CN216277639U - Elevating step of reversed loader for pedestrian to pass through bridge - Google Patents
Elevating step of reversed loader for pedestrian to pass through bridge Download PDFInfo
- Publication number
- CN216277639U CN216277639U CN202122232606.6U CN202122232606U CN216277639U CN 216277639 U CN216277639 U CN 216277639U CN 202122232606 U CN202122232606 U CN 202122232606U CN 216277639 U CN216277639 U CN 216277639U
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- Prior art keywords
- sleeve
- connecting rod
- pedestrian
- connecting plate
- reversed loader
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- 230000003028 elevating effect Effects 0.000 title claims abstract description 17
- 210000000078 claw Anatomy 0.000 claims description 13
- 239000003245 coal Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a elevating step of a reversed loader for pedestrian to pass a bridge, and belongs to the field of coal mine production. The device comprises: the pedal device comprises at least one group of stepped pedals, supporting legs and stop levers among the supporting legs, wherein the supporting legs comprise connecting rods and sleeves; the sleeve pipe body is provided with a through hole, and one side close to the end part of the connecting rod is fixedly connected with the bottom of the adjacent platform; the stop lever is movably connected with the through hole of the transverse adjacent sleeve. The utility model simplifies the step structure; the height of the step can be freely adjusted by pulling out or inserting the stop lever from the through hole through the connecting rod, the sleeve and the through hole on the sleeve pipe body; the safety of the instinctive device is improved through the arrangement of the limiting groove and the clamping sleeve; the stability is greatly improved through the clamping device, the height of the step can be adjusted at any time through reasonable structural design of the device, so that the step height is always convenient to operate at the same time. The safety factor of personnel when passing is improved.
Description
Technical Field
The utility model relates to the field of coal mine production, in particular to a liftable step of a reversed loader for pedestrian to pass a bridge.
Background
The reversed loader is a scraper reversed loader for a gate way, and is a bridge type scraper conveyor arranged in a section transportation roadway at the lower outlet of a mine working face. The reversed loader is equipment for realizing the connection function of a crushing station or an excavator and downstream equipment in bulk cargo transportation operation, and is widely applied to various large-scale mining and large-scale earthwork, gravel and rock excavation projects. When the conveyer works, one end of the conveyer is lapped with the conveyer of the working face, and the other end of the conveyer is connected with the tail of the belt conveyer. The coal conveyor is used in the matching of three machines in large-scale fully mechanized mining technology, and is an important facility for underground working face, wherein the coal conveyed out by the scraper conveyor on the mining face is lifted by a roadway bottom plate and then transferred to the belt conveyor. In order to ensure safe production, pedestrians need to walk from the gap bridge when crossing the reversed loader lane.
However, in a mine with strong rock burst, surrounding rocks of a roadway are seriously deformed, so that the height of a step of a bridge is insufficient or ultrahigh, the inconvenience of the pedestrian in getting on the bridge is caused, and potential safety hazards are easy to exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides the elevating step of the reversed loader for the pedestrian to pass through the bridge, which has a stable structure and is flexible in elevating of the step of the bridge. The technical scheme is as follows:
the utility model provides a elevating step for elevating a reversed loader pedestrian passing a bridge, includes: the pedal comprises at least one group of first pedals and second pedals which are arranged in a stepped manner, first supporting legs arranged at the bottom of the front side of the first pedals, second supporting legs arranged at the bottom of the second pedals and stop rods between the second supporting legs on the same side;
the second supporting leg comprises a connecting rod and a sleeve;
one end of the connecting rod is inserted into the sleeve, and the other end of the connecting rod is fixedly connected with the bottom of the second pedal;
the pipe body of the sleeve is provided with a through hole, and one side of the sleeve, which is close to the end part of the connecting rod, is fixedly connected with the bottom of the first pedal;
the stop lever is movably connected with the through holes of the left and right adjacent sleeves, the stop lever positioned in the sleeve is contacted with one end of the connecting rod,
be provided with clamping device on the contact surface of connecting rod and pin, clamping device includes: a connecting plate, a claw and a telescopic spring which are arranged on the connecting plate,
one side of the connecting plate is fixedly connected with the connecting rod, the other side of the connecting plate is provided with a clamping jaw with an opening back to the connecting plate, and the outer wall of the port of the clamping jaw and the connecting plate are respectively and fixedly connected with the two ends of the telescopic spring.
Preferably, the through holes are at least correspondingly provided with one group along the axial direction of the sleeve, and the through holes are at least symmetrically provided with one group of limiting grooves.
