Rigid arm pallet fork crane
By installing distance measurement and pressure sensors and alarm systems in the crane to detect and warn the overload of the wire rope, the problem of safety hazards of wire rope breakage is solved, and the safety and stability of the rigid arm fork crane is improved.
Patent Information
- Application Number
- CN202421155419.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing rigid arm fork cranes cannot detect the status of the wire rope, which may cause the wire rope to break when the cargo is too heavy, reducing safety.
Install distance measuring sensors and pressure sensors in the crane to detect the height and stress of the wire rope through the controller. If the set value exceeds the setting value, the alarm indicator light and buzzer alarm will be triggered to remind the staff to avoid the wire rope breaking.
The wire rope status is realized at all times, which improves safety and practicality, and enhances the stability of the crane through the fixing mechanism.
Smart Images

Figure CN222348540U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to a rigid arm fork crane. Background Art
[0002] A bridge crane is a type of lifting equipment that is horizontally mounted above workshops, warehouses and material yards to lift materials. Because its two ends are located on tall concrete columns or metal supports, its shape is like a bridge. The bridge of the bridge crane runs longitudinally along the tracks laid on the elevated platforms on both sides. The space under the bridge can be fully utilized to lift materials without being hindered by ground equipment. It is the most widely used and largest number of lifting machinery.
[0003] The existing CN220056113U patent document proposes a rigid arm forklift, including a factory building, a bridge frame is connected to the factory building for sliding left and right, a trolley is connected to the bridge frame for sliding front and back, the trolley includes a trolley frame, a lifting mechanism, a running mechanism, a hook group and a wire rope, a derrick is fixed at the lower end of the trolley frame, a base is provided in the derrick, a frame is fixed on the base, the hook group cooperates with the frame, a plurality of first telescopic arms that slide back and forth are provided on the base, and a second telescopic arm that slides back and forth is provided above the first telescopic arm.
[0004] However, since the prior art patent technology with publication number CN220056113U cannot detect the state of the wire rope when in use, the wire rope may break due to excessive weight of the cargo, thereby reducing safety. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] The utility model aims to provide a rigid arm forklift to solve the problem in the background technology that the state of the wire rope cannot be detected, the wire rope may be broken due to excessive weight of the cargo, and the safety is reduced.
[0007] (II) Technical solution
[0008] To achieve the above object, the utility model provides the following technical solutions: a rigid arm forklift, comprising a main body mechanism and a fixing mechanism, wherein the fixing mechanism is located at the lower end of the main body mechanism, the main body mechanism comprises a frame, a slide rail and a traction machine, wherein the slide rail is fixedly mounted at the right end of the frame, and the traction machine is movably mounted at the right end of the slide rail;
[0009] Preferably, the main structure also includes a frame, a trolley, a lifting component, a pressure sensor, a distance measuring sensor, a controller, an alarm indicator light and a buzzer alarm. The frame is fixedly mounted on the right end of the traction machine, the trolley is movably mounted on the lower end of the frame, the lifting component is fixedly mounted on the lower end of the trolley, the pressure sensor is fixedly mounted on the upper end of the lifting component, the distance measuring sensor is fixedly mounted on the right end of the frame, the controller is fixedly mounted on the upper end of the trolley, the alarm indicator light is fixedly mounted on the upper end of the controller, and the buzzer alarm is fixedly mounted in front of the alarm indicator light. During the use of the crane, the height of the lifted cargo can be detected by the distance measuring sensor, and the pressure on the wire rope can be detected by the pressure sensor arranged on the lifting hook and the signal is transmitted to the controller. When the pressure exceeds the set value, the controller controls the alarm indicator light to flash and the buzzer alarm to emit a buzzer alarm sound, thereby reminding the staff. The crane can detect the status of the wire rope at all times to avoid safety hazards caused by wire rope breakage, thereby improving safety.
[0010] Preferably, the lifting assembly includes a lifting motor, a winding wheel, a wire rope and a lifting hook, and the lifting motor is fixedly mounted on the lower end of the trolley.
[0011] Preferably, the winding wheel is fixedly connected to the front end of the lifting motor, the wire rope is fixedly connected to the outer end of the winding wheel, and the lifting hook is fixedly installed on the lower end of the wire rope. When in use, the lifting hook can be hung on the cargo, and then the lifting motor is started. The winding wheel is driven to rotate by the lifting motor, thereby winding the wire rope to lift the cargo.
