 is a schematic side view structure of a roll changing trolley rail in a folded state;
FIG. 3 is a schematic three-dimensional structure of a roll changing trolley track in an unfolded state;
fig. 4 is a schematic three-dimensional structure diagram of a roll changing trolley rail in a folded state;
fig. 5 is a schematic view of an installation and use environment of a roll changing trolley track.
In the drawings, the reference numerals and corresponding part names:
the device comprises a guide rail frame 1, an unfolding mass center 2, a lifting mechanism 3, a transverse moving trolley 4, a rotating shaft 5, a turning support 6, a counterweight 7, a folding mass center 8, a connecting rod 9, channel steel 10, a turning handle 11, reinforcing ribs 12 and a limiting plate 13.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
Examples
The embodiment provides a roll changing trolley track, as shown in fig. 1-2, including counter weight 7 and guide rail frame 1, wherein guide rail frame 1 includes the channel-section steel 10 that the opening set up relatively, channel-section steel 10 top is provided with lateral shifting dolly 4, this lateral shifting dolly 4 and channel-section steel 10 sliding connection, and the tail end of guide rail frame 1 rotates with counter weight 7 through folding structure and is connected, make the barycenter position of guide rail frame 1 take place the skew when counter weight 7 expands with folding, in order to can pinpoint the barycenter when switching hoisting position, be provided with on guide rail frame 1 and expand barycenter 2 and folding barycenter 8, and all set up the lug in expansion barycenter 2 and folding barycenter 8 department, and the position of expansion barycenter 2 and folding barycenter 8 on guide rail frame 1 corresponds to the expansion state and the folding state of counter weight 7.
Referring to fig. 3 and 4, the above-mentioned folding structure includes a turnover bracket 6 and a rotation shaft 5, the rotation shaft 5 is rotatably connected with the tail end of the guide rail frame 1, two ends of the turnover bracket 6 are respectively connected with a counterweight 7 and the rotation shaft 5, two side ends of the turnover bracket 6 are provided with turnover handles 11 for turning the counterweight 7, the roll changing trolley track is placed in a limited space through the turnover folding structure, in this embodiment, the folding structure may also be a telescopic rod structure, but there is a problem that the counterweight 7 is inconvenient to adjust, meanwhile, in order to limit the turning angle of the turnover bracket 6, the tail end of the guide rail frame 1 is connected with a limiting plate 13, and the limiting plate 13 is located on the rotation path of the turnover bracket 6, so that the turnover bracket 6 and the guide rail frame 1 are in the same straight line.
In order to improve the reliability of the roller changing trolley track, referring to fig. 3, the head and the tail of the oppositely arranged channel steels 10 are welded and connected through reinforcing ribs 12, a plurality of connecting rods 9 are rotationally connected between the channel steels 10, and the transverse moving trolley 4 slides on the connecting rods 9, so that the transverse moving trolley 4 is convenient for transporting rollers.
Working principle:
referring to fig. 1-2 and 5, when the roll changing trolley track is used, the lifting mechanism 3 is lifted on the lifting lug at the folding centroid 8, the roll changing trolley track is placed near the roll changing position, the guide rail frame 1 is placed below the rolls (the length of the guide rail frame is enough to ensure that the counterweight is unfolded), the roll changing trolley track is placed down, the lifting mechanism 3 is used for unfolding the overturning bracket 3, the centroid of the roll changing trolley track is offset towards the direction of the counterweight 7, the lifting position is adjusted to the lifting lug at the unfolding centroid 2, the roll changing trolley track is lifted to the designated position by the lifting mechanism 3, the rolls are lifted on the transverse moving trolley 4 by using lifting tools such as a manual hoist and the like during roll changing, then the transverse moving trolley 4 moves along the track on the guide rail frame, and most of the rolls can be moved out of the production line frame at the moment, so that the rolls can be conveyed by one-time lifting of the lifting mechanism 3 without adjusting the lifting position again.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A roll changing trolley track, comprising:
a counterweight (7);
the guide rail frame (1), be provided with lateral shifting dolly (4) on guide rail frame (1), the tail end of guide rail frame (1) with counter weight (7) are through folding structure rotation connection.
2. A roll changing trolley track according to claim 1, characterized in that the guide rail frame (1) is provided with an unfolding centroid (2) and a folding centroid (8), the positions of the unfolding centroid (2) and the folding centroid (8) on the guide rail frame (1) corresponding to the unfolded state and the folded state of the counterweight (7).
3. A roll changing trolley track according to claim 2, characterized in that lifting lugs are provided at both the unfolding centroid (2) and the folding centroid (8).
4. The roll changing trolley track according to claim 1, wherein the folding structure comprises a turnover bracket (6) and a rotating shaft (5), the rotating shaft (5) is rotatably connected with the tail end of the guide rail frame (1), and two ends of the turnover bracket (6) are respectively connected with the counterweight (7) and the rotating shaft (5).
5. A roll changing trolley track according to claim 4, characterized in that the tail end of the guide rail frame (1) is connected with a limiting plate (13), and the limiting plate (13) is positioned on the rotating path of the turning support (6).
6. A roll changing trolley track according to claim 4, characterized in that the two side ends of the tilting bracket (6) are provided with tilting handles (11).
7. A roll changing trolley track according to claim 1, characterized in that the guide rail frame (1) comprises channel steel (10) with opposite openings, and the transverse moving trolley (4) is slidingly connected with the channel steel (10).
8. A roll changing trolley track according to claim 7, characterized in that the oppositely arranged channel steels (10) are welded together end to end by means of reinforcing bars (12).
9. A roll changing trolley track according to claim 7, characterized in that a plurality of connecting rods (9) are connected between the oppositely arranged channel steels (10).
10. A roll changing trolley track according to claim 9, characterized in that the connecting rods (9) are rotatably connected between the channels (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769192.3U CN220334552U (en) | 2023-07-06 | 2023-07-06 | Roller changing trolley track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321769192.3U CN220334552U (en) | 2023-07-06 | 2023-07-06 | Roller changing trolley track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220334552U true CN220334552U (en) | 2024-01-12 |
Family
ID=89449880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321769192.3U Active CN220334552U (en) | 2023-07-06 | 2023-07-06 | Roller changing trolley track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220334552U (en) |
-
2023
- 2023-07-06 CN CN202321769192.3U patent/CN220334552U/en active Active
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