Electric shovel ladder folding and unfolding device with detection function

Abstract

The invention discloses an electric shovel ladder folding and unfolding device with a detection function. The electric shovel ladder folding and unfolding device comprises an electric shovel unit, a caterpillar band assembly, an operation room assembly arranged on the caterpillar band assembly and an electric shovel assembly arranged on the operation room assembly. The ladder unit comprises a fixing plate arranged on the side face of the operation room assembly, a swing ladder assembly movably arranged on the fixing plate, a protection fence arranged on the fixing plate, a driving assembly arranged in the fixing plate and driving the swing ladder assembly to be stored, a sliding assembly arranged on the driving assembly and a winding assembly arranged on the sliding assembly. And the supporting assembly is arranged in the fixed plate and is used for supporting the swinging ladder assembly. According to the electric shovel ladder folding and unfolding device with the detection function, in the swinging process of the swinging ladder assembly, the winding assembly conducts winding synchronously, pulling force is provided for the swinging ladder assembly, and the abrasion probability between internal parts of the driving assembly is reduced; and the supporting assembly swings to support the bottom surface of the swinging ladder assembly.

Description

Technical Field

[0001] The invention relates to the technical field of mining machinery, and in particular to an electric shovel ladder retracting and releasing device with a detection function. Background Art

[0002] Open-pit mines are operated by mining directly on the ground. The main excavation equipment in the open-pit mining process is the electric shovel. The electric shovel is large in size, with a maximum vertical height difference of 18 meters. The cabin is 6 meters from the ground. The driver and maintenance personnel need to use a ladder to enter the electric shovel for operation and maintenance. In order not to affect the rotation and excavation of the electric shovel, the ladder of the electric shovel is mostly suspended on the outside of the electric shovel railing by lifting, folding, and telescoping. It is manually operated by the operator and manually retracted after the maintenance personnel climb onto the electric shovel.

[0003] In the actual working process, due to the large vibration of the electric shovel, the maintenance personnel need to weld a hook lock at the tail of the ladder. After the operator retracts the ladder, he must hook the hook lock to prevent the ladder from falling suddenly during the operation of the electric shovel. The retracting and releasing device of the existing electric shovel ladder needs to be connected to the air duct, and the other end of the air duct is connected to the air pump. After turning on the switch, the air pump works to provide pressure, supporting the cylinder at the tail of the ladder to retract the ladder; after turning off the switch, the air pump stops working and the ladder falls freely. During the process of retracting the ladder, the ladder cannot stop and can only wait for the ladder to be retracted to the specified position. In addition, the switch of the ladder is on the far left. Before retracting the ladder, the operator needs to lean out of the railing to observe whether there are people, equipment and obstacles under the ladder. If the operator does not observe carefully, it is very likely that personal injury and equipment damage will occur. Summary of the invention

[0004] In view of the problem that the fixing part of the end of the ladder of the conventional electric shovel ladder retracting and releasing device with a detection function is easy to fall off during operation, the present invention is proposed.

[0005] Therefore, the present invention provides an electric shovel ladder retracting and releasing device with a detection function, the purpose of which is to solve the technical problem that the ladder is prone to fall off at the end fixing point in the working state.

[0006] In order to solve the above technical problems, the present invention provides the following technical solution: comprising an electric shovel unit and a ladder unit.

[0007] The electric shovel unit includes a crawler assembly, an operating room assembly arranged on the crawler assembly, and an electric shovel assembly arranged on the operating room assembly.

[0008] The ladder unit includes a fixed plate arranged on the side of the operating room assembly, a swing ladder assembly movably arranged on the fixed plate, a protective enclosure arranged on the fixed plate, a driving assembly arranged in the fixed plate and driving the swing ladder assembly to be stored, a sliding assembly arranged on the driving assembly, a winding assembly arranged on the sliding assembly, and a supporting assembly arranged in the fixed plate and supporting the swing ladder assembly.