[0012] Preferably, the fixing mechanism comprises a fixing base, a positioning hole, a bolt washer, a fixing bolt and a reinforcing rib, and the fixing base is fixedly mounted on the lower end of the frame.
[0013] Preferably, the positioning hole is fixedly arranged on the upper end of the fixed base, and the bolt washer is movably connected to the upper end of the positioning hole.
[0014] Preferably, the fixing bolt is movably connected to the upper end of the bolt washer, and the reinforcing rib is fixedly installed on the upper end of the fixed base. During installation, the crane can be firmly fixed in the factory building through the connection between the fixed base, the positioning hole, the bolt washer and the fixing bolt. The frame is made more stable by the setting of the reinforcing rib.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The rigid arm cargo fork crane, through the installation of the main mechanism, can detect the height of the lifted cargo through the distance measuring sensor during the use of the crane, and can detect the pressure of the wire rope through the pressure sensor arranged on the lifting hook and transmit the signal to the controller. When the pressure exceeds the set value, the controller controls the alarm indicator to flash and the buzzer alarm to sound a buzzer alarm, thereby reminding the staff. The crane can always detect the state of the wire rope to avoid safety hazards caused by wire rope breakage, thereby improving safety and the practicality of the rigid arm cargo fork crane;
[0017] 2. The rigid arm forklift crane, through the installation of the fixing mechanism, realizes the connection between the fixing base, the positioning holes, the bolt washers and the fixing bolts during installation, so that the crane can be firmly fixed in the factory building. By strengthening the setting of the rib plate, the frame is made more stable, thereby improving the stability of the rigid arm forklift crane. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 It is a schematic diagram of the structure of the main mechanism of the utility model;
[0020] Figure 3 This is an enlarged structural diagram of the main mechanism of the utility model;
[0021] Figure 4 It is an enlarged structural diagram of the fixing mechanism of the utility model.
[0022] In the figure: 1. main body; 101. frame; 102. slide rail; 103. traction machine; 104. frame; 105. trolley; 106. lifting assembly; 1061. lifting motor; 1062. winding wheel; 1063. wire rope; 1064. lifting hook; 107. pressure sensor; 108. distance sensor; 109. controller; 110. alarm indicator light; 111. buzzer alarm; 2. fixing mechanism; 201. fixing base; 202. positioning hole; 203. bolt washer; 204. fixing bolt; 205. reinforcing rib. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a rigid arm forklift, including a main body mechanism 1 and a fixing mechanism 2, the fixing mechanism 2 is located at the lower end of the main body mechanism 1, the main body mechanism 1 includes a frame 101, a slide rail 102 and a traction machine 103, the slide rail 102 is fixedly installed at the right end of the frame 101, and the traction machine 103 is movably installed at the right end of the slide rail 102.
[0025] The main structure 1 also includes a frame 104, a trolley 105, a lifting component 106, a pressure sensor 107, a distance sensor 108, a controller 109, an alarm indicator light 110 and a buzzer alarm 111. The frame 104 is fixedly mounted on the right end of the traction machine 103, the trolley 105 is movably mounted on the lower end of the frame 104, the lifting component 106 is fixedly mounted on the lower end of the trolley 105, the pressure sensor 107 is fixedly mounted on the upper end of the lifting component 106, the distance sensor 108 is fixedly mounted on the right end of the frame 101, the controller 109 is fixedly mounted on the upper end of the trolley 105, the alarm indicator light 110 is fixedly mounted on the upper end of the controller 109, and the buzzer alarm 111 is fixedly mounted in front of the alarm indicator light 110. The lifting component 106 includes a lifting motor 1061, a winding wheel 1062, a wire rope 1063 and a lifting hook 1064. The lifting motor 1061 is fixedly mounted on the trolley 105 The lower end of the winding wheel 1062 is fixedly connected to the front end of the lifting motor 1061, the wire rope 1063 is fixedly connected to the outer end of the winding wheel 1062, and the lifting hook 1064 is fixedly installed at the lower end of the wire rope 1063. When in use, the lifting hook 1064 can be hung on the cargo, and then the lifting motor 1061 is started, and the winding wheel 1062 is driven to rotate by the lifting motor 1061, so as to reel in the wire rope 1063 to lift the cargo, and the traction machine 103 can drive the cargo to move forward and backward, and the trolley 105 can drive the cargo to move left and right. The distance measuring sensor 108 can detect the height of the lifted cargo, and the pressure sensor 107 arranged on the lifting hook 1064 detects the pressure on the wire rope 1063 and transmits a signal to the controller 109. When the pressure exceeds the set value, the controller 109 controls the alarm indicator 110 to flash, and the buzzer alarm 111 emits a buzzer alarm sound, thereby reminding the staff.
