CN211075726U - Loader with telescopic escalator - Google Patents
Loader with telescopic escalator Download PDFInfo
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- CN211075726U CN211075726U CN201922244900.1U CN201922244900U CN211075726U CN 211075726 U CN211075726 U CN 211075726U CN 201922244900 U CN201922244900 U CN 201922244900U CN 211075726 U CN211075726 U CN 211075726U
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- loader
- escalator
- staircase
- electrically connected
- push rod
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Abstract
The utility model discloses a take loader of telescopic staircase belongs to loader technical field. The utility model discloses including setting up the staircase in the automobile body outside of loader, wherein the staircase includes parallel arrangement's two spinal branch strut frames, be provided with a plurality of running-boards along the even interval of direction of height between the two spinal branch strut frames, the top of two spinal branch strut frames is articulated respectively and is set up on automobile body upper portion, the one end of two second connecting rods is articulated with the bottom of two spinal branch strut frames respectively, the other end of two second connecting rods is articulated mutually with two head rods respectively, the hinge point of head rod and second connecting rod links to each other with electric putter's flexible end, electric putter's stiff end sets up in the automobile body outside. The utility model aims to overcome staircase factor of safety on the current loader not high, the climbing is wasted time and energy not enough, factor of safety when not only can effectively improving to get on or off the bus, can also reduce driver's physical demands, reduces working strength.
Description
Technical Field
The utility model relates to a loader technical field, more specifically say, relate to a take loader of telescopic staircase.
Background
The loader is a kind of earth and stone construction machinery widely used in highway, railway, building, water and electricity, port and mine, and is mainly used for shoveling and loading bulk materials such as soil, gravel, lime and coal, and also for light shoveling and digging of ore and hard soil. The different auxiliary working devices can be replaced to carry out bulldozing, hoisting and other material loading and unloading operations such as wood.
The existing loader generally adopts the vertical escalator, when in actual use, the vertical climbing escalator not only can consume the physical power of a driver, increases the fatigue degree, but also is easy to cause the driver to be injured due to the careless falling of the driver, and has potential safety hazards. Therefore, the escalator which is higher in safety factor and convenient to use and does not influence normal running of the loader is continuously designed.
Through search, a large number of patents have been published on the escalator of the loader, such as the Chinese patent application No.: 2017201191804, the name of invention creation is: the application discloses a loader escalator, which comprises a rack and a plurality of layers of pedals, wherein each layer of pedal is horizontally arranged from top to bottom in sequence, each layer of pedal is fixedly connected to the outer side wall of the rack, a plurality of through holes are formed in each layer of pedal, and the peripheral wall of each through hole extends upwards to form an annular protruding part; each layer of pedal extends to one side close to the rack to form a supporting plate, and the supporting plate extends upwards at a certain angle and is fixed to the outer side wall of the rack. The scheme is a good exploration for the escalator of the loader, but still has space for further improvement, and the research on the escalator of the loader in the industry is never stopped.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the staircase factor of safety on the current loader not high, the climbing is wasted time and energy not enough, provides a take the loader of telescopic staircase, factor of safety when not only can effectively improve to get on or off the bus, avoids taking place because of climbing the incident that the staircase caused, can also reduce driver's physical demands, reduces working strength.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a take loader of telescopic staircase, including setting up the staircase in the automobile body outside of loader, wherein the staircase includes parallel arrangement's two spinal branch strut frames, be provided with a plurality of running-boards along the even interval of direction of height between the two spinal branch strut frames, the top of two spinal branch strut frames is articulated respectively and is set up on automobile body upper portion, the one end of two second connecting rods is articulated with the bottom of two spinal branch strut frames respectively, the other end of two second connecting rods is articulated mutually with two head rods respectively, the articulated point of head rod and second connecting rod links to each other with electric putter's flexible end, electric putter's stiff end sets up in the automobile body outside.
As a further improvement, the electric push rod includes that the telescopic link and the cover establish the push rod shell in the telescopic link outside, and the one end that the push rod shell was kept away from to the telescopic link links to each other with the pin joint of head rod and second connecting rod.
As a further improvement of the utility model, the pedal plate comprises a plurality of toothed plates arranged in parallel and in a zigzag shape, and the two ends of the toothed plates are connected through the fixing plate.
As a further improvement, the upper part of the body is provided with a proximity switch, and the escalator is contacted with the proximity switch when being folded.
As a further improvement, the escalator is provided with two handrails above the escalator, and the handrails are fixed outside the body.
As a further improvement, the loader is provided with a voice alarm in the cab, and the voice alarm is electrically connected with the proximity switch.
As a further improvement of the utility model, the voice alarm is electrically connected with the power supply of the loader.