Preferably, a clamping sleeve is arranged at the position where the stop lever is contacted with the through hole.
Preferably, the cross section of the clamping sleeve is a circular ring, the inner wall of the clamping sleeve is fixedly connected with the stop lever, and the outer wall of the clamping sleeve is provided with a limiting block matched with the limiting groove.
Preferably, a plate body of the connecting plate is provided with a movable groove, and one surface of the connecting plate, which is far away from the connecting rod, is fixedly connected with a connecting seat; the clamping jaw is movably connected to the connecting seat.
Preferably, the clamping jaw is U-shaped, the inner wall of the clamping jaw is provided with an anti-slip film, the port horizontally extends to the side face, and the extending part and the side wall of the clamping jaw are L-shaped.
Preferably, the jack catch includes circular-arc first jack catch and second jack catch, the contact jaw of first jack catch and second jack catch is provided with the mounting groove and the installation arch of matcing respectively, the lateral wall and the installation arch of mounting groove all are provided with corresponding mounting hole.
Preferably, the mounting hole is rotatably connected with the connecting seat through a rotating shaft.
The technical scheme provided by the utility model has the beneficial effects that:
the device is provided with the connecting rod, the sleeve is sleeved outside the connecting rod, the sleeve body is provided with the through hole, and the height of the step can be freely adjusted by pulling out or inserting the stop lever from the through hole; the potential safety hazard caused by the axial movement of the stop lever in the through hole is overcome through the arrangement of the limiting groove and the clamping sleeve; the device has the advantages that the clamping device is arranged on the connecting rod, the potential safety hazard caused by slippage easily due to the fact that the connecting rod is simply placed on the stop lever is overcome, the stability of the device is greatly improved, the device is reasonable in structural design, low in cost and simple and convenient to operate, the height of the step can be adjusted at any time, and the step height is always convenient to operate. The even step arrangement of this device can improve the factor of safety when personnel pass.
Drawings
FIG. 1 is a schematic structural view of a clamping device provided in the present invention;
FIG. 2 is a schematic representation of an embodiment of the present invention in use;
FIG. 3 is a schematic view of a first jaw of an embodiment of the present invention;
FIG. 4 is a schematic view of a second jaw of the present embodiment;
FIG. 5 is a schematic view of a clamping sleeve installation according to an embodiment of the utility model;
fig. 6 is a schematic view of a clamping sleeve according to an embodiment of the utility model.
Wherein, the device comprises 1-a second pedal, 2-a connecting rod, 3-a sleeve, 4-a stop lever, 5-a connecting plate, 6-a telescopic spring, 7-a movable groove and 8-a claw. 9-a limiting groove, 10-a clamping sleeve, 11-a limiting block, 12-a through hole, 13-a mounting groove, 14-a mounting protrusion, 15-a mounting hole, 16-an anti-slip film, 17-a first supporting leg, 18-a second supporting leg, 19-a connecting seat and 20-a first pedal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
A elevating step for a reversed loader pedestrian crossing according to the accompanying fig. 1-6, comprising: at least one group of first pedal 20 and second pedal 1 which are arranged in a ladder shape, a first supporting leg 17 arranged at the bottom of the front side of the first pedal 20, a second supporting leg 18 arranged at the bottom of the second pedal 1 and a stop lever 4 between the second supporting legs at the same side;
the second supporting leg comprises a connecting rod 2 and a sleeve 3;
one end of the connecting rod 2 is inserted into the sleeve 3, and the other end of the connecting rod is fixedly connected with the bottom of the second pedal 1;
the pipe body of the sleeve 3 is provided with a through hole 12, and one side of the sleeve 3 close to the end part of the connecting rod 2 is fixedly connected with the bottom of the first pedal 20;
the stop lever 4 is movably connected with the through holes 12 of the left and right adjacent sleeves 3, the stop lever 4 positioned in the sleeves 3 is contacted with one end of the connecting rod 2,
be provided with clamping device on the contact surface of connecting rod 2 and pin 4, clamping device includes: a connecting plate 5, a claw 8 and a telescopic spring 6 which are arranged on the connecting plate 5,
one side of the connecting plate 5 is fixedly connected with the connecting rod 2, the other side of the connecting plate is provided with a clamping jaw 8 with an opening back to the connecting plate 5, and the outer wall of the port of the clamping jaw 8 and the connecting plate 5 are respectively fixedly connected with two ends of the telescopic spring 6.
