Elevator car frame and elevator

Abstract

The elevator car frame comprises an elevator car bottom support, a plurality of straight beam column bodies, a lower beam and a plurality of cable-stayed mechanisms, the straight beam column bodies are arranged on the two sides, in the width direction of the elevator car bottom support, of the elevator car bottom support, and the mounting positions, in the height direction of the straight beam columns, of the straight beam column bodies and the elevator car bottom support can be adjusted; the lower beam is arranged below the car bottom support and detachably connected to the multiple straight beam column bodies. The cable-stayed mechanism comprises two cable-stayed assemblies, and the two cable-stayed assemblies are arranged on the two sides, in the length direction of the lift car bottom support, of the corresponding straight beam column bodies and movably connected with the lift car bottom support and the corresponding straight beam column bodies correspondingly. The elevator car frame can be suitable for application scenes with different car heights, in this way, only the car height needs to be adjusted when an elevator is updated and transformed, and therefore the transformation cost of the elevator can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator related technical field, especially, a kind of elevator car frame and elevator. BACKGROUND

[0002] Elevator car frame refers to the frame of elevator fixed and supporting car, mainly including car bottom support, two straight beams arranged on the both sides of car bottom support and connected with car bottom support respectively.

[0003] At present, the use height of straight beam in the elevator car frame of existing elevator is generally fixed after design and installation, including car bottom support connected with straight beam, which is also not adjustable. However, the elevator car frame of fixed structure lacks flexibility when facing complex and diverse building structures, so when updating and reconstructing elevator, if customer has requirements on car height and needs to adjust car height, it is often necessary to redesign and develop elevator car frame, which greatly increases the reconstruction cost of elevator. INVENTION CONTENTS

[0004] Therefore, it is necessary to provide an elevator car frame with adjustable straight beam column height and elevator.

[0005] An elevator car frame comprises:

[0006] Car bottom support;

[0007] Multiple straight beam columns arranged on the both sides of car bottom support in the width direction of car bottom support, and the installation position between straight beam column and car bottom support in the height direction of straight beam column can be adjusted;

[0008] Lower beam arranged below car bottom support, and the lower beam is connected to multiple straight beam columns in a detachable manner;

[0009] Cable-stayed mechanism corresponding to multiple straight beam columns, and the cable-stayed mechanism comprises two cable-stayed components, two cable-stayed components are arranged on the both sides of corresponding straight beam column in the length direction of car bottom support, and are respectively connected with car bottom support and corresponding straight beam column in a movable manner.

[0010] It can be understood that, by using detachable connection between lower beam and straight beam column, movable connection between cable-stayed mechanism and straight beam column and car bottom support, the installation position of car bottom support on straight beam column in the elevator car frame can be adjusted, to change the use height of straight beam column, so that the elevator car frame can be applied to different car height application scenarios, and the purpose of one thing serving multiple purposes is achieved, so when elevator updating and reconstruction process faces different car heights, only car height needs to be adjusted, which greatly reduces the reconstruction cost of elevator.

[0011] The inclined pull assembly comprises a positioning frame, an inclined pull rod and a positioning slider, the positioning frame is slidably connected to the corresponding straight beam column body, and the mounting position of the positioning frame on the straight beam column body is adjustable;

[0012] The positioning slider is slidably connected to the car bottom support, and the positioning slider and the positioning frame are connected through the inclined pull rod.

[0013] It can be understood that the sliding connection between the positioning frame and the straight beam column body and the positioning slider and the car bottom support is used to adjust the position of the inclined pull assembly between the straight beam column body and the car bottom support. During the adjustment, the positioning frame is actively adjusted, so that the inclined pull assembly can be adaptively adjusted according to the adjustment of the car bottom support, which facilitates the adjustment of the mounting position of the car bottom support on the straight beam column body.

[0014] In one embodiment, the straight beam column body is provided with a first positioning slide way extending along the axial direction of the straight beam column body;

[0015] The inclined pull assembly further comprises a track vehicle, the track vehicle is slidably connected to the first positioning slide way and connected to the positioning frame, and the positioning frame can be moved along the extension direction of the first positioning slide way under the driving of the track vehicle, so as to lift / lower the car bottom support between the straight beam column bodies.

[0016] It can be understood that the track vehicle is moved on the first positioning slide way to adjust the height of the straight beam column body, which facilitates the installation and debugging of the elevator car frame and improves the work efficiency of the installation personnel.

[0017] In one embodiment, the first positioning slide way is provided with positioning groove structures on both sides thereof, the positioning groove structures comprise a plurality of positioning insertion grooves arranged along the axial direction of the straight beam column body to form the positioning groove structures;

[0018] The track vehicle is provided with a plurality of insertion pin assemblies telescopically installed thereon, the insertion pin assemblies are arranged on both sides of the track vehicle and correspondingly matched with the positioning groove structures arranged on both sides of the first positioning slide way, the insertion pin assemblies comprise a plurality of positioning insertion pins driven by a power mechanism to extend out of the track vehicle and correspondingly inserted into the positioning insertion grooves to lock the track vehicle on the first positioning slide way.

[0019] It can be understood that the positioning insertion pins and the positioning insertion grooves are inserted and matched to lock the track vehicle on the first positioning slide way, which improves the stability of the track vehicle when locked on the first positioning slide way and meets the requirement of supporting the stability of the car bottom support, thereby improving the stability of the elevator car frame structure.

[0020] In one of the embodiments, the positioning sliding block is slidingly mounted in the car bottom support;

[0021] A plurality of guide sliding rods are mounted in the car bottom support, and the guide sliding rods are sequentially and spacedly arranged along the width direction of the car bottom support and respectively slidingly matched with the positioning sliding block in the length direction of the car bottom support.

[0022] It can be understood that the guide sliding rods are used to guide the sliding of the positioning sliding block on the car bottom support, so as to improve the stability of the sliding of the positioning sliding block on the car bottom support.

[0023] In one of the embodiments, the positioning sliding block comprises a positioning connecting plate, and the diagonal pull rod is hingedly connected with the positioning sliding block through the positioning connecting plate.

[0024] The positioning connecting plate is arranged on the outer side of the car bottom support and abuts against the car bottom support.

[0025] It can be understood that the abutment between the positioning connecting plate and the car bottom support can guide and support the sliding of the positioning sliding block in the car bottom support, so as to further limit the position of the positioning sliding block on the car bottom support, avoid the transverse displacement, provide a pressure dispersion point for the stress condition under different working conditions, prevent the straight beam column body from shaking or shifting during the operation of the elevator, and increase the stability of the elevator car frame structure.

[0026] In one of the embodiments, the lower beam is arranged between the two straight beam column bodies in the width direction of the car bottom support and is slidingly connected with the two straight beam column bodies respectively.

[0027] Both ends of the lower beam are telescopically mounted with insertion rods, the insertion rods are capable of being insertedly matched with the corresponding two straight beam column bodies, and the lower beam is limited to the corresponding two straight beam column bodies in this way.

[0028] It can be understood that the sliding connection between the lower beam and the straight beam column body can guide the adjustment of the mounting position of the car bottom support on the straight beam column body, and the telescopic movement of the insertion rod on the lower beam can be used to control the locking / unlocking between the lower beam and the straight beam column body during the process.

[0029] In one of the embodiments, the straight beam column body is provided with a second positioning sliding groove, and the lower beam is slidingly connected with the straight beam column body through the second positioning sliding groove.

[0030] The plurality of positioning insertion holes are arranged along the height direction of the straight beam column body in sequence and the insertion rod can be inserted into the corresponding insertion hole.

[0031] It can be understood that the detachable connection between the lower beam and the straight beam column body is realized by the second positioning slide and the positioning insertion hole.

[0032] In one of the embodiments, the lower beam is provided with a telescopic driving member, the insertion rod is drivingly connected with the telescopic driving member, and the insertion rod can be driven to make telescopic movement relative to the lower beam by the telescopic driving member.

[0033] It can be understood that the telescopic control of the insertion rod by the telescopic driving member enables the insertion rod to be actively adjusted in extension and retraction, so that the lower beam can be adaptively adjusted according to the adjustment of the car bottom support, so as to adjust the installation position of the car bottom support on the straight beam column body.

[0034] In addition, the application also claims to protect an elevator comprising the elevator car frame.

[0035] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0036] The elevator car frame and the elevator claimed in the application utilize the detachable connection between the lower beam and the straight beam column body and the movable connection between the cable-stayed mechanism and the straight beam column body and the car bottom support, so that the installation position of the car bottom support in the elevator car frame on the straight beam column body can be adjusted to change the use height of the straight beam column body, so that the elevator car frame can be applied to different car height application scenarios and achieve the purpose of one thing serving multiple purposes. When the elevator updating and reconstruction process faces different car heights, only the car height needs to be adjusted, which greatly reduces the reconstruction cost of the elevator. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort.

[0038] Figure 1 The structural schematic diagram of the elevator car frame provided by the application.

[0039] Figure 2 The partial sectional view of the elevator car frame provided by the application.

[0040] Figure 3 Another perspective view of the elevator car frame provided in the present application.

[0041] Figure 4 A partial sectional view of the positioning slider and the lower beam when the car bottom support is assembled in the present application.

[0042] Figure 5 A structural schematic view of the lower beam and the cable-stayed assembly when assembled on the straight beam column body in the present application.

[0043] Figure 6 A partial structural schematic view of the cable-stayed assembly when assembled on the straight beam main body in the present application.

[0044] Reference signs: 100, elevator car frame; 10, car bottom support; 11, guide slide rod; 12, connecting screw; 20, straight beam column body; 21, second positioning slide; 211, positioning socket; 212, second power supply slide rail; 22, first positioning slide; 221, positioning slot; 30, lower beam; 31, insertion rod; 40, cable-stayed mechanism; 41, cable-stayed assembly; 411, positioning frame; 412, cable-stayed rod; 413, positioning slider; 4131, positioning connecting plate; 414, track vehicle; 415, positioning pin. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0046] It should be noted that when an element is referred to as being "provided on" another element, it can be directly provided on the other element or there can be a middle element. When an element is referred to as being "provided on" another element, it can be directly provided on the other element or there can be a middle element. When an element is referred to as being "fixed on" another element, it can be directly fixed on the other element or there can be a middle element.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application only for the purpose of describing specific embodiments of the present application, and is not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0048] As Figures 1 to 3As shown, the elevator car frame 100 provided by an embodiment of the present application comprises a car base 10, a plurality of straight beam column bodies 20, a lower beam 30, and a plurality of cable-stayed mechanisms 40. The plurality of straight beam column bodies 20 are arranged on both sides of the car base 10 in the width direction of the car base 10, and the mounting position between the straight beam column body 20 and the car base 10 in the height direction of the straight beam column body 20 can be adjusted. The lower beam 30 is arranged below the car base 10 and connected with the car base 10, and the lower beam 30 is detachably connected with the plurality of straight beam column bodies 20. The plurality of cable-stayed mechanisms 40 correspond to the plurality of straight beam column bodies 20 one by one, and each cable-stayed mechanism 40 comprises two cable-stayed assemblies 41 arranged on both sides of the corresponding straight beam column body 20 in the length direction of the car base 10 and movably connected with the car base 10 and the corresponding straight beam column body 20, respectively. The plurality of straight beam column bodies 20 can bear the car base 10 through the lower beam 30 and the cable-stayed mechanism 40. Here, the number of straight beam column bodies 20 is two, and each straight beam column body 20 is respectively provided with one cable-stayed mechanism 40. It can be understood that in other embodiments, the number of straight beam column bodies 20 can also be four, six, or even more even numbers.

[0049] As can be seen from the above, the elevator car frame 100 of the present application utilizes the detachable connection between the lower beam 30 and the straight beam column body 20 and the movable connection between the cable-stayed mechanism 40 and the straight beam column body 20 and the car base 10, so that the mounting position of the car base 10 on the straight beam column body 20 in the elevator car frame 100 can be adjusted to change the use height of the straight beam column body 20, thereby enabling the elevator car frame 100 to be applicable to application scenarios of different car heights and achieving the purpose of one thing serving multiple purposes. In this way, when the elevator updating and reconstruction process faces different car heights, only the car height needs to be adjusted, which can greatly reduce the reconstruction cost of the elevator.

[0050] It should be noted that when adjusting the mounting position of the car base 10 between the two straight beam column bodies 20, the elevator car frame 100 of the present application can specifically use an external mechanical structure to drive the car base 10 to be raised or lowered between the two straight beam column bodies 20; or, according to the use height of the elevator car, the mounting of the car base 10 between the two straight beam column bodies 20 is guided, and then the lower beam 30 is connected with the two straight beam column bodies 20, and the cable-stayed assembly 41 is locked and fixed on the straight beam column body 20.

[0051] As Figures 2 to 5As shown, in an embodiment, the lower beam 30 is arranged between the two straight beam columns 20 in the width direction of the car bottom support 10 and is in sliding connection with the two straight beam columns 20 respectively; wherein both ends of the lower beam 30 are telescopically provided with the insertion rod 31, the insertion rod 31 can be in insertion fit with the corresponding two straight beam columns 20, and the lower beam 30 is thus limited to the corresponding two straight beam columns 20. That is, the lower beam 30 can realize the detachable connection between the lower beam 30 and the straight beam column 20 through the telescopic movement of the insertion rod 31, and in this process, when the insertion rod 31 is in insertion fit with the straight beam column 20, the locking between the lower beam 30 and the straight beam column 20 can be realized.

[0052] As can be seen from the above, when the car bottom support 10 needs to be adjusted in the installation position on the straight beam column 20, the insertion rod 31 on the lower beam 30 can be first retracted into the lower beam 30 to release the locking between the lower beam 30 and the straight beam column 20, and then the sliding connection between the lower beam 30 and the straight beam column 20 is used as a guide to guide the movement of the car bottom support 10 on the straight beam column 20, after the car bottom support 10 and the lower beam 30 are moved to the target position, the insertion rod 31 on the lower beam 30 is extended from the lower beam 30 and is in insertion fit with the straight beam column 20, which is used to re-lock the lower beam 30 on the straight beam column 20, so that the adjustment of the installation position of the car bottom support 10 on the straight beam column 20 can be facilitated.

[0053] In this embodiment, the straight beam column 20 is provided with the second positioning slide 21, and the lower beam 30 can be in sliding connection with the straight beam column 20 through the second positioning slide 21, specifically, the end of the lower beam 30 can be inserted into the second positioning slide 21 and is in sliding connection with the straight beam column 20.

[0054] Wherein, the straight beam column 20 of this embodiment is provided with a plurality of positioning insertion holes 211 at the bottom position of the second positioning slide 21, the plurality of positioning insertion holes 211 are arranged in sequence and are spaced along the height direction of the straight beam column 20, and the insertion rod 31 can be in insertion fit with the corresponding insertion rod 31 and realize the insertion fit between the insertion rod 31 and the straight beam column 20.

[0055] In an embodiment, a telescopic driving member (not shown) is installed in the lower beam 30, the insertion rod 31 is drivingly connected with the telescopic driving member, and the insertion rod 31 can be driven to make telescopic movement relative to the lower beam 30 by the telescopic driving member. That is, the telescopic movement of the insertion rod 31 can be automatically controlled by the telescopic driving member, so that the lower beam 30 can be adaptively adjusted according to the adjustment of the car bottom support 10, so as to adjust the installation position of the car bottom support 10 on the straight beam column body 20. Here, the telescopic driving member can be specifically configured as a hydraulic cylinder, and the power supply of the hydraulic cylinder can be specifically provided by the second power supply slide rail 212 on the second positioning slide 21. It can be understood that in other embodiments, the telescopic movement of the two insertion rods 31 on the lower beam 30 can also be realized by driving two screw rods with opposite screw directions to control the opposite or opposite movement, which will not be expanded here.

[0056] As shown in Figure 2 , Figure 5 and Figure 6 , in an embodiment, the inclined pull assembly 41 includes a positioning frame 411, an inclined pull rod 412 and a positioning slide block 413. The positioning frame 411 is slidingly connected to the corresponding straight beam column body 20, and the installation position of the positioning frame 411 on the straight beam column body 20 can be adjusted. The positioning slide block 413 is slidingly connected to the car bottom support 10, and the positioning slide block 413 and the positioning frame 411 are connected by the inclined pull rod 412. That is, the inclined pull assembly 41 can be specifically realized by the sliding connection between the positioning frame 411 and the straight beam column body 20, and the positioning slide block 413 and the car bottom support 10, to adjust the position of the inclined pull assembly 41 between the straight beam column body 20 and the car bottom support 10. In this process, the position of the inclined pull assembly 41 can be adaptively adjusted along the length direction of the car bottom support 10 by adjusting the position of the positioning frame 411 on the straight beam column body, so as to facilitate the adjustment of the installation position of the car bottom support 10 on the straight beam column body 20. Here, the inclined pull rod 412 can be connected to the positioning frame 411 and the positioning slide block 413 in a hinged manner.

[0057] As shown in Figure 2 , Figure 5 and Figure 6As shown in the embodiment, the straight beam column body 20 is provided with a first positioning slide 22 extending along the axial direction of the straight beam column body 20; wherein the cable-stayed assembly 41 further comprises a track vehicle 414, the track vehicle 414 is in sliding connection with the first positioning slide 22 and is connected with the positioning frame 411, and the positioning frame 411 can be moved along the extension direction of the first positioning slide 22 under the driving of the track vehicle 414. That is, in this embodiment, the elevator car 100 can use the track vehicle 414 to realize the position adjustment of the positioning frame 411 on the straight beam column body 20, which can facilitate the installation and debugging of the elevator car 100, and has the purpose of improving the work efficiency of the installation personnel. Here, the positioning frame 411 is installed on the part of the track vehicle 414 extending out of the first positioning slide 22. It should be noted that the track vehicle 414 can be matched with the first positioning slide 22 through a sliding block or a roller structure, so as to realize the movement of the positioning frame 411 on the first positioning slide 22 driven by the track vehicle 414.

[0058] As shown in the embodiment, Figure 5 , Figure 6 In this embodiment, the two sides of the first positioning slide 22 are respectively arranged with positioning groove structures, the positioning groove structures comprise a plurality of positioning slots 221, and the plurality of positioning slots 221 are arranged axially along the straight beam column body 20 to form the positioning groove structures; correspondingly, the track vehicle 414 is telescopically installed with a plurality of bolt assemblies, the bolt assemblies are arranged on the two sides of the track vehicle 414 and correspondingly matched with the positioning groove structures arranged on the two sides of the first positioning slide 22, the bolt assemblies comprise a plurality of positioning bolts 415, the positioning bolts 415 are driven by a power mechanism (not shown) to extend out of the track vehicle 414, and are inserted and matched with the corresponding positioning slots 221, for locking the track vehicle 414 to the first positioning slide 22. That is, the track vehicle 414 can be locked on the first positioning slide 22 by the insertion and matching between the bolt assemblies on the left and right sides of the track vehicle 414 and the corresponding positioning slot structures on the first positioning slide 22, which can improve the stability of the track vehicle 414 when locked on the first positioning slide 22, and meet the support stability of the car bottom support 10, thereby improving the stability of the elevator car 100 structure. Here, the above-mentioned power mechanism can be specifically configured as a double-shaft oil cylinder. It should be noted that the power supply of the track vehicle 414 and the double-shaft oil cylinder during operation can be provided by the corresponding first power supply slide rail of the first positioning slide 22.

