Movable trolley frame

By introducing the design of drive motor and telescopic cylinder into the trolley frame, the functions of automatic walking and external power walking are realized, which solves the problem that the existing trolley frame cannot walk when the rollers are damaged, and improves stability and ensures that The reliability of the trolley frame in different situations.

CN222164096UActive Publication Date: 2024-12-13SHANDONG AOTE ENGINEERING MACHINERY CO LTD
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Patent Information

Application Number
CN202421009073.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-10
Publication Date
2024-12-13
Estimated Expiration
2034-05-10

AI Technical Summary

Technical Problem

The existing movable trolley frame cannot walk automatically when the roller structure is damaged, and the stability is poor, which affects the user experience.

Method used

A trolley frame including a base, frame, mounting seat, rotary shaft, side plate, drive motor and telescopic cylinder is designed. The drive motor drives the wheels to rotate and move the side plates, realizes automatic walking, and passes through the outside when the structure is damaged. Power enables the frame to continue walking, preventing unnecessary rotation through the shaft defining mechanism.

Benefits of technology

It realizes the function of the trolley frame being able to walk under both automatic walking and external power, improves stability and convenience of use, and ensures the reliability of the trolley frame in different situations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of trolleys, and discloses a movable trolley frame which comprises a base, a frame body is arranged at the top end of the base, four mounting seats are arranged at the bottom end of the base, a rotating shaft is rotationally arranged between every two mounting seats located on the same Y axis, wheels are arranged at the two ends of each rotating shaft, and the wheels are arranged on the frame body. A side plate is arranged on one side of the base, two connecting shafts located on the same Y axis with the rotating shaft are rotationally arranged at the bottom of the side plate, and a rotating shaft limiting mechanism for limiting the rotating shaft to rotate is arranged below the base; the driving motor I can synchronously drive the two connecting shafts clamped with the rotating shaft to rotate, so that the wheels are controlled to automatically rotate, the trolley frame automatically walks, the side plates can be controlled to move through the telescopic cylinders, the connecting shafts can be separated from the rotating shaft, and the trolley frame automatically walks. Therefore, when the walking structure is damaged, walking of the trolley frame can be achieved through external power.
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Description

Technical Field

[0001] The utility model relates to the technical field of trolleys, in particular to a movable trolley frame. Background Art

[0002] The trolley, full name of lining trolley, is mainly used for tunnel, diversion tunnel, and secondary lining concrete pouring. The trolley is divided into two structures: one is the walking type and the other is the needle beam type. The trolley is mainly composed of a gantry and a template. The gantry is mainly load-bearing, and the template is designed according to the shape of the tunnel. It has the advantages of automatic walking and hydraulic automatic positioning and demoulding;

[0003] The yoke is a structure that allows the yoke to move freely in a plurality of positions, and the yoke is a structure that allows the yoke to move freely in a plurality of positions, and the yoke is a structure that allows the yoke to move freely in a plurality of positions.

[0004] However, the above method still has the following defects in actual use: the roller structure provided can realize the automatic movement of the trolley frame, but when the roller structure is damaged and cannot move automatically, it is difficult to realize the movement of the trolley frame by external force. Utility Model Content

[0005] The utility model aims to provide a movable platform frame, which has the effect of being able to move automatically and also being able to move under the action of external power.

[0006] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a movable trolley frame, including a base, a frame body is provided at the top of the base, a mounting seat is provided at the bottom of the base, four mounting seats are arranged, a rotating shaft is rotatably provided between every two mounting seats located on the same Y-axis, wheels are provided at both ends of the rotating shaft, a side plate is provided on one side of the base, two connecting shafts located on the same Y-axis as the rotating shaft are rotatably provided at the bottom of the side plate, and the two connecting shafts are synchronously driven by a driving motor at the top of the side plate, and a rotating shaft limiting mechanism for limiting the rotation of the rotating shaft is provided under the base.

[0007] The utility model is further configured as follows: the rotating shaft limiting mechanism includes a second motor frame, a bidirectional screw and a threaded sleeve, the second motor frame is arranged at the bottom end of the base, the bottom end of the second motor frame is provided with two fixed plates, the bidirectional screw is rotatably arranged between the two fixed plates, two threaded sleeves are provided, the threaded sleeve is slidably connected to the bottom end of the base, the threaded sleeve is threadedly connected to the bidirectional screw, the surface of the threaded sleeve is provided with a mounting rod, the end of the mounting rod is provided with an arc-shaped limiting plate, and the inner side of the limiting plate is provided with a friction plate.

[0008] The utility model is further configured as follows: a driving motor 2 is provided at the bottom of the motor frame 2, a transmission shaft of the driving motor 2 passes through the motor frame 2 and is provided with a bevel gear 1, and a surface of the bidirectional screw is provided with a bevel gear 2 meshingly connected with the bevel gear 1.

[0009] The utility model is further configured as follows: a clamping groove is provided at one end of the rotating shaft, and a clamping block is provided at one end of the connecting shaft close to the clamping groove and is engaged with the clamping groove.

[0010] The utility model is further configured as follows: a fixing rod is provided at the top of the threaded sleeve, a sliding block is provided at the top of the fixing rod, and two sliding grooves slidably connected to the sliding block are provided at the bottom end of the base.

[0011] The utility model is further configured as follows: two mounting plates are provided at the bottom end of the base, a telescopic cylinder is provided on one side of the mounting plate away from the side plate, and a telescopic end of the telescopic cylinder penetrates the mounting plate and is connected to the side wall of the side plate.

[0012] The utility model is further configured as follows: a pulley 1 is provided at one end of the connecting shaft away from the slot, a transmission rod is rotatably provided at the top of the outer side of the side plate, a pulley 2 is provided at one end of the transmission rod away from the side plate, and a transmission belt is connected between the pulley 1 and the pulley 2.

[0013] The utility model is further configured as follows: a motor frame 1 is provided on the top of one side of the side plate, the drive motor 2 is arranged on one side of the motor frame 1, and a transmission shaft of the drive motor 2 passes through the motor frame 1 and is connected to one end of a transmission rod.

[0014] In summary, the utility model has the following beneficial effects: the utility model can synchronously drive the two connecting shafts engaged with the rotating shaft to rotate through the drive motor provided, thereby controlling the automatic rotation of the wheels and realizing the automatic walking of the trolley frame, and the side plates can be controlled to move through the telescopic cylinder provided, so that the connecting shaft can be separated from the rotating shaft, so that the walking of the trolley frame can be realized by external force when the walking structure is damaged, and at the same time, the rotating shaft can be controlled to rotate through the rotating shaft limiting mechanism provided, so that the trolley frame will not move when it is not moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is one of the three-dimensional structural schematic diagrams of the utility model;

[0016] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is one of the partial structural schematic diagrams of the utility model;

[0018] Figure 4 This is the second schematic diagram of the partial structure of the utility model;

[0019] Figure 5 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0020] In the figure: 1, base; 101, frame; 2, mounting seat; 201, rotating shaft; 202, slot; 203, wheel; 3, side plate; 301, mounting plate; 302, telescopic cylinder; 303, connecting shaft; 304, block; 305, pulley 1; 306, transmission rod; 307, pulley 2; 308, transmission belt; 309, drive motor 1; 3010, motor frame 1; 4, rotating shaft limiting mechanism; 401, motor frame 2; 402, drive motor 2; 403, bevel gear 1; 404, fixing plate; 405, bidirectional screw rod; 406, bevel gear 2; 407, threaded sleeve; 408, mounting rod; 409, limit plate; 4010, friction plate; 4011, fixing rod; 4012, slider; 4013, slide groove. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] See also Figures 1 to 5 In the embodiment of the utility model, a movable trolley frame includes a base 1, a frame body 101 is provided at the top of the base 1, a mounting seat 2 is provided at the bottom of the base 1, and four mounting seats 2 are provided. A rotating shaft 201 is rotatably provided between every two mounting seats 2 located on the same Y axis, and wheels 203 are provided at both ends of the rotating shaft 201. The trolley frame can be moved by rotating the wheels 203. A side plate 3 is provided on one side of the base 1, and two connecting shafts 303 located on the same Y axis as the rotating shaft 201 are rotatably provided at the bottom of the side plate 3, and the two connecting shafts 303 are synchronously driven by a driving motor 309 at the top of the side plate 3. When the connecting shaft 303 is engaged with the rotating shaft 201, the rotating shaft 201 can be synchronously driven to rotate. A rotating shaft limiting mechanism 4 for limiting the rotation of the rotating shaft 201 is provided below the base 1 to prevent the rotating shaft 201 from rotating when the trolley frame is not moving;

[0023] In this embodiment, preferably, a slot 202 is provided at one end of the rotating shaft 201, and a block 304 engaging with the slot 202 is provided at one end of the connecting shaft 303 close to the slot 202, so that the rotating shaft 201 can be driven to rotate when the connecting shaft 303 rotates through the engagement between the block 304 and the slot 202;

[0024] In this embodiment, preferably, two mounting plates 301 are provided at the bottom end of the base 1, and a telescopic cylinder 302 is provided on one side of the mounting plate 301 away from the side plate 3. The telescopic end of the telescopic cylinder 302 penetrates the mounting plate 301 and is connected to the side wall of the side plate 3. The side plate 3 can be driven to move by the telescopic end of the telescopic cylinder 302.