As a further improvement, the motor of the electric push rod is electrically connected with the controller, and the controller is electrically connected with the relay.
As a further improvement of the utility model, the power supply is electrically connected with the relay.
As a further improvement, the start-stop switch of the loader is electrically connected with the relay.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) when the escalator is retracted, the electric push rod drives the first connecting rod and the second connecting rod to move upwards, and the escalator is retracted towards the direction of the vehicle body and is attached to the outer side of the vehicle body, so that the normal running of the loader is prevented from being influenced; when the staircase stretches out, electric putter drives head rod and second connecting rod downstream, the staircase stretches out final position and stops, the driver can be along on the staircase this moment, lower loader, this moment, contained angle between staircase and the ground water flat line is the acute angle, the careless incident such as fall that takes place when avoiding climbing directly from top to bottom like traditional rectilinear staircase, the factor of safety of getting on and off the bus has been improved, driver's physical demands has been reduced, working strength is reduced, and use electric putter drive staircase to stretch out or withdraw, easy operation is convenient.
(2) The utility model discloses a take loader of telescopic staircase, running-board include a plurality of parallel arrangement be the pinion rack of cockscomb structure, and the both ends of a plurality of pinion racks are passed through the fixed plate and are linked to each other. Have certain space between two adjacent pinion racks, be difficult for hiding the greasy dirt, and the zigzag can increase the contact friction between foot and the running-board for it is more stable when getting on or off the bus, improved factor of safety.
(3) The utility model relates to a loader with a telescopic staircase, after getting on the vehicle, a driver opens a start-stop switch to prepare to start the loader, because the start-stop switch is turned on, the power supply supplies power to the loader, the relay is cut off, and the electric push rod does not work after the power is cut off, the situation that the electric push rod works because the remote controller switch is touched by mistake in the running process of the loader is avoided, the situation that the normal running of the loader is influenced because the escalator stretches out is avoided, the start-stop switch must be turned off first before getting off, the power supply of the relay is switched on, the electric push rod works under the control of the relay, the remote controller switch can be pressed at the moment, an instruction is sent to the relay, the relay controls the electric push rod to drive the escalator to stretch out, the proximity switch is connected with a power circuit of the voice alarm at the moment, the voice alarm gives an alarm prompt to inform a driver that the escalator has stretched out, and the driver can get off the escalator. The whole process is simple to operate, multiple safety guarantees are achieved, the safety factor in the processes of getting on, getting off and driving is further improved, and the driving safety is guaranteed.
Drawings
Fig. 1 is a schematic structural view of a loader with a telescopic escalator according to the present invention;
fig. 2 is a schematic structural view of the escalator of the present invention when retracted;
fig. 3 is a schematic structural view of the extended escalator of the present invention;
FIG. 4 is a schematic structural view of a step plate of the escalator of the present invention;
fig. 5 is a schematic diagram of the circuit connection in the present invention.
The reference numerals in the schematic drawings illustrate:
100. a loader; 110. a cab; 120. a vehicle body; 130. a proximity switch; 140. a voice alarm; 150. a start-stop switch; 160. a power source;
200. an escalator; 210. a support frame; 220. a foot pedal; 221. a toothed plate; 222. a fixing plate; 310. an electric push rod; 311. a telescopic rod; 312. a motor; 313. a push rod housing; 320. a first connecting rod; 330. a second connecting rod; 340. a controller; 400. a relay.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be further described with reference to the following examples.
Example 1
As shown in fig. 1, the loader with the telescopic escalator of the present embodiment includes an escalator 200 disposed outside a body 120 of the loader 100, wherein the escalator 200 includes two support frames 210 disposed in parallel, a plurality of pedals 220 are disposed between the two support frames 210 at regular intervals along a height direction, tops of the two support frames 210 are respectively hinged to an upper portion of the body 120, specifically, as shown in fig. 1, sleeves are disposed on a left support bar 210 and a right support bar 210 in the present embodiment, hinge shafts are disposed on the body 120 at positions corresponding to the sleeves, the sleeves are sleeved outside the hinge shafts, and the left and right support bars 210 can freely rotate around the hinge shafts, and the hinge shafts are matched with the sleeves so that the escalator 200 can be extended in an outward rotating manner or retracted in an inward rotating manner. As shown in fig. 2, in the present embodiment, one end of each of the two second connecting rods 330 is hinged to the bottom of each of the two supporting frames 210, and the other end of each of the two second connecting rods 330 is hinged to each of the two first connecting rods 320. Specifically, as shown in fig. 2, one end of the left second connecting rod 330 is hinged to the bottom of the left support frame 210 near the inner side of the vehicle body 120, the other end of the left second connecting rod 330 is hinged to the left first connecting rod 320, one end of the right second connecting rod 330 is hinged to the bottom of the right support frame 210 near the inner side of the vehicle body 120, and the other end of the right second connecting rod 330 is hinged to the right first connecting rod 320. The first connecting rod 320 is hinged to the bottom of the vehicle body 120, that is, the first connecting rod 320 can rotate around the vehicle body 120, the hinge point of the first connecting rod 320 and the second connecting rod 330 is connected to the telescopic end of the electric push rod 310, and the fixed end of the electric push rod 310 is disposed outside the vehicle body 120. Specifically, in the embodiment, the electric push rod 310 includes a telescopic rod 311 and a push rod housing 313 sleeved outside the telescopic rod 311, the telescopic rod 311 extends outwards or retracts inwards along the length direction of the push rod housing 313, and one end of the telescopic rod 311 away from the push rod housing 313 is connected to a hinge point of the first connecting rod 320 and the second connecting rod 330.