[0059] As shown in the embodiment, Figure 2 , Figure 4As shown in the figure, in an embodiment, the positioning sliding block 413 is slidingly mounted in the car bottom support 10; wherein a plurality of guide sliding rods 11 are mounted in the car bottom support 10, and are sequentially and spacedly arranged along the width direction of the car bottom support 10, and are respectively slidingly matched with the positioning sliding block 413 in the length direction of the car bottom support 10. That is, the car bottom support 10 can guide the sliding of the positioning sliding block 413 on the car bottom support 10 by the guide sliding rods 11, so as to improve the stability of the sliding of the positioning sliding block 413 on the car bottom support 10. Here, a connecting screw rod 12 is also rotatably mounted in the car bottom support 10, and is arranged through and screwed with the positioning sliding block 413, so that the inclined pull assembly 41 can drive the sliding of the positioning sliding block 413 in the car bottom support 10 by the rotation trend of the connecting screw rod 12 in the car bottom support 10.

[0060] As shown in the figure, Figure 2 , Figure 5 As shown in the figure, in this embodiment, the two inclined pull mechanisms 40 are arranged on the two symmetrical sides of the car bottom support 10 in the width direction of the car bottom support 10, and the positioning sliding blocks 413 in the two inclined pull assemblies 41 on the two symmetrical sides of the car bottom support 10 in the width direction are common, so as to simplify the structural composition of the two inclined pull mechanisms 40 and improve the consistency of the position adjustment between the two inclined pull mechanisms 40.

[0061] As shown in the figure, Figure 2 , Figure 4 and Figure 6 As shown in the figure, in an embodiment, the positioning sliding block 413 comprises a positioning connecting plate 4131, and the inclined pull rod 412 can be hinged with the positioning sliding block 413 through the positioning connecting plate 4131; wherein the positioning connecting plate 4131 is arranged on the outside of the car bottom support 10 and abuts against the car bottom support 10. So that the positioning sliding block 413 can use the abutment between the positioning connecting plate 4131 and the car bottom support 10 to guide and support the sliding of the positioning sliding block 413 in the car bottom support 10, so as to further limit the position of the positioning sliding block 413 on the car bottom support 10, avoid transverse displacement, provide a pressure dispersion point for the stress condition under different working conditions, so as to prevent the straight beam column body 20 from shaking or shifting during the operation of the elevator, and increase the stability of the structure of the elevator car frame 100. Here, the number of the positioning connecting plates 4131 is two, and the two positioning connecting plates 4131 are arranged at the two ends of the positioning sliding block 413.

[0062] In addition, the application also provides an elevator comprising the elevator car frame 100 described above.

[0063] Any technical features of the above embodiments can be combined, and for the sake of brevity, not all possible combinations are described, however, any combination of the technical features is considered to be within the scope of the present disclosure.

[0064] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not used as a limitation of the present application, and any appropriate changes and variations to the above embodiments within the spirit and principles of the present application are within the scope of the present application.

Claims

1. An elevator car characterized in that, The elevator car frame (100) comprises: a car bottom support (10); a plurality of straight beam column bodies (20) arranged on both sides of the car bottom support (10) in the width direction of the car bottom support (10), the mounting position of the straight beam column body (20) between the straight beam column body (20) in the height direction and the car bottom support (10) being adjustable; a lower beam (30) arranged below the car bottom support (10), the lower beam (30) being detachably connected to a plurality of straight beam column bodies (20); a plurality of diagonal pull mechanisms (40) corresponding to a plurality of straight beam column bodies (20), the diagonal pull mechanism (40) comprising two diagonal pull assemblies (41), the two diagonal pull assemblies (41) being arranged on both sides of the corresponding straight beam column body (20) in the length direction of the car bottom support (10) and being movably connected to the car bottom support (10) and the corresponding straight beam column body (20) respectively.