[0009] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, the fixed plate is provided with a mounting groove for installing the swing ladder assembly, the fixed plate is provided with a storage groove for storing the support assembly, the fixed plate is provided with a mounting compartment 1 for installing the drive assembly, the fixed plate is provided with a connecting compartment connected to the mounting compartment 1, the fixed plate is provided with a mounting compartment 2 connected to the connecting compartment, and the bottom surface of the fixed plate is provided with an open groove connected to the connecting compartment.

[0010] As a preferred solution of the electric shovel ladder retracting and releasing device with detection function described in the present invention, the swing ladder assembly includes a swing ladder arranged on the driving assembly, an infrared detection device arranged on the swing ladder, and a connecting column arranged on the swing ladder.

[0011] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, the driving assembly includes a driving motor arranged in the installation compartment one, a worm arranged on the output shaft of the driving motor, a rotating shaft rotatably arranged in the installation groove and connected to the swing ladder, a worm wheel arranged on the rotating shaft and located in the installation compartment one, and a rotating rod arranged on the worm.

[0012] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, the sliding assembly includes a threaded rod arranged on the rotating rod, a threaded sleeve threaded on the threaded rod and slidably arranged in the connecting chamber, a rack arranged on the threaded sleeve, and a push plate arranged on the threaded sleeve.

[0013] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, the rack is installed on the side of the threaded sleeve away from the swing ladder assembly.

[0014] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, a guiding slope 1 is provided at one end of the push plate away from the driving assembly.

[0015] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function of the present invention, the length of the push plate is greater than the length of the rack, and the push plate is aligned with one end of the rack toward the drive assembly.

[0016] As a preferred solution of the electric shovel ladder retracting and releasing device with detection function described in the present invention, the reeling assembly includes a reeling rod arranged on the threaded rod, a reeling roller arranged on the reeling rod, and a reeling rope arranged on the reeling roller and connected to the connecting column.

[0017] As a preferred solution of the electric shovel ladder retracting and releasing device with a detection function described in the present invention, the support assembly includes a rotating shaft rotatably arranged in the second installation compartment and cooperated to extend into the storage groove, a gear arranged on the rotating shaft, a support plate arranged on the rotating shaft and located in the storage groove, a telescopic plate arranged in the second installation compartment, a limiting card plate arranged at the bottom end of the telescopic plate and cooperated to be inserted between adjacent teeth of the gear, and a guide plate arranged at the bottom end of the telescopic plate.

[0018] Wherein, a clearance groove for allowing the support plate to rotate is provided in the storage groove.

[0019] The beneficial effects of the present invention are as follows: a shovel unit and a ladder unit are provided, and the driving assembly drives the swinging ladder assembly to swing and be stored, and during the swinging process of the swinging ladder assembly, the winding assembly is synchronously wound up, providing a pulling force to the swinging ladder assembly, effectively reducing the probability of wear between the internal parts of the driving assembly, and at the same time, through the pulling of the winding assembly, the swinging and storage of the swinging ladder assembly is made more stable, reducing the risk of sudden falling, and after storage, the joint action of the driving assembly and the winding assembly can withstand the violent vibration generated during the operation of the electric shovel, making the storage of the swinging ladder assembly more stable; and during the operation of the driving assembly, the sliding assembly gradually acts on the supporting assembly, causing the supporting assembly to swing, which can support the bottom surface of the swinging ladder assembly, further reinforcing the storage stability of the swinging ladder assembly, and reducing the wear of the winding assembly during vibration, and the front, middle and rear parts of the swinging ladder assembly are respectively supported by the driving assembly, the supporting assembly and the winding assembly, making the swinging ladder assembly more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1The overall structure of the electric shovel ladder retracting and releasing device with detection function of the present invention is shown in FIG. Figure 1 .

[0022] Figure 2 The overall structure of the electric shovel ladder retracting and releasing device with detection function of the present invention is shown in FIG. Figure 2 .

[0023] Figure 3 The present invention is a schematic structural diagram of a ladder unit in an electric shovel ladder retracting and extending device with a detection function.