The working process of the device is as follows: the utility model designs the original support leg of the pedestrian bridge-crossing step into the support leg consisting of the connecting rod 2 and the sleeve 3 sleeved outside the connecting rod 2, and the pipe body of the sleeve 3 is provided with the perforation 12, the platform of the utility model is at least provided with two, one side of the top end of the sleeve 3 is welded at the bottom of the adjacent platform 1, when the step needs to be lifted, the connecting rod 2 is drawn out from the sleeve 3 to the direction far away from the sleeve 3 until the second pedal 1 is lifted to a proper position, then the stop lever 4 is inserted into the corresponding perforation 12 on the sleeves of the two transversely adjacent support legs, and the stop lever 4 prevents the connecting rod 2 from falling down to realize the fixation of the connecting rod 2; when the step needs to descend, the gear lever 4 is pulled out. The platform 1 is pressed towards the direction of the sleeve 3, the connecting rod 2 can be inserted into the direction of the sleeve 3, and the height of the second pedal 1 is adjusted, so that the function of lifting the step is realized;
the working process of the clamping device comprises the following steps: after the suitable position in sleeve pipe 3 was placed to the actual height demand of connecting rod 2, insert in perforation 12 pin 4, then press down 1 jack catch 8 of second footboard and rotate and connect on connecting plate 5, after receiving the external force on the second footboard 1, first jack catch and second jack catch can open the centre gripping in 4 both sides of pin, realize reducing pin 4 when the lowest position as second footboard 1 and take out the back in perforation 12, jack catch 8 can be tightly in the bottom of sleeve pipe 3, avoid simultaneously because the displacement that the vibrations of the step that second footboard 1 and connecting rod 2 whereabouts caused cause arouse.
It should be noted that the first support leg 17 of the device can be any support rod, the utility model selects the square steel tube as the first support leg 17, the stop lever 4 of the device can be a rod made of any material and with any diameter, the design adopts waste steel bars as the lifting stop lever 4 due to the comprehensive consideration of cost and mechanical property, the sleeve 3 and the adjacent shorter pedal 1 can be fixedly connected through screw threads or any mode, the device adopts a welding mode to realize the fixed connection of the bottom of the adjacent pedal 1 and one side of the top end of the sleeve 3,
this device simple structure, reasonable in design, low cost and through set up clamping device at the tip of connecting rod 2 with the contact of pin 4, overcome and just place connecting rod 2 on pin 4, the potential safety hazard that causes because of the slippage easily has improved the security of this device greatly.
Furthermore, at least one group of through holes 12 are correspondingly arranged along the axial direction of the casing 3, and at least one group of limiting grooves 9 are symmetrically arranged on the through holes 12.
Further, a clamping sleeve 10 is arranged at the position where the stop lever 4 is contacted with the through hole 12.
Furthermore, the cross section of the clamping sleeve 10 is a circular ring, the inner wall of the clamping sleeve is fixedly connected with the stop lever 4, and the outer wall of the clamping sleeve is provided with a limiting block 11 matched with the limiting groove 9.
Furthermore, a movable groove 7 is formed in the plate body of the connecting plate 5, and a connecting seat 19 is fixedly connected to one surface of the connecting plate 5, which is far away from the connecting rod 2; the clamping jaw 8 is movably connected to the connecting seat 19.
It should be noted that the movable groove 7 realizes that the jaw 8 can be opened or closed, the jaw 8 can be movably connected to the connecting plate 5 in other ways, and the connecting plate 5 is provided with a connecting seat 19 which is common in the market.
Furthermore, the clamping jaw 8 is U-shaped, the inner wall of the clamping jaw is provided with an anti-slip film 16, the end opening horizontally extends to the side face, and the extending part and the side wall of the clamping jaw 8 are L-shaped.
It should be noted that the anti-slip film 16 is arranged on the contact surface between the claw 8 and the stop lever 4, so that the stability of the pedal 1 is greatly improved; the outside that jack catch 8 kept away from connecting plate 5 one end is provided with horizontal extension to at extension and the both ends of connecting plate 5 fixed connection expanding spring 6, realize when footboard 1 reduces to take out the back in the pin 4 follow perforation 12 when the extreme low position, jack catch 8 can be tightly held in the bottom of sleeve pipe 3, avoids simultaneously because the displacement that the vibrations of the step that footboard 1 and connecting rod 2 whereabouts caused.
Further, the jack catch 8 includes circular-arc first jack catch and second jack catch, the contact jaw of first jack catch and second jack catch is provided with the mounting groove 13 and the installation arch 14 that match respectively, the lateral wall and the installation arch 14 of mounting groove 13 all are provided with corresponding mounting hole 15.