2. The elevator car of claim 1, wherein, The diagonal pull assembly (41) comprises a positioning frame (411), a diagonal pull rod (412) and a positioning sliding block (413), the positioning frame (411) being slidably connected to the corresponding straight beam column body (20), and the mounting position of the positioning frame (411) on the straight beam column body (20) being adjustable; the positioning sliding block (413) being slidably connected to the car bottom support (10), and the positioning sliding block (413) and the positioning frame (411) being connected through the diagonal pull rod (412).

3. The elevator car of claim 2, wherein, The straight beam column body (20) is provided with a first positioning sliding groove (22) extending in the axial direction of the straight beam column body (20); The diagonal pull assembly (41) further comprises a track vehicle (414), the track vehicle (414) being slidably connected to the first positioning sliding groove (22) and connected to the positioning frame (411), and the positioning frame (411) being capable of moving along the extension direction of the first positioning sliding groove (22) under the driving of the track vehicle (414).

4. The elevator car of claim 3, wherein, Both sides of the first positioning sliding groove (22) are respectively arranged with a positioning groove structure, the positioning groove structure comprising a plurality of positioning insertion grooves (221), the plurality of positioning insertion grooves (221) being arranged in the axial direction of the straight beam column body (20) to form the positioning groove structure; The track vehicle (414) is telescopically provided with a plurality of bolt assemblies, the bolt assemblies being arranged on both sides of the track vehicle (414) and corresponding to the positioning groove structures arranged on both sides of the first positioning sliding groove (22), the bolt assembly comprising a plurality of positioning bolts (415), the positioning bolts (415) being driven by a power mechanism to extend out of the track vehicle (414) and being inserted into the corresponding positioning insertion grooves (221) for locking the track vehicle (414) to the first positioning sliding groove (22).

5. The elevator car frame of claim 2, wherein, The positioning sliding block (413) is slidably mounted in the car bottom support (10); The plurality of guide sliding rods (11) are arranged in sequence and at intervals along the width direction of the car bottom support (10), and are respectively in sliding fit with the positioning sliding block (413) in the length direction of the car bottom support (10).

6. The elevator car of claim 2, wherein, The positioning sliding block (413) comprises a positioning connecting plate (4131), and the inclined pull rod (412) is hinged to the positioning sliding block (413) through the positioning connecting plate (4131). The positioning connecting plate (4131) is arranged on the outer side of the car bottom support (10) and abuts against the car bottom support (10).

7. The elevator car of claim 1, wherein, The lower beam (30) is arranged between the two straight beam column bodies (20) in the width direction of the car bottom support (10) and is in sliding connection with the two straight beam column bodies (20) respectively. The two ends of the lower beam (30) are telescopically provided with plug rods (31), the plug rods (31) are in plug fit with the corresponding two straight beam column bodies (20), and the lower beam (30) is limited to the corresponding two straight beam column bodies (20) in this way.

8. The elevator car of claim 7, wherein, The straight beam column body (20) is provided with a second positioning sliding channel (21), and the lower beam (30) is in sliding connection with the straight beam column body (20) through the second positioning sliding channel (21). The second positioning sliding channel (21) is provided with a plurality of positioning plug holes (211) arranged in sequence and at intervals along the height direction of the straight beam column body (20), and the plug rod (31) is in plug fit with the corresponding positioning plug hole (211).

9. The elevator car of claim 8, wherein, The lower beam (30) is provided with a telescopic driving member, the plug rod (31) is in transmission connection with the telescopic driving member, and the plug rod (31) can make telescopic movement relative to the lower beam under the driving of the telescopic driving member.

10. An elevator characterized by The elevator car (100) comprises the elevator car (100) according to any one of claims 1 to 9.

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