CN218270222U - Trolley track door opening device - Google Patents
Trolley track door opening device Download PDFInfo
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- CN218270222U CN218270222U CN202222494939.0U CN202222494939U CN218270222U CN 218270222 U CN218270222 U CN 218270222U CN 202222494939 U CN202222494939 U CN 202222494939U CN 218270222 U CN218270222 U CN 218270222U
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Abstract
The utility model discloses a platform truck track door opener, it includes: the head wheel outer rails are provided with at least one section as a moving rail, the moving rails on the head wheel outer rails are arranged oppositely, the end parts of the moving rails are provided with sliding blocks, the joint parts of the head wheel outer rails and the end parts of the moving rails, which are provided with the sliding blocks, are provided with sliding ways matched with the sliding blocks, and the sliding ways are arranged along the axial direction of the head wheels, so that the moving rails can move to the outer sides of the head wheels, and further gaps are formed on the head wheel outer rails; and a telescopic mechanism is arranged on the outer side of each moving track and is connected with the moving track so as to drive the moving track to be separated from the head wheel outer track or be embedded on the head wheel outer track. The utility model discloses can realize automatic opening track, self-closing track, practice thrift the manpower, it is consuming time to shorten the platform truck and change.
Description
Technical Field
The utility model relates to a roasting machine field. More specifically, the utility model relates to a platform truck track door opener.
Background
The belt roasting machine is a thermal equipment for producing pellet materials for a blast furnace, the main body of the belt roasting machine is an annular chain breaking mechanism consisting of a trolley, a head big gear wheel 1 drives the trolley 2 to move (shown in figure 1), a tail big gear wheel 3 follows, a fixed track (comprising an inner track and an outer track) is arranged outside the head big gear wheel 1 (a head wheel) and the tail big gear wheel 3 (a tail wheel), the inner track comprises a head wheel inner track 4, a tail wheel inner track 5 and a trolley upper track 6 connected between the head wheel inner track and the tail wheel inner track, the outer track comprises a head wheel outer track 7, a tail wheel outer track 8 and a trolley lower track 9 connected between the head wheel outer track and the tail wheel outer track) so as to limit and guide the wheels of the trolley. Because the trolley of the belt type roasting machine operates in a high-temperature environment all the year round, the grate bars, the breast boards and the wheels of the trolley are all quick-wear parts and are very easy to wear and deform, so that the trolley needs to be unloaded from a fixed track for maintenance and replacement.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model also aims at providing a platform truck track door opener can realize opening the track, self-closing track voluntarily, practices thrift the manpower, shortens the platform truck and changes consuming time.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a trolley rail door opening device, comprising: the head wheel outer rails are provided with at least one section as a moving rail, the moving rails on the head wheel outer rails are arranged oppositely, the end parts of the moving rails are provided with sliding blocks, the joint parts of the head wheel outer rails and the end parts of the moving rails, which are provided with the sliding blocks, are provided with sliding ways matched with the sliding blocks, and the sliding ways are arranged along the axial direction of the head wheels, so that the moving rails can move to the outer sides of the head wheels, and further gaps are formed on the head wheel outer rails;
and a telescopic mechanism is arranged on the outer side of each moving track and is connected with the moving track so as to drive the moving track to be separated from the head wheel outer track or be embedded on the head wheel outer track.
Preferably, the method further comprises the following steps:
the two sides of the wheel path of the trolley in front of the front end of each moving track are respectively provided with one proximity switch, and the front end of each moving track refers to one end of the moving track which contacts the trolley firstly in the movement process of the trolley;
and the PLC is respectively connected with the proximity switch and the telescopic mechanism and is used for controlling the telescopic mechanism to act based on time sequence counting after receiving the signal sent by the proximity switch.
Preferably, each head wheel outer rail is provided with two moving rails, namely an upper moving rail and a lower moving rail, the lower moving rail is positioned at the joint of the lower part of the head wheel outer rail and the lower horizontal rail of the trolley so as to move out the old trolley, and the upper moving rail is positioned at the upper part of the head wheel outer rail and close to the upper horizontal rail of the trolley so as to lift the new trolley.
Preferably, it is provided with first supporting wheel to move down track front end bottom, first supporting wheel below is provided with first frame, be provided with in the first frame with the first supporting wheel track of first supporting wheel adaptation, first supporting wheel track is followed head pulley axial sets up, it is provided with horizontally second supporting wheel to move down track rear end convex surface, be provided with on the outer track of head pulley with the second frame that the second supporting wheel is relative, be provided with in the second frame with the second supporting wheel track of second supporting wheel adaptation, second supporting wheel track also is followed head pulley axial sets up.