When the escalator 200 is retracted, the electric push rod 310 drives the first connecting rod 320 and the second connecting rod 330 to move upwards, the first connecting rod 320 and the second connecting rod 330 are not in a straight line, and the escalator 200 is retracted towards the vehicle body 120 and attached to the outer side of the vehicle body 120, so that the influence on the normal running of the loader 100 is avoided; when the escalator 200 extends out, the electric push rod 310 drives the first connecting rod 320 and the second connecting rod 330 to move downwards until the first connecting rod 320 and the second connecting rod 330 are kept on the same straight line, the escalator 200 extends out to the final position to stop, a driver can go up and down the escalator 200 at the moment, the loader 100 is loaded down, at the moment, an included angle between the escalator 200 and a ground horizontal line is an acute angle, the accidents such as careless falling when the traditional vertical escalator 200 climbs straight up and down are avoided, the safety factor of getting on and off the train is improved, the physical strength of the driver is reduced, the working strength is reduced, the escalator 200 is driven by the electric push rod 310 to extend out or retract, and the operation is simple and convenient.
As shown in fig. 4, the pedal 220 of the present embodiment includes a plurality of toothed plates 221 arranged in parallel and having a saw-toothed shape, and two ends of the plurality of toothed plates 221 are connected by a fixing plate 222. There is certain space between two adjacent pinion racks 221, is difficult for hiding the greasy dirt, is convenient for clean, and the zigzag can increase the contact friction between foot and the running-board 220 for it is more stable when getting on or off the vehicle, has improved factor of safety. Two handrails (not shown) are arranged above the escalator 200 and fixed on the outer side of the vehicle body 120, so that a driver can hold the handrails to get on and off the cab 110 when getting on and off the vehicle, and the safety of getting on and off the vehicle is further ensured.
As shown in fig. 2, in the present embodiment, the proximity switch 130 is disposed at the upper portion of the car body 120, the escalator 200 is closed and contacts with the proximity switch 130, and the escalator 200 is extended and separated from the proximity switch 130. The cab 110 of the loader 100 is provided with an audio alarm 140, the audio alarm 140 is electrically connected to the proximity switch 130, and the audio alarm 140 is electrically connected to the power supply 160. As shown in fig. 5, in the present embodiment, the proximity switch 130 is connected in series with the voice alarm 140, the proximity switch 130 controls whether the power circuit of the voice alarm 140 is on or off, when the escalator 200 is closed, the proximity switch 130 connects the power circuit of the voice alarm 140, and when the escalator 200 is extended, the proximity switch 130 disconnects the power circuit of the voice alarm 140. The motor 312 of the electric push rod 310 is electrically connected with the controller 340, the controller 340 is electrically connected with the relay 400, and the relay 400 controls the controller 340 to realize on-off control on the motor 312, so that the electric push rod 310 can be remotely controlled to extend or retract. When the electric push rod 310 reaches the limit position, the limit stops extending, at the moment, the proximity switch 130 is connected with a power supply loop of the voice alarm 140, and the voice alarm 140 gives an alarm prompt to inform a driver that the escalator 200 extends, so that the driver can pay attention to the safety of getting on and off the vehicle. After a driver gets on the vehicle, the electric push rod 310 is controlled by the hand to drive the escalator 200 to retract by pressing the remote controller switch until the escalator stops at the limit position, at the moment, the escalator 200 is attached to the outer side of the vehicle body 120, the escalator 200 is in contact with the proximity switch 130, at the moment, the proximity switch 130 disconnects the power supply loop of the voice alarm 140, and the voice alarm 140 stops.
