CN220744338U - Adjustable derailment prevention device for safety walking trolley - Google Patents
Adjustable derailment prevention device for safety walking trolley Download PDFInfo
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- CN220744338U CN220744338U CN202321854249.XU CN202321854249U CN220744338U CN 220744338 U CN220744338 U CN 220744338U CN 202321854249 U CN202321854249 U CN 202321854249U CN 220744338 U CN220744338 U CN 220744338U
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- wheel
- bracket
- derailment
- adjustable
- support plate
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- 230000002265 prevention Effects 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable derailment preventing device of a safe walking trolley, which comprises two pairs of derailment preventing units; each derailment prevention unit comprises a bracket and a pair of elastic mechanisms which are oppositely distributed on the two sides of the track, wherein the bracket is fixedly connected with the front end/the rear end of the main frame of the travelling trolley; each elastic mechanism comprises: the wheel frame is movably connected with the bracket left and right; the rail clamping wheel rotates to be connected with the wheel frame; an elastic body and a spring support plate thereof, the spring support plate is fixedly connected with a bracket, the wheel frame is elastically connected with the spring support plate through the elastic body, the elastic force of the elastic body drives the lower rail clamping wheel to be in rolling contact with the side wall of the rail, so that the potential safety hazard of derailment is effectively eliminated.
Description
Technical Field
The utility model relates to the technical field of engineering equipment, in particular to a travelling trolley of a stacker-reclaimer.
Background
The stacker-reclaimer is high-efficiency loading and unloading equipment for continuous conveying of large-scale dry bulk storage yards, taking bucket-wheel stacker-reclaimer as an example, and comprises a rubber belt conveying arm capable of pitching and horizontally swinging, a bucket wheel at the front end of the rubber belt conveying arm, a rack and a running mechanism, wherein the belt can run bidirectionally, the bucket wheel is used for taking materials and is sent out through the conveying arm when the materials are taken, and the goods conveyed by a main conveyor are thrown to the yards through the conveying arm when the materials are stacked.
The Chinese patent with the issued publication number of CN218173944U discloses a diagonal arm structure of a stacker-reclaimer, the stacker-reclaimer and a control system, and referring to the drawings, a travelling mechanism of the stacker-reclaimer is provided with two groups of travelling wheels distributed left and right, and the travelling wheels are rotatably connected with a bracket of the travelling mechanism.
In order to make the running track have guiding property, the running wheels are in rolling fit with the track, and a running mechanism (also called a running trolley) of the running track is provided with a power device, so that the running wheels can be driven to roll back and forth on the track.
In the daily operation process of the stacker-reclaimer, the travelling wheels are separated from the rails due to various reasons in the process that the travelling mechanisms are started back and forth on the rails, if serious safety accidents of side turning of the stacker-reclaimer are not found in time, the rails are not straight due to machining errors and installation errors, and potential safety hazards of derailment are also generated, so that the derailment prevention device is required to be provided.
Disclosure of Invention
The utility model aims to provide an adjustable derailment preventing device for a safe walking trolley, so that the potential safety hazard of derailment is effectively eliminated.
The purpose of the utility model is realized in the following way: an adjustable derailment preventing device of a safe traveling trolley, which is used for preventing traveling wheels of a main frame of the traveling trolley from being separated from T-shaped tracks, comprises two pairs of derailment preventing units, two pairs of derailment prevention units are distributed left and right and respectively correspond to two groups of walking wheels distributed left and right, and the front side and the rear side of each group of walking wheels are respectively provided with a derailment prevention unit;
each derailment prevention unit comprises a bracket and a pair of elastic mechanisms which are oppositely distributed on two sides of the track left and right, wherein the bracket is fixedly connected with the front end/rear end of the main frame of the travelling trolley;
each elastic mechanism comprises:
the wheel frame is movably connected with the bracket left and right;
the rail clamping wheel rotates to be connected with the wheel frame;
the elastic body and the spring support plate thereof are arranged, the spring support plate is fixedly connected with the support, the wheel frame is elastically connected with the spring support plate through the elastic body, and the rail clamping wheel is driven to roll and contact with the side wall of the track under the action of the elastic force of the elastic body.
The utility model has the beneficial effects that:
under the drive of elastomer, the elastomer of two elastic mechanism drives two clamp rail wheels and centre gripping track relatively all the time, combines orbital T shape structure, can prevent the production of derailment phenomenon to can overcome the characteristics that the track is not straight, can be in the walking in-process automatically regulated clamp rail wheel's position, prevent the production of derailment phenomenon.
Drawings
Fig. 1 is an end view schematic of the present utility model.
FIG. 2 is a schematic diagram of the relationship between the present utility model and a track.
Fig. 3 is a schematic diagram of the installation relationship of the present utility model.
Reference numerals illustrate: 1-a bracket; 1 a-a movable through hole; 2-a buffer structure; 3-track; 4-clamping rail wheels; 5-wheel bar; 6-a telescopic shaft; 7-a spring; 8-spring support plates; 9-a main frame; 10-travelling wheels; 11-limiting frame.
Detailed Description
The utility model will be further described with reference to figures 1-3 and the specific examples.
As shown in fig. 1-3, an adjustable derailment preventing device for a safe traveling trolley is used for preventing traveling wheels 10 of a main frame 9 of the traveling trolley from being separated from a track 3, and comprises two pairs of derailment preventing units, wherein the two pairs of derailment preventing units are distributed left and right and respectively correspond to two groups of traveling wheels 10 distributed left and right, and each group of traveling wheels 10 is provided with a derailment preventing unit at the front side and the rear side.
In this embodiment, the track 3 is a conventional light rail, and is a T-shaped light rail structure.
Each derailment prevention unit comprises a bracket 1 and a pair of elastic mechanisms which are oppositely distributed on the two sides of the track 3, wherein the bracket 1 is fixedly connected with the front end/the rear end of a main frame 9 of the travelling trolley.
Each elastic mechanism comprises:
the wheel frame is movably connected with the bracket 1 left and right;
the rail clamping wheel 4 is rotationally connected with the wheel frame;
the elastic body and the spring support plate 8 thereof, the spring support plate 8 is fixedly connected with the support 1, the wheel frame is elastically connected with the spring support plate 8 through the elastic body, and the elastic force of the elastic body drives the lower rail clamping wheel 4 to be in rolling contact with the side wall of the rail 3.
Therefore, under the drive of the elastic bodies, the elastic bodies of the two elastic mechanisms drive the two rail clamping wheels 4 to clamp the rail 3 relatively all the time, and the T-shaped structure of the rail 3 is combined, so that the travelling wheels 10 can be prevented from being separated from the rail 3, the derailment phenomenon can be prevented, the characteristic that the rail 3 is not straight can be overcome, the position of the rail clamping wheels 4 can be automatically adjusted in the travelling process, and the derailment phenomenon can be prevented.
The support 1 is formed by fixedly connecting a bottom plate 1b, a vertical plate 1c and two vertical reinforcing rib plates 1d, wherein the bottom plate 1b is horizontally arranged, the vertical plate 1c is vertically arranged and fixedly connected with the bottom plate 1b, and the two reinforcing rib plates 1d are distributed left and right and are fixedly connected with the bottom plate 1b and the vertical plate 1c.
As one of the preferable schemes of the elastic adjustment scheme of the rail clamping wheel 4, the bracket 1 is provided with two movable penetrating holes 1a which are distributed side by side left and right, are positioned on the bottom plate 1b, are vertically penetrated, and are in a bar shape, namely, the movable penetrating holes 1a are vertically penetrated on the bottom plate 1b, the two movable penetrating holes 1a respectively correspond to a pair of elastic mechanisms, the movable penetrating holes 1a horizontally extend along the left and right direction, and the wheel frame horizontally movably penetrates the movable penetrating holes 1a, so that the horizontal adjustment direction of the rail clamping wheel 4 and the wheel frame thereof is guided by the movable penetrating holes 1 a.
As one of preferable structural forms of the wheel frame, the above wheel frame includes:
the vertical wheel rod 5, the wheel rod 5 is in sliding connection with the movable through hole 1a left and right, the rail clamping wheel 4 is rotationally sleeved with the lower end of the wheel rod 5 and is positioned below the bracket 1, and the upper end of the wheel rod 5 is elastically connected with the spring support plate 8 through an elastomer;
the telescopic shaft 6, the telescopic shaft 6 extends horizontally and is parallel to the length direction of the movable penetrating hole 1a, the wheel rod 5 is positioned between the two reinforcing rib plates 1d, the upper end of the wheel rod 5 is fixedly connected with the telescopic shaft 6, and the telescopic shaft 6 movably penetrates through the reinforcing rib plates 1d and the spring support plate 8.
The elastic body is set as a spring 7, the spring support plate 8 is positioned at the outer side of the reinforcing rib plate 1d, the spring 7 is movably sleeved with the telescopic shaft 6, two ends of the telescopic shaft are respectively connected with the wheel rod 5 and the spring support plate 8, the spring 7 movably passes through the reinforcing rib plate 1d of the bracket 1, in the embodiment, the spring support plate 8 is set as an elastic support foundation, when the clamping rail wheel 4 receives counter force of the rail 3, the spring 7 is in a compressed state, and the spring support plate 8 provides a bearing foundation for the spring 7.
The telescopic shaft 6 plays a role in further guiding the automatic adjustment direction of the rail clamping wheel 4, and stability and reliability are enhanced.
When the stacker-reclaimer moves, if the unilateral walking trolley is tilted, the two sides of the trolley are driven by the springs 7, the two sides of the trolley are clamped with the rail 3 relatively, the upper edge of the rail 3 can be tightly buckled by the trolley 4, so that derailment is prevented, and meanwhile, the trolley 4 can overcome the elasticity of the springs 7 to carry out automatic adaptive adjustment in order not to influence normal walking because the rail 3 is not flat.
The rail clamping wheel 4 and the elastic mechanism thereof are simple to manufacture and convenient to detach and replace.
As a necessary safety design scheme, the derailment preventing device further comprises a buffer structure body 2 which plays a role of buffering, the buffer structure body is fixedly arranged on the bracket 1, the buffer structure body 2 is equivalent to the bracket 1 protruding forwards and is used for abutting against a limiting frame 11 fixedly arranged at the stroke tail end of the travelling trolley, so that the limiting and buffering functions are achieved, and the safety of the derailment preventing device can be further improved.
The cushion structure 2 is provided as a cushion pad or a hydraulic cushion (hydraulic telescopic cylinder), or any other cushion structure.
The foregoing is a preferred embodiment of the present utility model, and various changes and modifications may be made therein by those skilled in the art without departing from the general inventive concept, and such changes and modifications should be considered as falling within the scope of the present utility model as defined in the appended claims.
Claims (8)
1. The adjustable derailment prevention device of the safe walking trolley is characterized by comprising two pairs of derailment prevention units, wherein the two pairs of derailment prevention units are distributed left and right and respectively correspond to two groups of walking wheels (10) distributed left and right, and the front side and the rear side of each group of walking wheels (10) are respectively provided with one derailment prevention unit;
each derailment prevention unit comprises a bracket (1) and a pair of elastic mechanisms which are oppositely distributed on the left side and the right side of the track (3), wherein the bracket (1) is fixedly connected with the front end/the rear end of a main frame (9) of the travelling trolley;
each elastic mechanism comprises:
the wheel frame is connected with the bracket (1) in a left-right movable way;
the rail clamping wheel (4) is rotationally connected with the wheel frame;
the elastic body and the spring support plate (8) thereof, the spring support plate (8) is fixedly connected with the support (1), the wheel frame is elastically connected with the spring support plate (8) through the elastic body, and the rail clamping wheel (4) is driven to roll and contact with the side wall of the rail (3) under the action of the elastic force of the elastic body.
2. The adjustable derailment prevention device of the safe walking trolley according to claim 1, wherein the bracket (1) is formed by fixedly connecting a bottom plate (1 b), a vertical plate (1 c) and two vertical reinforcing rib plates (1 d), the bottom plate (1 b) is horizontally arranged, the vertical plate (1 c) is vertically arranged and fixedly connected with the bottom plate (1 b), and the two reinforcing rib plates (1 d) are distributed left and right and are fixedly connected with the bottom plate (1 b) and the vertical plate (1 c).
3. The adjustable derailment prevention device of a safe walking trolley according to claim 2, wherein the bracket (1) is provided with two movable penetrating holes (1 a) which are distributed side by side left and right and are positioned on the bottom plate (1 b) and are vertically penetrated in a strip shape, the two movable penetrating holes (1 a) respectively correspond to a pair of elastic mechanisms, the movable penetrating holes (1 a) horizontally extend along the left and right directions, and the wheel frame horizontally movably penetrates through the movable penetrating holes (1 a).
4. An adjustable anti-derailment device for a safe walking trolley according to claim 3, wherein the wheel frame comprises a vertical wheel rod (5), the wheel rod (5) is slidably inserted into the movable insertion hole (1 a) left and right, the rail clamping wheel (4) is rotatably sleeved at the lower end of the wheel rod (5) and is positioned under the bracket (1), and the upper end of the wheel rod (5) is elastically connected with the spring support plate (8) through an elastomer.
5. The adjustable derailment prevention device of the safe walking trolley according to claim 4, wherein the wheel frame further comprises a telescopic shaft (6), the telescopic shaft (6) horizontally extends and is parallel to the length direction of the movable penetrating hole (1 a), the wheel rod (5) is positioned between two reinforcing rib plates (1 d), the telescopic shaft (6) is fixedly connected with the upper end of the wheel rod (5), and the telescopic shaft (6) movably penetrates through the reinforcing rib plates (1 d) and the spring support plate (8).
6. The adjustable derailment prevention device of the safe walking trolley according to claim 5, wherein the elastic body is a spring (7), the spring support plate (8) is positioned at the outer side of the reinforcing rib plate (1 d), the spring (7) is movably sleeved with the telescopic shaft (6), two ends of the spring (7) are respectively connected with the wheel rod (5) and the spring support plate (8), and the spring (7) movably penetrates through the reinforcing rib plate (1 d) of the support (1).
7. The adjustable derailment prevention device of a safe walking trolley according to claim 1, further comprising a buffering structure (2) for buffering, which is fixedly mounted on the bracket (1) and is used for abutting against a limit frame (11) fixedly arranged at the stroke end of the walking trolley.
8. The adjustable anti-derailment device for a safety walking trolley according to claim 7, wherein the buffer structure (2) is provided as a cushion pad or a hydraulic buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854249.XU CN220744338U (en) | 2023-07-14 | 2023-07-14 | Adjustable derailment prevention device for safety walking trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321854249.XU CN220744338U (en) | 2023-07-14 | 2023-07-14 | Adjustable derailment prevention device for safety walking trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220744338U true CN220744338U (en) | 2024-04-09 |
Family
ID=90549242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321854249.XU Active CN220744338U (en) | 2023-07-14 | 2023-07-14 | Adjustable derailment prevention device for safety walking trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220744338U (en) |
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2023
- 2023-07-14 CN CN202321854249.XU patent/CN220744338U/en active Active
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