[0024] Figure 4 It is a cross-sectional view of a ladder unit in the electric shovel ladder retracting and extending device with a detection function of the present invention.

[0025] Figure 5 A partial cross-sectional view of a fixed plate in the electric shovel ladder retracting and releasing device with a detection function of the present invention Figure 1 .

[0026] Figure 6 for Figure 5 A local enlarged schematic diagram of the .

[0027] Figure 7 A partial cross-sectional view of a fixed plate in the electric shovel ladder retracting and releasing device with a detection function of the present invention Figure 2 .

[0028] Figure 8 for Figure 7 A local enlarged schematic diagram of the .

[0029] Fig. 9 The present invention is a schematic structural diagram of a sliding assembly in an electric shovel ladder retracting and releasing device with a detection function.

[0030] In the figure: 100, electric shovel unit; 101, crawler assembly; 102, operating room assembly; 103, electric shovel assembly; 200, ladder unit; 201, fixing plate; 201a, installation slot; 201b, storage slot; 201c, installation compartment 1; 201d, connecting compartment; 201e, installation compartment 2; 201f, opening slot; 201g, clearance slot; 202, swing ladder assembly; 202a, swing ladder; 202b, infrared detection device; 202c, connecting column; 203, protective enclosure; 204, drive assembly; 204a, drive motor machine; 204b, worm; 204c, rotating shaft; 204d, worm wheel; 204e, rotating rod; 205, sliding assembly; 205a, threaded rod; 205b, threaded sleeve; 205c, rack; 205d, push plate; 205e, guide ramp 1; 206, winding assembly; 206a, winding rod; 206b, winding roller; 206c, winding rope; 207, supporting assembly; 207a, rotating shaft; 207b, gear; 207c, supporting plate; 207d, telescopic plate; 207e, limiting clamping plate; 207f, guide plate. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0033] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0034] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0035] Example 1, reference Figure 1-7, which is the first embodiment of the present invention, provides an electric shovel ladder retracting and releasing device with a detection function, the device comprising an electric shovel unit 100 and a ladder unit 200. The arrangement of the ladder unit 200 can make the storage of the swing ladder assembly 202 more stable, and will not fall during the working state, thereby improving the safety of the storage and operation of the swing ladder assembly 202.

[0036] The electric shovel unit 100 includes a track assembly 101, an operating room assembly 102 arranged on the track assembly 101, and an electric shovel assembly 103 arranged on the operating room assembly 102; the electric shovel unit 100 is an existing electric shovel, which can be a Taizhong WK-35 series electric shovel.

[0037] The ladder unit 200 includes a fixed plate 201 arranged on the side of the operating room assembly 102, a swing ladder assembly 202 movably arranged on the fixed plate 201, a protective enclosure 203 arranged on the fixed plate 201, a driving assembly 204 arranged in the fixed plate 201 and driving the swing ladder assembly 202 to be stored, a sliding assembly 205 arranged on the driving assembly 204, a winding assembly 206 arranged on the sliding assembly 205, and a supporting assembly 207 arranged in the fixed plate 201 and supporting the swing ladder assembly 202. The swing ladder assembly 202 is provided with a detection device. When it is detected that there is no obstruction to the storage of the swing ladder assembly 202, the swing ladder assembly 202 is controlled to swing by the driving assembly 204, and at the same time, the sliding assembly 205 and the winding assembly 206 can be driven to rotate. The winding assembly 206 stably pulls the swing of the swing ladder assembly 202, thereby ensuring the stable state of the swing ladder assembly 202 during the winding process, and will not fall suddenly, and will not cause damage to the staff below. At the same time, the sliding assembly 205 drives the support assembly 207 to operate. When the swing ladder assembly 202 swings to a horizontal position, the swing ladder assembly 202 is stably supported. Even in the working state of the electric shovel, the stable storage state of the swing ladder assembly 202 can still be maintained. The pulling force of the winding assembly 206 is reduced through the action of the support assembly 207, the wear of the winding assembly 206 is reduced, and the wear degree of the internal parts of the driving assembly 204 under the gravity of the swing ladder assembly 202 in the vibration state is effectively reduced.