Further, the mounting hole 15 is rotatably connected with the connecting seat 19 through a rotating shaft.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a elevating step for elevating a reversed loader pedestrian passing a bridge, which is characterized in that comprises: at least one group of first pedals (20) and second pedals (1) which are arranged in a ladder shape, first supporting legs (17) arranged at the bottom of the front side of the first pedals (20), second supporting legs (18) arranged at the bottom of the second pedals (1) and stop levers (4) between the second supporting legs on the same side;
the second supporting leg comprises a connecting rod (2) and a sleeve (3);
one end of the connecting rod (2) is inserted into the sleeve (3), and the other end of the connecting rod is fixedly connected with the bottom of the second pedal (1);
a through hole (12) is formed in the tube body of the sleeve (3), and one side, close to the end of the connecting rod (2), of the sleeve (3) is fixedly connected with the bottom of the first pedal (20);
the stop lever (4) is movably connected with the through holes (12) of the left and right adjacent sleeves (3), the stop lever (4) positioned in the sleeves (3) is contacted with one end of the connecting rod (2),
be provided with clamping device on the contact surface of connecting rod (2) and pin (4), clamping device includes: a connecting plate (5), a claw (8) and a telescopic spring (6) which are arranged on the connecting plate (5),
one side of the connecting plate (5) is fixedly connected with the connecting rod (2), the other side of the connecting plate is provided with a clamping jaw (8) with an opening facing away from the connecting plate (5), and the outer wall of the port of the clamping jaw (8) and the connecting plate (5) are fixedly connected with the two ends of the telescopic spring (6) respectively.
2. The elevating step of a reversed loader for pedestrian to pass through a bridge according to claim 1, wherein at least one set of the through holes (12) is correspondingly arranged along the axial direction of the sleeve (3), and at least one set of the limiting grooves (9) are symmetrically arranged on the through holes (12).
3. The elevating step of a reversed loader for pedestrian to pass a bridge according to claim 1, characterized in that a clamping sleeve (10) is arranged at the contact position of the stop lever (4) and the through hole (12).
4. The elevating step of a reversed loader for pedestrian to pass a bridge according to claim 3, wherein the cross section of the clamping sleeve (10) is a circular ring, the inner wall of the clamping sleeve is fixedly connected with the stop lever (4), and the outer wall of the clamping sleeve is provided with a limit block (11) matched with the limit groove (9).
5. The elevating step of a reversed loader for pedestrian to pass a bridge according to claim 1, characterized in that the plate body of the connecting plate (5) is provided with a movable groove (7), and a connecting seat (19) is fixedly connected to one side of the connecting plate (5) far away from the connecting rod (2); the clamping jaw (8) is movably connected to the connecting seat (19).
6. The elevating step of a reversed loader for pedestrian to pass through a bridge as claimed in claim 5, wherein the claw (8) is U-shaped, the inner wall of the claw is provided with an anti-skid film (16), the end port extends horizontally to the side, and the horizontal extension part and the side wall of the claw (8) are L-shaped.
7. The elevating step of a reversed loader for pedestrian to pass through a bridge as claimed in claim 6, wherein the claws (8) comprise circular arc-shaped first claws and second claws, the contact ends of the first claws and the second claws are respectively provided with matched mounting grooves (13) and mounting protrusions (14), and the side walls of the mounting grooves (13) and the mounting protrusions (14) are respectively provided with corresponding mounting holes (15).
8. The elevating step of a reversed loader for pedestrian crossing a bridge according to claim 7, characterized in that the mounting hole (15) is rotatably connected with the connecting base (19) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232606.6U CN216277639U (en) | 2021-09-15 | 2021-09-15 | Elevating step of reversed loader for pedestrian to pass through bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122232606.6U CN216277639U (en) | 2021-09-15 | 2021-09-15 | Elevating step of reversed loader for pedestrian to pass through bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277639U true CN216277639U (en) | 2022-04-12 |
Family
ID=81064852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122232606.6U Expired - Fee Related CN216277639U (en) | 2021-09-15 | 2021-09-15 | Elevating step of reversed loader for pedestrian to pass through bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123802A (en) * | 2022-07-08 | 2022-09-30 | 扎赉诺尔煤业有限责任公司 | Transporter pedestrian bridge and transporter |
-
2021
- 2021-09-15 CN CN202122232606.6U patent/CN216277639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123802A (en) * | 2022-07-08 | 2022-09-30 | 扎赉诺尔煤业有限责任公司 | Transporter pedestrian bridge and transporter |
| CN115123802B (en) * | 2022-07-08 | 2023-09-12 | 扎赉诺尔煤业有限责任公司 | Pedestrian bridge of reversed loader and reversed loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |