Guide rail type elevator with inclination-adjustable lifting platform
By introducing hydraulic cylinder adjustment components and hinge connection structures into the rail-type elevator, the problem of cargo pushing and transport obstruction caused by the tilt of the lift platform is solved, and smooth connection and pushing and transport efficiency of the car bottom plate are achieved.
Patent Information
- Application Number
- CN202421118053.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The tilt problem of existing rail-type elevator lift platform leads to uneven surfaces and floors, and cargoes are easily blocked when transporting, and there is a lack of effective adjustment methods.
A lifting platform including hydraulic cylinder adjustment assembly is designed. Through the hinge connection structure and guide rail sliding bracket, the inclination angle adjustment of the car floor is realized to ensure smooth connection with the ground. The guide wheel and buffer cylinder are used to improve the pushing efficiency and stability.
The adjustability of the inclination of the lifting platform is achieved, which avoids the obstacles in the pushing of goods, improves the ease of use of equipment and the pushing efficiency, and ensures smooth cargo transmission.
Smart Images
Figure CN222249649U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guide rail lifts, in particular to a guide rail lift with an adjustable inclination of a lifting platform. Background Art
[0002] The rail-type elevator is a non-scissor-type hydraulic lifting mechanical equipment, which is used for transporting cargo between the second and third floor industrial factories, restaurants, and hotels. The minimum height is 150-300mm, which is especially suitable for workplaces where pits cannot be excavated. It does not require upper hanging points and has a variety of forms (single column, double column, four columns). The equipment runs smoothly. The guide rails of the rail-type elevator are generally made of channel steel, I-beam, and square tube welding. It is simple and reliable to operate, and cargo transportation is economical and convenient.
[0003] However, the table tops of the existing rail-type elevators are perpendicular to the rails. Since the elevator frame is prone to tilt during the construction process or after long-term use, the table top of the lift cannot be kept flush with the floor surface, and the goods are easily obstructed during return transportation. Therefore, it is necessary to improve it. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a guide rail elevator with adjustable inclination of the lift platform, which is capable of adjusting the inclination angle of the lift platform surface as needed, so as to maintain a smooth fit between the lift platform surface and the ground surface when the goods are pushed into or out of the lift platform, avoid obstruction, and improve the usability of the lift equipment.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a guide rail elevator with adjustable lifting platform inclination, including a main frame and a lifting surface car, guide rails are respectively provided on both sides of the main frame, an entrance is provided at the bottom of the outer side of the main frame, and an exit is provided at the middle and upper part of the inner side, and car openings are respectively provided on both sides of the lifting surface car, the lifting surface car is respectively parked at the entrance and the exit, and the car openings are respectively connected and coordinated with the corresponding entrance and exit, the lifting surface car includes a car bracket and a car floor, the car bracket is slidably installed on the guide rail, the bottom of the car bracket is provided with a base frame, the car floor is assembled on the base frame, and a hinged connection structure is provided between the car floor and the base frame; the four corners of the base frame are respectively provided with hydraulic cylinder adjustment components, the hydraulic cylinder adjustment components include an adjusting cylinder, a horizontal connecting rod and a vertical connecting rod, and the adjusting cylinder is fixedly installed on the base frame; the horizontal connecting rod is fixedly connected to the end of the piston rod of the adjusting cylinder; one end of the vertical connecting rod is hinged to the car floor, and the other end is hinged to the horizontal connecting rod.
[0006] In a further technical solution, a support seat is provided on each side of the base frame, and the support seat is provided with a bearing; a connecting shaft is passed through the middle position of the car floor, and both ends of the connecting shaft are respectively connected to the bearings of the corresponding support seats. With the connecting shaft as the rotation axis, the car floor is movably rotated and tilted toward the entrance or exit.
[0007] In a further technical solution, the bottom edges of the front and rear sides of the car floor are provided with chamfered surface structures.
[0008] In a further technical solution, distance sensors are respectively provided on the front and rear sides of the chassis, and the distance sensors are triggered to cooperate with the chamfered surface structure.
[0009] In a further technical solution, assembly seats are respectively provided on both sides of the car support, and the assembly seats are provided with guide wheels, and the guide wheels are rollingly connected to the guide rails.
[0010] In a further technical solution, the main frame is provided with a lifting drive structure, which includes a wire rope reel, a traction motor and a weight block. The traction motor is fixedly installed on the top of the main frame and is transmission-connected to the wire rope reel; the weight block is slidably installed on the side of the main frame; the wire rope reel is rotatably installed on the top of the main frame, and a steel cable is wound around the wire rope reel, one end of the steel cable is connected to the lifting surface car, and the other end is connected to the weight block.