[0038] During use, the driving assembly 204 drives the swing ladder assembly 202 to swing and store. During the swinging process of the swing ladder assembly 202, the winding assembly 206 is synchronously wound, providing a pulling force to the swing ladder assembly 202, effectively reducing the probability of wear between the internal parts of the driving assembly 204. At the same time, through the pulling of the winding assembly 206, the swinging storage of the swing ladder assembly 202 is more stable, reducing the risk of sudden falling. After storage, the driving assembly 204 and the winding assembly 206 work together to withstand the severe vibration generated during the operation of the electric shovel, so that The storage of the swing ladder assembly 202 is made more stable; and during the operation of the driving assembly 204, the sliding assembly 205 gradually acts on the supporting assembly 207, causing the supporting assembly 207 to swing, which can support the bottom surface of the swing ladder assembly 202, further strengthening the storage stability of the swing ladder assembly 202, and reducing the wear of the winding assembly 206 during vibration. The front, middle and rear parts of the swing ladder assembly 202 are supported by the driving assembly 204, the supporting assembly 207 and the winding assembly 206 respectively, making the swing ladder assembly 202 more stable.

[0039] Example 2, reference Figure 1-9 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that: the driving motor 204a drives the worm 204b to rotate, so that the worm wheel 204d and the rotating shaft 204c rotate, and the swing ladder assembly 202 set on the rotating shaft 204c is swung and stored; at the same time, the rotation of the worm 204b drives the rotating rod 204e to rotate, so that the threaded sleeve 205b moves until the threaded sleeve 205b moves to the support assembly 207, driving the support assembly 207 to rotate, and supporting the lower end surface of the swing ladder assembly 202; and the winding rod 206a rotates together with the threaded rod 205a and the rotating rod 204e, so that the winding rope 206d can be wound. At this time, the winding rope 206d provides a pulling force to the connecting column 202c, which reduces the force of the swing ladder assembly 202 in the vertical direction and reduces the friction between the worm wheel 204d and the worm 204b.

[0040] Compared with the first embodiment, the fixed plate 201 is provided with a mounting groove 201a for mounting the swing ladder assembly 202, the fixed plate 201 is provided with a storage groove 201b for storing the support assembly 207, the fixed plate 201 is provided with a mounting chamber 1 201c for mounting the drive assembly 204, the fixed plate 201 is provided with a connecting chamber 201d connected with the mounting chamber 1 201c, the fixed plate 201 is provided with a mounting chamber 201e connected with the connecting chamber 201d, and the bottom surface of the fixed plate 201 is provided with an opening groove 201f connected with the connecting chamber 201d. The fixed plate 201 is an L-shaped plate; the swing ladder assembly 202 is flush with the fixed plate 201 in the storage state; the winding assembly 206 cooperates to pass through the opening groove 201f; the support assembly 207 is installed in the mounting chamber 2 201e and cooperates to extend into the storage groove 201b. The driving assembly 204 , the sliding assembly 205 , the winding assembly 206 and the supporting assembly 207 are all installed in the fixed plate 201 .

[0041] Preferably, the swing ladder assembly 202 includes a swing ladder 202a disposed on the driving assembly 204, an infrared detection device 202b disposed on the swing ladder 202a, and a connecting column 202c disposed on the swing ladder 202a. A control panel is provided in the operating room assembly 102, which can control the operation of the infrared detection device 202b; the connecting column 202c is located below the fixing plate 201, and when the swing ladder assembly 202 is stored, the connecting column 202c is located in the opening slot 201f; if there are personnel, equipment and obstacles, the indicator light in the operating room assembly 102 is red, and the driving assembly 204 is not powered, so as to avoid accidental touch and the storage of the swing ladder assembly 202 causing casualties.

[0042] Furthermore, the driving assembly 204 includes a driving motor 204a disposed in the mounting chamber 201c, a worm 204b disposed on the output shaft of the driving motor 204a, a rotating shaft 204c rotatably disposed in the mounting groove 201a and connected to the swing ladder 202a, a worm wheel 204d disposed on the rotating shaft 204c and located in the mounting chamber 201c, and a rotating rod 204e disposed on the worm 204b. The rotating shaft 204c cooperates to extend into the installation bin 1 201c; the worm wheel 204d arranged on the rotating shaft 204c meshes with the worm 204b, and the meshing of the worm wheel 204d and the worm 204b itself has a self-locking function, which can effectively prevent the swing ladder 202a from swinging and falling due to vibration; the worm wheel 204d is driven by the worm 204b to rotate, and when the electric shovel is in working state, even if strong vibration occurs, the self-locking function of the worm 204b and the worm wheel 204d can also effectively prevent the swing ladder assembly 202 from being unstable in storage state, and the swing ladder assembly 202 rotates to cause the lower end to fall. The driving motor 204a drives the worm 204b to rotate, so that the worm wheel 204d and the rotating shaft 204c rotate, and the swing ladder assembly 202 arranged on the rotating shaft 204c is swing-stored, and at the same time, the rotation of the worm 204b drives the rotating rod 204e to rotate, so that the sliding assembly 205 and the winding assembly 206 are both running.

[0043] In particular, the sliding assembly 205 includes a threaded rod 205a disposed on the rotating rod 204e, a threaded sleeve 205b threadedly disposed on the threaded rod 205a and slidably disposed in the connecting chamber 201d, a rack 205c disposed on the threaded sleeve 205b, and a push plate 205d disposed on the threaded sleeve 205b. The threaded sleeve 205b is provided with a slide plate 205f for slidingly connecting the inner wall of the connecting chamber 201d; the rack 205c is located below the push plate 205d, which can ensure that there is enough space above the rack 205c to install the parts of the support assembly 207, so that the upper push plate 205d can first unlock the support assembly 207, and then the lower rack 205c drives the support assembly 207 to rotate and support. The length of the threaded rod 205a is greater than the length of the threaded sleeve 205b. When the threaded rod 205a starts to rotate, the threaded sleeve 205b moves, but does not act on the support assembly 207. At this time, the swing of the swing ladder assembly 202 is still in the initial stage, and the support assembly 207 will not rotate out of the storage groove 201b, and will not affect the swing of the swing ladder assembly 202.

[0044] Furthermore, the rack 205c is installed on the side of the threaded sleeve 205b away from the swing ladder assembly 202. When the threaded sleeve 205b moves along the threaded rod 205a toward the winding assembly 206, the rack 205c drives the support assembly 207 to swing counterclockwise, and the support assembly 207 rotates out from the storage slot 201b to support the swing ladder 202a. When swinging counterclockwise, the support assembly 207 can rotate out along the angle at which the swing ladder 202a is first restored. The swing ladder 202a is not completely stored in the horizontal position and will not affect the rotation of the support assembly 207, that is, the swing of the swing ladder 202a and the support assembly 207 are not affected. 07 will not affect each other's rotation; at the same time, the rack 205c is installed on the side of the threaded sleeve 205b away from the swing ladder assembly 202, which can increase the depth of the storage groove 201b, and at the same time enable the support assembly 207 to retain more parts in the storage groove 201b when rotating. When the support assembly 207 supports the swing ladder assembly 202, the support assembly 207 itself is limited by the storage groove 201b. The area is larger, the support assembly 207 is more stable, and the strength when supporting is also higher.

[0045] Furthermore, a guide slope 205e is provided at one end of the push plate 205d away from the driving assembly 204. By providing the guide slope 205e to cooperate with the support assembly 207, the support assembly 207 can be driven to unlock and rotate the support.

[0046] Preferably, the length of the push plate 205d is greater than the length of the rack 205c, and the push plate 205d is aligned with one end of the rack 205c facing the driving assembly 204. The push plate 205d first unlocks the support assembly 207 when the end of the push plate 205d exceeds the rack 205c, and then the rack 205c drives the support assembly 207 to rotate, thereby achieving the support of the swing ladder 202a by the support assembly 207.

[0047] In particular, the winding assembly 206 includes a winding rod 206a disposed on the threaded rod 205a, a winding roller 206b disposed on the winding rod 206a, and a winding rope 206d disposed on the winding roller 206b and connected to the connecting column 202c. The inner wall of the opening groove 201f is provided with a rounded corner, which can protect the winding assembly 206 from wear; the diameter of the opening groove 201f is larger than the diameter of the connecting column 202c, which can ensure that the connecting column 202c is stably inserted into the opening groove 201f. The winding rod 206a rotates together with the threaded rod 205a and the rotating rod 204e, and then the winding rope 206d can be wound. At this time, the winding rope 206d provides a pulling force to the connecting column 202c, which reduces the force of the swing ladder assembly 202 in the vertical direction and reduces the friction between the worm wheel 204d and the worm 204b.

[0048] The remaining structures are the same as those of Example 1.

[0049] Example 3, reference Figure 1-9 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: when the push plate 205d moves to the guide plate 207f, it can push the guide plate 207f to compress the telescopic plate 207d upward, thereby separating the limiting clamping plate 207e from the gear 207b, thereby unlocking the gear 207b. In the process that the threaded sleeve 205b continues to drive the push plate 205d and the rack 205c to move, the rack 205c can drive the gear 207b to rotate, thereby causing the support plate 207c to rotate out of the storage groove 201b and support the bottom surface of the swing ladder 202a.

[0050] Compared with the second embodiment, the support assembly 207 further includes a rotating shaft 207a rotatably disposed in the second installation chamber 201e and cooperating with the shaft 207a extending into the storage groove 201b, a gear 207b disposed on the rotating shaft 207a, a support plate 207c disposed on the rotating shaft 207a and located in the storage groove 201b, a telescopic plate 207d disposed in the second installation chamber 201e, a limiting card plate 207e disposed at the bottom end of the telescopic plate 207d and cooperating with the insertion between adjacent teeth of the gear 207b, and a guide plate 207f disposed at the bottom end of the telescopic plate 207d; the height of the guide plate 207f is less than that of the limiting card plate 20 7e, a guide slope 205e is provided on the guide plate 207f, which cooperates with the guide slope 1 205e. When the push plate 205d moves to the guide plate 207f, it can push the guide plate 207f to compress the telescopic plate 207d upward, thereby separating the limiting card plate 207e from the gear 207b, thereby unlocking the gear 207b. In the process that the threaded sleeve 205b continues to drive the push plate 205d and the rack 205c to move, the rack 205c can drive the gear 207b to rotate, thereby making the support plate 207c rotate out of the storage groove 201b and support the bottom surface of the swing ladder 202a.

[0051] The receiving groove 201b is provided with a clearance groove 201g for the support plate 207c to rotate. The clearance groove 201g can ensure the rotation of the support plate 207c.

[0052] The remaining structure is the same as that of Example 2.

[0053] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, changes in orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to an alternative embodiment. In the claims, any "device plus function" clause is intended to cover the structure of the function described herein, and is not only structurally equivalent but also equivalent structure. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0054] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those features that are not relevant to implementing the invention).

[0055] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An electric shovel ladder retracting and releasing device with a detection function, characterized in that: include, An electric shovel unit (100) comprises a crawler track assembly (101), an operating room assembly (102) arranged on the crawler track assembly (101), and an electric shovel assembly (103) arranged on the operating room assembly (102); and, The ladder unit (200) comprises a fixed plate (201) arranged on the side of the operating room assembly (102), a swing ladder assembly (202) movably arranged on the fixed plate (201), a protective enclosure (203) arranged on the fixed plate (201), a driving assembly (204) arranged in the fixed plate (201) and driving the swing ladder assembly (202) to be stored, a sliding assembly (205) arranged on the driving assembly (204), a winding assembly (206) arranged on the sliding assembly (205), and a supporting assembly (207) arranged in the fixed plate (201) and supporting the swing ladder assembly (202).