As shown in fig. 5, in the present embodiment, the power source 160 is electrically connected to the relay 400, and the relay 400 is powered by the power source 160 of the loader 100. The start-stop switch 150 in the cab 110 is electrically connected to the relay 400. After getting on the vehicle, a driver turns on the start-stop switch 150 to prepare to start the loader 100, because the start-stop switch 150 is turned on, the power supply 160 supplies power to the loader 100, and cuts off the power supply of the relay 400, so that the power between the relay 400 and the electric push rod 310 is cut off, the electric push rod 310 does not work after the power is cut off, the situation that the electric push rod 310 works due to the fact that the loader 100 mistakenly touches the remote controller switch in the driving process is prevented, the situation that the escalator 200 extends outwards to influence the normal driving of the loader 100 is avoided, the start-stop switch 150 must be turned off first before getting off the vehicle, after the power supply of the relay 400 is turned on, the electric push rod 310 works under the control of the relay 400, at the moment, the remote controller switch can be pressed down to send an instruction to the relay 400, the relay 400 controls the electric push rod 310 to drive the escalator, the driver can get off the vehicle using the escalator 200. The whole process is simple to operate, multiple safety guarantees are achieved, the safety factor in the processes of getting on, getting off and driving is further improved, and the driving safety is guaranteed.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a take loader of telescopic staircase which characterized in that: the escalator (200) comprises an escalator (200) arranged on the outer side of a vehicle body (120) of a loader (100), wherein the escalator (200) comprises two support frames (210) which are arranged in parallel, a plurality of foot pedals (220) are uniformly arranged between the two support frames (210) at intervals along the height direction, the tops of the two support frames (210) are respectively hinged to the upper portion of the vehicle body (120), one ends of two second connecting rods (330) are respectively hinged to the bottoms of the two support frames (210), the other ends of the two second connecting rods (330) are respectively hinged to two first connecting rods (320), the hinged points of the first connecting rods (320) and the second connecting rods (330) are connected with the telescopic ends of electric push rods (310), and the fixed ends of the electric push rods (310) are arranged on the outer side of the vehicle body (120).
2. The loader with escalator as claimed in claim 1, wherein: the electric push rod (310) comprises a telescopic rod (311) and a push rod outer shell (313) sleeved on the outer side of the telescopic rod (311), and one end, far away from the push rod outer shell (313), of the telescopic rod (311) is connected with a hinge point of the first connecting rod (320) and the second connecting rod (330).
3. The loader with escalator as claimed in claim 1, wherein: the pedal (220) comprises a plurality of toothed plates (221) which are arranged in parallel and are in a sawtooth shape, and two ends of the toothed plates (221) are connected through a fixing plate (222).
4. The loader with escalator as claimed in claim 1, wherein: the upper part of the car body (120) is provided with a proximity switch (130), and the escalator (200) is contacted with the proximity switch (130) when being folded.
5. A loader with escalator as claimed in any one of claims 1-4, characterized in that: two handrails are arranged above the escalator (200), and the handrails are fixed on the outer side of the vehicle body (120).
6. The loader with escalator of claim 4, wherein: a voice alarm (140) is arranged in a cab (110) of the loader (100), and the voice alarm (140) is electrically connected with the proximity switch (130).
7. The loader with escalator of claim 6, wherein: the voice alarm (140) is electrically connected with a power supply (160) of the loader (100).
8. The loader with escalator of claim 7, wherein: the motor (312) of the electric push rod (310) is electrically connected with the controller (340), and the controller (340) is electrically connected with the relay (400).
9. A loader with escalator as claimed in claim 7 or 8, characterized in that: the power source (160) is electrically connected to the relay (400).
10. The escalator loader of claim 9, wherein: the start-stop switch (150) of the loader (100) is electrically connected to the relay (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244900.1U CN211075726U (en) | 2019-12-13 | 2019-12-13 | Loader with telescopic escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922244900.1U CN211075726U (en) | 2019-12-13 | 2019-12-13 | Loader with telescopic escalator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211075726U true CN211075726U (en) | 2020-07-24 |
Family
ID=71644113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922244900.1U Active CN211075726U (en) | 2019-12-13 | 2019-12-13 | Loader with telescopic escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211075726U (en) |
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2019
- 2019-12-13 CN CN201922244900.1U patent/CN211075726U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221125 Address after: 243000 Building 9, Incubation Park, 277 Zhongfei Avenue, zhengpugang New District, Maanshan City, Anhui Province Patentee after: MAGANG GROUP LOGISTICS Co.,Ltd. Address before: No. 750, Hunan East Road, Huashan District, Ma'anshan City, Anhui Province 243000 Patentee before: Anhui Masteel automobile transportation service Co.,Ltd. |