[0025] In this embodiment, preferably, a pulley 305 is provided at one end of the connecting shaft 303 away from the card slot 202, a transmission rod 306 is rotatably provided at the top of the outer side of the side plate 3, a pulley 307 is provided at one end of the transmission rod 306 away from the side plate 3, and a transmission belt 308 is connected between the pulley 305 and the pulley 307, so that when the transmission rod 306 rotates, the two connecting shafts 303 can be synchronously driven to rotate;

[0026] In this embodiment, preferably, a motor frame 3010 is provided on the top of one side of the side plate 3, a driving motor 309 is provided on one side of the motor frame 3010, and a transmission shaft of the driving motor 309 passes through the motor frame 3010 and is connected to one end of the transmission rod 306, so that the transmission rod 306 can be driven to rotate by the provided driving motor 309;

[0027] In this embodiment, preferably, the shaft limiting mechanism 4 includes a motor frame 401, a bidirectional screw 405 and a threaded sleeve 407. The motor frame 401 is arranged at the bottom end of the base 1. The bottom end of the motor frame 401 is provided with two fixed plates 404. The bidirectional screw 405 is rotatably arranged between the two fixed plates 404. The wire grooves at both ends of the bidirectional screw 405 are in opposite directions. There are two threaded sleeves 407, which are slidably connected to the bottom end of the base 1. The threaded sleeve 407 is threaded with the bidirectional screw 405. The surface of the threaded sleeve 407 is provided with a mounting rod 408, the end of the mounting rod 408 is provided with an arc-shaped limit plate 409, and the inner side of the limit plate 409 is provided with a friction plate 4010. When the bidirectional screw rod 405 rotates, the bidirectional screw rod 405 is threadedly connected with the threaded sleeve 407, thereby driving the two threaded sleeves 407 to move synchronously in the direction close to the rotating shaft 201, so that the friction plate 4010 on the inner side of the limit plate 409 is closely fitted with the surface of the rotating shaft 201 to prevent the rotating shaft 201 from rotating;

[0028] In this embodiment, preferably, a driving motor 2 402 is provided at the bottom of the motor frame 2 401, a transmission shaft of the driving motor 2 402 passes through the motor frame 2 401 and is installed with a bevel gear 1 403, a bevel gear 2 406 meshingly connected with the bevel gear 1 403 is provided on the surface of the bidirectional screw 405, the bevel gear 1 403 is driven to rotate by the driving motor 2 402, and the bidirectional screw 405 is driven to rotate under the meshing cooperation of the bevel gear 1 403 and the bevel gear 2 406;

[0029] In this embodiment, preferably, a fixing rod 4011 is provided at the top of the threaded sleeve 407, a slider 4012 is provided at the top of the fixing rod 4011, and two sliding grooves 4013 slidably connected to the slider 4012 are provided at the bottom end of the base 1. The sliding cooperation between the sliding grooves 4013 and the slider 4012 can guide the movement of the threaded sleeve 407.

[0030] When in use, when the trolley frame needs to move automatically, the telescopic end of the telescopic cylinder 302 is controlled to contract and drive the side plate 3 to move in the direction close to the base 1, so that the block 304 of the connecting shaft 303 is engaged with the slot 202 of the rotating shaft 201, and then the driving motor 1 309 is started, and the transmission shaft of the driving motor 1 309 rotates to drive the transmission rod 306 to rotate, thereby driving the pulley 2 307 to rotate, and driving the connecting shaft 303 to rotate under the transmission cooperation of the transmission belt 308, thereby driving the rotating shaft 201 to rotate, and then driving the wheel 203 to rotate, so as to realize the automatic walking of the trolley frame. When the walking structure is damaged and cannot be automatically walked, the telescopic end of the telescopic cylinder 302 is controlled to extend and drive the side plate 3 to move in the direction away from the base 1, so that the block 304 is separated from the slot 202, and the trolley frame can be driven to walk by external power;