2. The electric shovel ladder retracting and releasing device with detection function according to claim 1 is characterized in that: The fixed plate (201) is provided with a mounting groove (201a) for mounting the swing ladder assembly (202); the fixed plate (201) is provided with a storage groove (201b) for storing the support assembly (207); the fixed plate (201) is provided with a mounting chamber 1 (201c) for mounting the drive assembly (204); the fixed plate (201) is provided with a connecting chamber (201d) connected to the mounting chamber 1 (201c); the fixed plate (201) is provided with a mounting chamber 2 (201e) connected to the connecting chamber (201d); and the bottom surface of the fixed plate (201) is provided with an opening groove (201f) connected to the connecting chamber (201d).

3. The electric shovel ladder retracting and releasing device with detection function according to claim 2 is characterized in that: The swing ladder assembly (202) comprises a swing ladder (202a) arranged on the driving assembly (204), an infrared detection device (202b) arranged on the swing ladder (202a), and a connecting column (202c) arranged on the swing ladder (202a).

4. The electric shovel ladder retracting and releasing device with detection function according to claim 3 is characterized in that: The driving assembly (204) comprises a driving motor (204a) disposed in the first installation chamber (201c), a worm (204b) disposed on the output shaft of the driving motor (204a), a rotating shaft (204c) rotatably disposed in the installation groove (201a) and connected to the swing ladder (202a), a worm wheel (204d) disposed on the rotating shaft (204c) and located in the first installation chamber (201c), and a rotating rod (204e) disposed on the worm (204b).

5. The electric shovel ladder retracting and releasing device with detection function according to claim 4 is characterized in that: The sliding assembly (205) comprises a threaded rod (205a) arranged on the rotating rod (204e), a threaded sleeve (205b) threadedly arranged on the threaded rod (205a) and slidably arranged in the connecting chamber (201d), a rack (205c) arranged on the threaded sleeve (205b), and a push plate (205d) arranged on the threaded sleeve (205b).

6. The electric shovel ladder retracting and releasing device with detection function according to claim 5 is characterized in that: The rack (205c) is mounted on a side of the threaded sleeve (205b) away from the swing ladder assembly (202).

7. The electric shovel ladder retracting and releasing device with detection function according to claim 6 is characterized in that: One end of the push plate (205d) away from the drive assembly (204) is provided with a guide slope 1 (205e).

8. The electric shovel ladder retracting and releasing device with detection function according to claim 7 is characterized in that: The length of the push plate (205d) is greater than the length of the rack (205c), and the push plate (205d) is aligned with one end of the rack (205c) facing the drive assembly (204).

9. The electric shovel ladder retracting and releasing device with detection function according to claim 8 is characterized in that: The winding assembly (206) comprises a winding rod (206a) arranged on the threaded rod (205a), a winding roller (206b) arranged on the winding rod (206a), and a winding rope (206d) arranged on the winding roller (206b) and connected to the connecting column (202c).

10. The electric shovel ladder retracting and releasing device with detection function according to claim 9, characterized in that: The support assembly (207) comprises a rotating shaft (207a) rotatably disposed in the second installation chamber (201e) and cooperating with a shaft extending into the storage groove (201b), a gear (207b) disposed on the rotating shaft (207a), a support plate (207c) disposed on the rotating shaft (207a) and located in the storage groove (201b), a telescopic plate (207d) disposed in the second installation chamber (201e), a limiting clamping plate (207e) disposed at the bottom end of the telescopic plate (207d) and cooperating with a shaft inserted between adjacent teeth of the gear (207b), and a guide plate (207f) disposed at the bottom end of the telescopic plate (207d); Wherein, a clearance groove (201g) for allowing the support plate (207c) to rotate is provided in the storage groove (201b).

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