Preferably, the telescopic mechanism is an electric cylinder or a hydraulic cylinder.
Preferably, the slide block is T-shaped in cross section, the vertical part of the T-shape is vertically connected to the end surface of the moving track, and the slide rail is T-shaped in cross section and matched with the slide block.
The utility model discloses at least, include following beneficial effect: the utility model realizes the full-mechanized door opening and closing of the trolley track by setting partial sections of the head wheel outer track as the movable tracks and driving the movable tracks to separate from the head wheel outer track or embed into the head wheel outer track through the telescopic mechanism, thereby saving manpower and time;
furthermore, the proximity switch and the PLC are arranged, the proximity switch is used for triggering a door opening signal, the PLC automatically controls the moving track to be separated from the head wheel outer track, when the next time sequence comes, the PLC automatically controls the moving track to be embedded into the head wheel outer track, and therefore full-automatic door opening and closing of the trolley track is achieved.
Furthermore, by arranging the upper moving track and the lower moving track, when the old damaged trolley on the trolley track needs to be moved out and the new trolley needs to be hung, the upper moving track and the lower moving track can be respectively opened or closed without mutual interference, the moving-out of the old damaged trolley and the hanging-in of the new trolley are synchronously carried out, and the working efficiency is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic side view of a head wheel, a tail wheel, a fixed rail and a trolley of a belt type roasting machine in the prior art;
fig. 2 is a schematic side view of a trolley track door opener according to an embodiment of the present invention;
fig. 3 is a schematic side view of a part of the lower moving track according to the embodiment of the present invention;
fig. 4 is a schematic side view of the upper moving track according to the embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials described therein are commercially available unless otherwise specified; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 2-4, the utility model provides a platform truck track door opener, it includes: a pair of head wheel outer rails 7, at least one section of each head wheel outer rail 7 is a moving rail, the moving rails on the pair of head wheel outer rails 7 are arranged oppositely, a sliding block 10 is arranged at the end part of each moving rail, a slide way matched with the sliding block 10 is arranged at the joint of the head wheel outer rail 7 and the end part of the moving rail with the sliding block 10, and the slide way is arranged along the axial direction of the head wheel 1, so that the moving rails move to the outer side of the head wheel 1, and further a gap is formed on the head wheel outer rail 7;
a telescopic mechanism 11 is arranged on the outer side of each moving track, and the telescopic mechanism 11 is connected with the moving tracks so as to drive the moving tracks to be separated from the head wheel outer tracks 7 or to be embedded on the head wheel outer tracks 7.
Specifically, each head wheel outer rail 7 can be provided with two moving rails, namely an upper moving rail 12 and a lower moving rail 13, the lower moving rail 13 is positioned at the lower part of the head wheel outer rail 7 and is connected with a lower horizontal rail of the trolley so as to move out the old trolley, and the upper moving rail 12 is positioned at the upper part of the head wheel outer rail 7 and is close to the upper horizontal rail of the trolley so as to lift in a new trolley.
Here, it is desirable that a horizontal first spare rail 14 is provided to extend along the lower horizontal rail of the trolley at a junction where the lower horizontal rail of the trolley and the lower moving rail 13 are connected, so that when the lower moving rail 13 is separated from the head wheel outer rail 7 and the old and bad trolleys are pushed by the teeth of the head wheel 1 to move out of the trolley rails from the notches on the head wheel outer rail 7, the old and bad trolleys can just enter the first spare rail 14, which is convenient for the staff to overhaul and maintain.
It is further desirable that a second spare rail 15 is provided in a horizontal direction on a side of the upper moving rail 12 facing away from the head wheel 1, and a new trolley to be used is laid on the second spare rail 15 so that when the upper moving rail 12 is separated from the head wheel outer rail 7, the new trolley is pushed to enter the tooth spaces between the teeth of the head wheel 1, and the teeth of the head wheel 1 directly push the new trolley into the trolley rail.
Specifically, the telescopic mechanism 11 may be an electric cylinder or a hydraulic cylinder, where the telescopic mechanism 11 may be mounted on a steel frame on both sides of the roasting machine.
Specifically, the slide block 10 is T-shaped in cross section, the vertical part of the T-shape is vertically connected to the end face of the moving track, and the cross section of the slide way is T-shaped and matched with the slide block 10. When the moving track is embedded in the head wheel outer track 7, the T-shaped slide block 10 and the T-shaped slide way are connected and matched to play a role in positioning in four directions of up, down, left and right, and simultaneously bear the load brought by the trolley. When the moving track needs to move, the T-shaped sliding block 10 and the T-shaped slide way can be connected and matched to achieve limiting, guiding and renting.
In the use process of the embodiment, part of the segments of the head wheel outer tracks 7 are set as the moving tracks, and the telescopic mechanisms 11 are used for driving the moving tracks to be separated from the head wheel outer tracks 7 or embedded into the head wheel outer tracks 7, so that the fully-mechanized door opening and closing of the trolley tracks are realized, and the labor and the time are saved. Furthermore, by arranging the upper moving track 12 and the lower moving track 13, when a damaged old trolley on the trolley track needs to be moved out and a new trolley needs to be hung, the upper moving track 12 and the lower moving track 13 can be respectively opened or closed without mutual interference, the damaged old trolley is moved out and the new trolley is hung in the trolley track synchronously, and the working efficiency is improved.
In another embodiment, the trolley rail door opening device further comprises:
the proximity switches 16 are respectively arranged on two sides of a wheel path of the trolley in front of the front end of each moving track, and the front end of each moving track refers to one end, which is firstly contacted with the trolley, of the moving track in the movement process of the trolley;
and the PLC is respectively connected with the proximity switch 16 and the telescopic mechanism 11 and is used for controlling the telescopic mechanism 11 to act based on time sequence counting after receiving a signal sent by the proximity switch 16.
When the embodiment is used, all the trolleys on the belt type roasting machine can be numbered respectively, an annular numbering chain is established, a first trolley is set, and meanwhile, the PLC is interlocked with the speed of the roasting machine to perform time sequence counting so as to determine the number and the position of the trolleys;
for two proximity switches 16 in front of the front end of the lower moving track 13, one proximity switch is used for sensing the wheel teeth of the head wheel 1 to judge whether a bad and old trolley arrives, the other proximity switch is used for sensing the wheels of the trolley to judge whether the trolley arrives in place, when the trolley is unloaded, the serial number and the position of the bad and old trolley needing unloading are determined through a PLC (programmable logic controller), when the serial number trolley position is close to the proximity switch 16 in front of the front end of the lower moving track 13, the wheel teeth of the head wheel 1 trigger one proximity switch 16, the other proximity switch 16 judges whether the trolley exists between the wheel teeth, if the trolley exists, the door opening action is carried out, and if the trolley does not exist, the door opening action is not carried out. When the door is opened, after the electric cylinder or the hydraulic cylinder receives a PLC door opening command, the lower moving rails 13 are driven to move laterally towards the roasting machine along the slide ways, the two lower moving rails 13 are moved to the left side and the right side of the roasting machine to make room for the wheels of the nostalgic trolley, and the damaged old trolley leaves the trolley rails under the pushing of the first wheel 1 gear teeth. When the old damaged trolley leaves the lower moving track 13, the PLC controls the lower moving track 13 to realize the action of closing the door, after the electric cylinder or the hydraulic cylinder receives the PLC command of closing the door, the lower moving track 13 is driven to move to the roasting machine along the slide way, and after the two lower moving tracks 13 are respectively embedded into the pair of head wheel outer tracks 7, the trolley tracks form a closed loop again.
For two proximity switches 16 in front of the front end of the upper moving track 12, one proximity switch is used for sensing the wheel teeth of the head wheel 1 to judge whether a bad and old trolley arrives, the other proximity switch is used for sensing the wheels of the trolley to judge whether the trolley arrives in place, when the trolley is loaded, the wheel teeth of the head wheel 1 trigger one proximity switch 16, the other proximity switch 16 judges whether the trolley exists between the teeth, if no trolley exists, the door opening action is carried out, and if the trolley exists, the door opening action is not carried out. When the door is opened, after the electric cylinder or the hydraulic cylinder receives a PLC door opening command, the upper moving track 12 is driven to move laterally to the roasting machine along the slide way, the two upper moving tracks 12 move to the left side and the right side of the roasting machine to make room for new trolley wheels, and the new trolley wheels enter the trolley tracks under the pushing of the teeth of the head wheel 1 after entering the tooth grooves between the teeth of the head wheel 1. When a new trolley enters the trolley track, the PLC time sequence controls the upper moving track 12 to realize the action of closing the door, after the electric cylinder or the hydraulic cylinder receives the PLC door closing command, the upper moving track 12 is driven to move to the roasting machine along the slide way, and after the two upper moving tracks 12 are respectively embedded into the pair of head wheel outer tracks 7, the trolley track forms a closed loop again.
In the use process of the embodiment, the proximity switch 16 and the PLC are arranged, the proximity switch 16 is used for triggering the door opening signal, the PLC automatically controls the moving track to be separated from the head wheel outer track 7, when the next time sequence comes, the PLC automatically controls the moving track to be embedded on the head wheel outer track 7, and the full-automatic door opening and closing of the trolley track is realized.
In another embodiment, a first supporting wheel 17 is arranged at the bottom of the front end of the lower moving track 13, a first frame 18 is arranged below the first supporting wheel 17, a first supporting wheel track 19 adapted to the first supporting wheel 17 is arranged on the first frame 18, the first supporting wheel track 19 is arranged along the axial direction of the head wheel 1, a horizontal second supporting wheel 20 is arranged on the convex surface of the rear end of the lower moving track 13, a second frame 21 opposite to the second supporting wheel 20 is arranged on the head wheel outer track 7, a second supporting wheel track 22 adapted to the second supporting wheel 20 is arranged on the second frame 21, and the second supporting wheel track 22 is also arranged along the axial direction of the head wheel 1.
Here, since the lower moving rail 13 is required to bear the weight load of the trolley, and the slide is easily deformed by a force in a long term use, the above embodiment is provided with the first support wheels 17 and the second support wheels 20 to bear the weight load of the trolley, and prevents the slide from deforming by a force, and since the upper moving rail 12 does not bear the weight load of the trolley, there is no need to provide the support wheels on the upper moving rail 12.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (6)
1. A trolley track door opening device, comprising: the pair of head wheel outer rails is characterized in that at least one section of each head wheel outer rail is a moving rail, the moving rails on the pair of head wheel outer rails are arranged oppositely, a sliding block is arranged at the end part of each moving rail, a sliding way matched with the sliding block is arranged at the joint of the head wheel outer rail and the end part of each moving rail, which is provided with the sliding block, and the sliding way is arranged along the axial direction of the head wheel, so that the moving rails can move to the outer sides of the head wheel, and a gap is formed on the head wheel outer rails;
and a telescopic mechanism is arranged on the outer side of each moving track and is connected with the moving track so as to drive the moving track to be separated from the head wheel outer track or be embedded on the head wheel outer track.
2. The trolley track door opener of claim 1, further comprising:
the proximity switches are respectively arranged on two sides of a wheel path of the trolley in front of the front end of each moving track, and the front end of each moving track refers to one end, which is firstly contacted with the trolley, of the moving track in the movement process of the trolley;
and the PLC is respectively connected with the proximity switch and the telescopic mechanism and is used for controlling the telescopic mechanism to act based on time sequence counting after receiving the signal sent by the proximity switch.
3. The door opener according to claim 2, wherein two moving rails are provided on each of the head-wheel outer rails, an upper moving rail and a lower moving rail, respectively, the lower moving rail being located at a lower portion of the head-wheel outer rails to be engaged with a lower horizontal rail of the dolly so that the worn dolly can be moved out, and the upper moving rail being located at an upper portion of the head-wheel outer rails to be adjacent to an upper horizontal rail of the dolly so that a new dolly can be hung in.
4. The door opener according to claim 3, wherein a first support wheel is disposed at a bottom of a front end of the lower moving rail, a first frame is disposed below the first support wheel, a first support wheel rail adapted to the first support wheel is disposed on the first frame, the first support wheel rail is disposed along an axial direction of the head wheel, a horizontal second support wheel is disposed on a convex surface of a rear end of the lower moving rail, a second frame opposite to the second support wheel is disposed on the outer rail of the head wheel, a second support wheel rail adapted to the second support wheel is disposed on the second frame, and the second support wheel rail is also disposed along the axial direction of the head wheel.
5. The trolley track door opener of claim 1, wherein the telescoping mechanism is an electric or hydraulic cylinder.
6. The door opener according to claim 1, wherein the slider has a T-shaped cross section, a vertical portion of the T-shape is vertically connected to an end surface of the moving rail, and the slide has a T-shaped cross section adapted to the slider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222494939.0U CN218270222U (en) | 2022-09-20 | 2022-09-20 | Trolley track door opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222494939.0U CN218270222U (en) | 2022-09-20 | 2022-09-20 | Trolley track door opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218270222U true CN218270222U (en) | 2023-01-10 |
Family
ID=84715468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222494939.0U Active CN218270222U (en) | 2022-09-20 | 2022-09-20 | Trolley track door opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218270222U (en) |
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2022
- 2022-09-20 CN CN202222494939.0U patent/CN218270222U/en active Active
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