[0011] In a further technical solution, a buffer cylinder is provided on the top of the main frame, and a polymer buffer abutment head is provided at the end of the piston rod of the buffer cylinder, and the polymer buffer abutment head cooperates with the movable abutment of the lifting surface car.
[0012] After adopting the above structure, the advantages of the utility model compared with the prior art are: the utility model provides a guide rail elevator with an adjustable lifting platform inclination, and the inclination angle of the hinged car floor is adjusted by a hydraulic cylinder to ensure a smooth connection and cooperation between the car floor and the floor surface, avoiding obstruction when pushing goods into or out of the lifting platform, thereby improving the usability of the elevator equipment; when pushing heavier goods, the car floor can be set to tilt toward the exit, which is convenient for pushing and starting, and further improving the pushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0014] Figure 1 It is a structural schematic diagram of the utility model.
[0015] Figure 2 It is a structural schematic diagram of the lifting surface car in the utility model.
[0016] Figure 3 It is a cross-sectional schematic diagram of the lifting surface car in the utility model. DETAILED DESCRIPTION
[0017] The following are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention.
[0018] like Figures 1 to 3 As shown, a guide rail type elevator with adjustable lifting platform inclination includes a main frame 1 and a lifting surface car 2. Guide rails 14 are respectively provided on both sides of the main frame 1. An entrance 11 is provided at the bottom of the outer side of the main frame 1, and an exit 12 is provided at the middle and upper part of the inner side. Car openings are respectively provided on both sides of the lifting surface car 2. The lifting surface car 2 is parked at the entrance 11 and the exit 12, and the car openings are respectively connected and matched with the corresponding entrance 11 and the exit 12. The lifting surface car 2 includes a car bracket 21 and a car bottom plate 22. The car bracket 21 is slidably installed. A base frame 20 is provided at the bottom of the guide rail 14 and the car support 21, and a car floor plate 22 is assembled on the base frame 20, and a hinged connection structure is provided between the car floor plate 22 and the base frame 20; hydraulic cylinder adjustment components are respectively provided at the four corners of the base frame 20, and the hydraulic cylinder adjustment components include an adjusting cylinder 23, a horizontal connecting rod 231 and a vertical connecting rod 232, and the adjusting cylinder 23 is fixedly installed on the base frame 20; the horizontal connecting rod 231 is fixedly connected to the end of the piston rod of the adjusting cylinder 23; one end of the vertical connecting rod 232 is hinged to the car floor plate 22, and the other end is hinged to the horizontal connecting rod 231.
[0019] The hinged connection structure at the bottom of the car floor 22 in the present embodiment adopts a pivot structure, which specifically includes a support seat 221 and a connecting shaft 222. A support seat 221 is respectively provided on both sides of the base frame 20, and the support seat 221 is provided with a bearing; a connecting shaft 222 is passed through the middle position of the car floor 22, and both ends of the connecting shaft 222 are respectively connected to the bearings of the corresponding support seats 221. With the connecting shaft 222 as the rotation axis, the car floor 22 is movably rotated and tilted toward the direction of the entrance 11 or the exit 12.
[0020] In actual applications, the operator can adjust the tilt angle of the car floor 22 according to needs to smoothly connect it to the floor surface; the operator can also increase the tilt angle of the car floor 22 when the goods are exiting to assist in pushing out heavy goods.
[0021] The inclination angle of the hinged car floor 22 is adjusted by a hydraulic cylinder to ensure smooth connection between the car floor 22 and the floor surface, avoid obstruction when pushing goods into or out of the lifting platform, and improve the usability of the lifting equipment.
[0022] When pushing heavier cargo, the car floor 22 can be set to be inclined toward the exit to facilitate pushing and starting, thereby further improving pushing efficiency.
[0023] Specifically, the bottom edges of the front and rear sides of the car floor 22 are provided with chamfered surface structures 223. When the car floor 22 is at the maximum tilt angle, the chamfered surface structure 223 abuts against the bottom frame 20 to improve the contact strength and prevent the car floor 22 from being deformed by heavy pressure.
[0024] Specifically, distance sensors 201 are respectively disposed on the front and rear sides of the base frame 20 , and the distance sensors 201 are triggered to cooperate with the chamfered surface structure 223 .
[0025] Specifically, assembly seats are respectively provided on both sides of the car support 21 , and the assembly seats are provided with guide wheels, which are rollingly connected to the guide rails 14 .