[0031] When the trolley frame does not need to move, start the driving motor 2 402, which drives the bevel gear 1 403 to rotate, and the two-way screw rod 405 is driven to rotate under the meshing cooperation of the bevel gear 1 403 and the bevel gear 2 406. The two-way screw rod 405 is threadedly connected with the threaded sleeve 407, and the two threaded sleeves 407 are driven to move synchronously in the direction close to the rotating shaft 201 under the sliding cooperation of the slider 4012 and the slide groove 4013, so that the friction plate 4010 on the inner side of the limit plate 409 is tightly fitted with the surface of the rotating shaft 201, preventing the rotating shaft 201 from rotating, thereby preventing the wheel 203 from rotating.

[0032] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A movable trolley frame, comprising a base (1), a frame body (101) being provided at the top of the base (1), characterized in that: A mounting seat (2) is provided at the bottom end of the base (1), and four mounting seats (2) are provided. A rotating shaft (201) is rotatably provided between every two mounting seats (2) located on the same Y axis, and wheels (203) are provided at both ends of the rotating shaft (201). A side plate (3) is provided on one side of the base (1), and two connecting shafts (303) located on the same Y axis as the rotating shaft (201) are rotatably provided at the bottom of the side plate (3), and the two connecting shafts (303) are synchronously driven by a driving motor (309) at the top of the side plate (3). A rotating shaft limiting mechanism (4) for limiting the rotation of the rotating shaft (201) is provided below the base (1).

2. The movable platform frame according to claim 1, characterized in that: The rotating shaft limiting mechanism (4) comprises a second motor frame (401), a bidirectional screw rod (405) and a threaded sleeve (407); the second motor frame (401) is arranged at the bottom end of the base (1); two fixing plates (404) are arranged at the bottom end of the second motor frame (401); the bidirectional screw rod (405) is rotatably arranged between the two fixing plates (404); two threaded sleeves (407) are arranged; the threaded sleeve (407) is slidably connected to the bottom end of the base (1); the threaded sleeve (407) is threadedly connected to the bidirectional screw rod (405); a mounting rod (408) is arranged on the surface of the threaded sleeve (407); an arc-shaped limiting plate (409) is arranged at the end of the limiting plate (409); a friction plate (4010) is arranged on the inner side of the limiting plate (409).

3. The movable platform frame according to claim 2, characterized in that: A driving motor 2 (402) is provided at the bottom of the motor frame 2 (401), a transmission shaft of the driving motor 2 (402) passes through the motor frame 2 (401) and is installed with a bevel gear 1 (403), and a surface of the bidirectional screw rod (405) is provided with a bevel gear 2 (406) meshingly connected with the bevel gear 1 (403).

4. The movable platform frame according to claim 1, characterized in that: One end of the rotating shaft (201) is provided with a slot (202), and one end of the connecting shaft (303) close to the slot (202) is provided with a block (304) that engages with the slot (202).

5. The movable platform frame according to claim 2, characterized in that: A fixing rod (4011) is provided at the top of the threaded sleeve (407), a sliding block (4012) is provided at the top of the fixing rod (4011), and two sliding grooves (4013) slidably connected to the sliding block (4012) are provided at the bottom end of the base (1).

6. The movable platform frame according to claim 1, characterized in that: Two mounting plates (301) are provided at the bottom end of the base (1); a telescopic cylinder (302) is provided on the side of the mounting plate (301) away from the side plate (3); and the telescopic end of the telescopic cylinder (302) passes through the mounting plate (301) and is connected to the side wall of the side plate (3).

7. The movable platform frame according to claim 4, characterized in that: A pulley 1 (305) is provided at one end of the connecting shaft (303) away from the slot (202), a transmission rod (306) is rotatably provided at the top of the outer side of the side plate (3), a pulley 2 (307) is provided at one end of the transmission rod (306) away from the side plate (3), and a transmission belt (308) is connected between the pulley 1 (305) and the pulley 2 (307) for transmission.

8. The movable platform frame according to claim 7, characterized in that: A motor frame (3010) is provided at the top of one side of the side plate (3), and the drive motor (309) is arranged on one side of the motor frame (3010), and a transmission shaft of the drive motor (309) passes through the motor frame (3010) and is connected to one end of the transmission rod (306).