Push-pull type escalator

Abstract

The utility model discloses a push-pull type escalator in the field of escalators and aims to solve the problem that in the prior art, the maintenance space is limited by the positions of an escalator and a platform, the escalator comprises a ladder framework and a movable ladder, one end of the ladder framework is fixedly connected with the platform, and the other end of the ladder framework extends to a supporting face; the movable ladder is connected with the ladder framework through a translation mechanism; the translation mechanism comprises a sliding sleeve and a sliding pin connected into the sliding sleeve in a sliding mode. One of the sliding sleeve and the sliding pin is arranged on the movable step, and the other one of the sliding sleeve and the sliding pin is arranged on the step framework, so that the movable step translates relative to the step framework. The movable ladder and the ladder framework are arranged, the ladder framework and the movable ladder are movably connected through the sliding sleeve and the sliding pin, the movable ladder can horizontally move on the ladder framework, movement of the ladder part is achieved, the position of the movable ladder can be adjusted, and the maintenance space is enlarged.

Description

Technical Field

[0001] This application relates to the field of construction machinery, and particularly to a push-pull escalator. Background Art

[0002] For large-tonnage loaders, due to the relatively high position of the cab, a fixed section of stairs is usually provided on both sides of the machine, and the operator reaches the cab working platform through the stairs. Due to the standard requirements for the width of the stairs and the fact that it cannot be too wide, the space between the side of the stairs close to the vehicle body and the engine compartment is small, which in turn leads to the problem that when the maintenance door of the engine compartment is opened, it is easy to interfere with the stairs, and the maintenance space of the engine compartment is limited. Summary of the Utility Model

[0003] The purpose of this application is to provide a push-pull escalator, in which the configured stairs are movable stairs, and the position of the stairs can be adjusted according to the use space to avoid interference of the stairs.

[0004] To solve the above technical problems, the following technical solutions are adopted:

[0005] This application provides a push-pull escalator, including a platform and stairs. The stairs include a stair skeleton and movable stairs. One end of the stair skeleton is fixedly connected to the platform, and the other end extends to a support surface; the movable stairs are connected to the stair skeleton through a translation mechanism;

[0006] The translation mechanism includes a sliding sleeve and a sliding pin slidably connected in the sliding sleeve;

[0007] One of the sliding sleeve and the sliding pin is provided on the movable stairs, and the other is provided on the stair skeleton to realize the translation of the movable stairs relative to the stair skeleton.

[0008] Optionally, the sliding sleeve includes a sleeve and a fixing plate, and the sleeve is fixed to the stair skeleton or the movable stairs through the fixing plate.

[0009] Optionally, the length of the sliding pin is greater than the length of the sleeve, and both ends of the sliding pin extend beyond the sleeve and are fixedly connected to the two side edges of the stair skeleton or the movable stairs.

[0010] Optionally, an oil cup for storing lubricating oil is provided on the fixing plate, and the inner cavity of the oil cup communicates with the inner cavity of the sleeve.

[0011] Optionally, two sets of translation mechanisms are provided, one set is arranged close to the platform, and the other set is arranged close to the support surface.

[0012] Optionally, it further includes a locking bolt. Bolt holes matching the locking bolt are provided on the movable ladder and the ladder framework. The locking bolt is simultaneously engaged with the bolt holes of the movable ladder and the ladder framework to achieve relative locking between the movable ladder and the ladder framework.

[0013] Optionally, independent guardrails are fixed to the sides of the platform and the movable ladder away from the construction area.

[0014] Optionally, it further includes a baffle. The baffle is connected to the movable ladder, and the ladder framework is located between the movable ladder and the baffle. The baffle can at least shield the sliding sleeve.

[0015] Optionally, the ladder framework includes a support base and support beams connecting the support base and the platform.

[0016] Compared with the prior art, the beneficial effects achieved by this application are as follows:

[0017] 1. This application is provided with a movable ladder and a ladder framework. The ladder framework and the movable ladder are movably connected through a sliding sleeve and a sliding pin. The movable ladder can be translated on the ladder framework to achieve the movement of the ladder part, and the position of the movable ladder can be adjusted. During use, the movable ladder can be placed at a position where it will not interfere with the opening of the maintenance door, increasing the maintenance space and the personnel activity space.

[0018] 2. This application adjusts the position of the movable ladder on the ladder framework according to the use environment and fixes this position with a locking bolt, increasing the stability during the use of the escalator. An oil cup is also provided on the sliding sleeve to play a lubricating role and ensure the flexible use of the sliding pin and the sliding sleeve. Description of the Drawings

[0019] Figure 1 is the overall structure schematic diagram in Embodiment 1 of this application;

[0020] Figure 2 is the schematic diagram of the ladder framework in Embodiment 1 of this application;

[0021] Figure 3 is the schematic diagram of the movable ladder being pulled out for use in Embodiment 2 of this application;

[0022] Figure 4 is the schematic diagram of the baffle installation and the partial cross-section of the sliding pin in Embodiment 2 of this application;

[0023] Figure 5 is the assembly schematic diagram of the sleeve and the first sliding pin in Embodiment 2 of this application;

[0024] Figure 6 is the schematic diagram of the fixing plate and the sleeve in Embodiment 2 of this application.

[0025] Description of the reference numerals in the drawings:

[0026] 101, the first independent guardrail; 102, the platform; 103, the second independent guardrail; 104, the movable ladder; 105, the first locking bolt; 106, the second locking bolt; 107, the first sliding pin; 108, the second sliding pin; 201, the ladder framework; 202, the first sliding sleeve; 203, the second sliding sleeve; 204, the oil cup; 205, the sleeve; 206, the fixing plate; 301, the baffle plate. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way constitutes a limitation to the present application and its application or use. Embodiment

[0028] As Figure 1-2 shown, this embodiment provides a push-pull escalator, including a platform 102 and a ladder. The ladder includes a ladder framework 201 and a movable ladder 104. One end of the ladder framework 201 is fixedly connected to the platform 102, and the other end extends to a support surface; the movable ladder 104 is connected to the ladder framework 201 through a translation mechanism.

[0029] The translation mechanism includes a sliding sleeve and a sliding pin slidably connected in the sliding sleeve.

[0030] One of the sliding sleeve and the sliding pin is provided on the movable ladder, and the other is provided on the ladder framework to realize the translation of the movable ladder relative to the ladder framework. The sliding sleeve or the sliding pin is vertically arranged on the ladder framework 201, and the sliding sleeve or the sliding pin is vertically arranged on the back surface of the movable ladder. Embodiment

[0031] As Figure 1-6 shown, this embodiment provides a technical solution based on Embodiment 1. The difference from Embodiment 1 is that the ladder framework 201 includes a support base and support beams connected between the support base and the platform. The support beams are two parallel support columns.

[0032] The sliding sleeve includes a sleeve 205 and a fixing plate 206. One side of the fixing plate 206 is fixed on the support beam, and the sleeve 205 is provided on the other side. The sliding pin is placed inside the sleeve 205. The length of the sliding pin is greater than the length of the sleeve 205, and both ends of the sliding pin extend beyond the sleeve 205 and are fixedly connected to both sides of the movable step 104. The sleeve 205 moves relatively on the sliding pin, realizing the relative movement of the movable step 104 on the support beam.

[0033] There are two sets of the translation mechanisms. The first set of mechanism includes a first sliding sleeve 202 and a first sliding pin 107. The fixing plate 206 of the first sliding sleeve 202 is fixed on one end of the support beam close to the platform 102. The first sliding pin 107 is arranged inside the sleeve 205 of the first sliding sleeve 202, and both ends of it extend beyond the sleeve 205 and are fixedly connected to both sides of the movable step 104.

[0034] The second set of mechanism includes a second sliding sleeve 203 and a second sliding pin 108. The fixing plate 206 of the second sliding sleeve 203 is fixed on one end of the support beam close to the support surface. The second sliding pin 108 is arranged inside the sleeve 205 of the second sliding sleeve 203, and both ends of it extend beyond the sleeve 205 and are fixedly connected to both sides of the movable step 104.

[0035] An oil cup 204 for storing lubricating oil is provided on one surface of the fixing plate 206 fixed to the support beam. The inner cavity of the oil cup 204 communicates with the inner cavity of the sleeve 205, and the lubricating oil in the oil cup 204 enters the inner cavity of the sleeve 205. The contact surface between the sliding pin and the inner cavity of the sleeve is smoother, and the relative movement between the sleeve and the sliding pin is more flexible.