[0026] Specifically, the main frame 1 is provided with a lifting drive structure, which includes a wire rope reel, a traction motor 13 and a weight block 15. The traction motor 13 is fixedly installed on the top of the main frame 1 and is transmission-connected to the wire rope reel; the weight block 15 is slidably installed on the side of the main frame 1; the wire rope reel is rotatably installed on the top of the main frame 1, and the wire rope reel is wound with a steel cable, one end of the steel cable is connected to the lifting surface car 2, and the other end is connected to the weight block 15.
[0027] Specifically, a buffer cylinder 16 is provided on the top of the main frame 1, and a polymer buffer abutment head is provided at the end of the piston rod of the buffer cylinder 16, and the polymer buffer abutment head cooperates with the lifting surface car 2 to movably abut against the lifting surface car 2. It ensures that the lifting surface car 2 can brake smoothly when it rises to the floor, and avoids a large degree of vibration of the people or goods in the lifting surface car 2.
[0028] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.
Claims
1. A guide rail type elevator with adjustable lifting platform inclination, comprising a main frame (1) and a lifting surface car (2), wherein guide rails (14) are respectively arranged on both sides of the main frame (1), an entrance (11) is arranged at the bottom of the outer side of the main frame (1), and an exit (12) is arranged at the middle and upper part of the inner side, and car openings are respectively arranged on both sides of the lifting surface car (2), the lifting surface car (2) is parked at the entrance (11) and the exit (12), and the car openings are respectively connected and matched with the corresponding entrance (11) and the exit (12), wherein: The lift surface car (2) comprises a car support (21) and a car bottom plate (22), the car support (21) is slidably mounted on a guide rail (14), a bottom frame (20) is provided at the bottom of the car support (21), the car bottom plate (22) is mounted on the bottom frame (20), and a hinged connection structure is provided between the car bottom plate (22) and the bottom frame (20); The four corners of the base frame (20) are respectively provided with hydraulic cylinder adjustment assemblies, which include an adjustment cylinder (23), a transverse connecting rod (231) and a vertical connecting rod (232). The adjustment cylinder (23) is fixedly mounted on the base frame (20); the transverse connecting rod (231) is fixedly connected to the end of the piston rod of the adjustment cylinder (23); one end of the vertical connecting rod (232) is hinged to the car bottom plate (22), and the other end is hinged to the transverse connecting rod (231).
2. The guide rail lift with adjustable lifting platform inclination according to claim 1, characterized in that: A support seat (221) is respectively provided on both sides of the base frame (20), and the support seat (221) is provided with a bearing; a connecting shaft (222) is passed through the middle position of the car bottom plate (22), and the two ends of the connecting shaft (222) are respectively connected to the bearings of the corresponding support seat (221), and the car bottom plate (22) is movably rotated with the connecting shaft (222) as the rotation axis, and is inclined toward the direction of the entrance (11) or the exit (12).
3. The guide rail lift with adjustable lifting platform inclination according to claim 2, characterized in that: The bottom edges of the front and rear sides of the car bottom plate (22) are provided with chamfered surface structures (223).
4. The guide rail lift with adjustable lifting platform inclination according to claim 3, characterized in that: Distance sensors (201) are respectively provided on the front and rear sides of the base frame (20), and the distance sensors (201) are triggered to cooperate with the chamfered surface structure (223).
5. The guide rail lift with adjustable lifting platform inclination according to claim 4, characterized in that: The two sides of the car support (21) are respectively provided with assembly seats, and the assembly seats are provided with guide wheels, and the guide wheels are rollingly connected to the guide rails (14).
6. The guide rail lift with adjustable lifting platform inclination according to claim 1, characterized in that: The main frame (1) is provided with a lifting drive structure, which comprises a wire rope reel, a traction motor (13) and a load block (15), wherein the traction motor (13) is fixedly mounted on the top of the main frame (1) and is transmission-connected to the wire rope reel; the load block (15) is slidably mounted on the side of the main frame (1); the wire rope reel is rotatably mounted on the top of the main frame (1), and a steel cable is wound around the wire rope reel, one end of the steel cable is connected to the lifting surface car (2), and the other end is connected to the load block (15).
7. The guide rail lift with adjustable lifting platform inclination according to claim 6, characterized in that: A buffer cylinder (16) is provided on the top of the main frame (1), and a polymer buffer abutment head is provided at the end of the piston rod of the buffer cylinder (16), and the polymer buffer abutment head is movably abutted with the lifting surface car (2).