[0036] A first locking bolt 105 and a second locking bolt 106 are also provided on the side edges of the movable step 104 and the support beam. The first locking bolt 105 and the second locking bolt 106 are respectively in threaded fit with the bolt holes on the side edges of the movable step 104 and the support beam to fix the movable step 104 on the support beam. When in use, the stability of the movable step is ensured to guarantee the safety of personnel climbing.

[0037] A first independent guardrail 101 is provided on the side edge of the platform 102 away from the construction area, and a second independent guardrail 103 is provided on the side edge of the movable step 104 away from the construction area. The first independent guardrail 101 and the second independent guardrail 103 can ensure the safety of personnel during maintenance and climbing, and setting them away from the construction area will not interfere with personnel operations.

[0038] A baffle 301 is provided on the back of the movable ladder 104. The two side edges of the baffle 301 are fixed to the two side edges of the movable ladder 104. The step support beam is located between the movable ladder 104 and the baffle 301. The baffle 301 is as wide as the movable ladder 104. The material of the baffle 301 can be rubber, plastic or wood.

[0039] The baffle 301 moves together with the movable ladder. No matter which position the movable ladder 104 is in on the support beam, the baffle 301 can block the sliding sleeve on the support beam to ensure that no dirt or sewage enters the inner cavity of the sleeve.

[0040] During use, pull the movable ladder 104 from the side. The movable ladder 104 translates relative to the support beam. After placing the movable ladder 104 in a relatively appropriate position, fix the first locking bolt 105 in the bolt holes on the side edges of the movable ladder 104 and the support beam near the platform end, and fix the second locking bolt 106 in the bolt holes on the side edges of the movable ladder 104 and the support beam near the support surface end. Through the first locking bolt 105 and the second locking bolt 106, the relative locking of the movable ladder and the support beam is realized, and the stable and safe use of the movable ladder is achieved.

[0041] The above is only the preferred embodiment of the present application. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present application, several improvements and deformations can still be made, and these improvements and deformations should also be regarded as the protection scope of the present application.

Claims

1. A push-pull escalator, comprising a platform and steps, characterized in that, The ladder includes a ladder skeleton and a movable ladder. One end of the ladder skeleton is fixedly connected to the platform, and the other end extends to the support surface. The movable ladder is connected to the ladder skeleton through a translation mechanism. The translation mechanism includes a sliding sleeve and a sliding pin slidably connected within the sliding sleeve. One of the sliding sleeve and the sliding pin is disposed on the movable ladder, and the other is disposed on the ladder skeleton to enable the movable ladder to translate relative to the ladder skeleton.

2. The push-pull escalator according to claim 1, wherein, The sliding sleeve includes a sleeve and a fixing plate, and the sleeve is fixed to the ladder skeleton or the movable ladder through the fixing plate.

3. The push-pull escalator according to claim 2, characterized in that The length of the sliding pin is greater than the length of the sleeve. Both ends of the sliding pin extend beyond the sleeve and are fixedly connected to the two side edges of the ladder skeleton or the movable ladder.

4. The push-pull escalator according to claim 2 or 3, characterized in that, An oil cup for storing lubricating oil is provided on the fixing plate, and the inner cavity of the oil cup communicates with the inner cavity of the sleeve.

5. The push-pull escalator according to claim 1, characterized in that, Two sets of the translation mechanisms are provided, one set is disposed close to the platform, and the other set is disposed close to the support surface.

6. The push-pull escalator according to claim 1, characterized in that, A locking bolt is further included. Bolt holes matching the locking bolt are provided on the movable ladder and the ladder skeleton. The locking bolt is simultaneously engaged with the bolt holes of the movable ladder and the ladder skeleton to realize relative locking between the movable ladder and the ladder skeleton.

7. The push-pull escalator according to claim 1, wherein Independent guardrails are fixed to the sides of the platform and the movable ladder away from the construction area.

8. The push-pull escalator according to claim 1, wherein A baffle is further included. The baffle is connected to the movable ladder. The ladder skeleton is located between the movable ladder and the baffle, and the baffle can at least cover the sliding sleeve.

9. The push-pull escalator according to claim 1, characterized in that, The ladder skeleton includes a support base and support beams connecting the support base and the platform.

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