[0026] The fixing mechanism 2 includes a fixing base 201, a positioning hole 202, a bolt washer 203, a fixing bolt 204 and a reinforcing rib 205. The fixing base 201 is fixedly installed at the lower end of the frame 101, the positioning hole 202 is fixedly arranged at the upper end of the fixing base 201, the bolt washer 203 is movably connected to the upper end of the positioning hole 202, the fixing bolt 204 is movably connected to the upper end of the bolt washer 203, and the reinforcing rib 205 is fixedly installed at the upper end of the fixing base 201. During installation, the crane can be firmly fixed in the factory building through the connection between the fixing base 201, the positioning hole 202, the bolt washer 203 and the fixing bolt 204. The frame 101 is made more stable by the arrangement of the reinforcing rib 205.
[0027] Working principle: During installation, the crane can be firmly fixed to the factory building by fixing the connection between the base 201, the positioning hole 202, the bolt washer 203 and the fixing bolt 204. The frame 101 can be made more stable by setting the reinforcing rib 205. When in use, the lifting hook 1064 can be hung on the cargo, and then the lifting motor 1061 is started. The winding wheel 1062 is driven to rotate by the lifting motor 1061, so as to wind up the wire rope 1063 and lift the cargo. The traction machine 103 can drive the cargo to move forward and backward, and the trolley 105 can drive the cargo to move left and right. The distance sensor 108 can detect the height of the lifted cargo, and the pressure sensor 107 arranged on the lifting hook 1064 detects the pressure on the wire rope 1063 and transmits a signal to the controller 109. When the pressure exceeds the set value, the controller 109 controls the alarm indicator 110 to flash, and the buzzer alarm 111 emits a buzzer alarm sound, thereby reminding the staff.
[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A rigid arm forklift, comprising a main body mechanism (1) and a fixing mechanism (2), characterized in that: The fixing mechanism (2) is located at the lower end of the main mechanism (1); the main mechanism (1) comprises a frame (101), a slide rail (102) and a traction machine (103); the slide rail (102) is fixedly mounted on the right end of the frame (101); and the traction machine (103) is movably mounted on the right end of the slide rail (102); The main body mechanism (1) further comprises a vehicle frame (104), a trolley (105), a lifting assembly (106), a pressure sensor (107), a distance sensor (108), a controller (109), an alarm indicator light (110) and a buzzer alarm (111); the vehicle frame (104) is fixedly mounted on the right end of the tractor (103); the trolley (105) is movably mounted on the lower end of the vehicle frame (104); the lifting assembly (106) is fixedly mounted on the lower end of the trolley (105); the pressure sensor (107) is fixedly mounted on the upper end of the lifting assembly (106); the distance sensor (108) is fixedly mounted on the right end of the frame (101); the controller (109) is fixedly mounted on the upper end of the trolley (105); the alarm indicator light (110) is fixedly mounted on the upper end of the controller (109); and the buzzer alarm (111) is fixedly mounted in front of the alarm indicator light (110).
2. A rigid arm forklift according to claim 1, characterized in that: The lifting assembly (106) comprises a lifting motor (1061), a winding wheel (1062), a steel wire rope (1063) and a lifting hook (1064); the lifting motor (1061) is fixedly mounted on the lower end of the trolley (105).
3. A rigid arm forklift according to claim 2, characterized in that: The winding wheel (1062) is fixedly connected to the front end of the lifting motor (1061), the steel wire rope (1063) is fixedly connected to the outer end of the winding wheel (1062), and the lifting hook (1064) is fixedly installed at the lower end of the steel wire rope (1063).
4. A rigid arm forklift according to claim 3, characterized in that: The fixing mechanism (2) comprises a fixing base (201), a positioning hole (202), a bolt washer (203), a fixing bolt (204) and a reinforcing rib (205); the fixing base (201) is fixedly mounted on the lower end of the frame (101).
5. A rigid arm forklift according to claim 4, characterized in that: The positioning hole (202) is fixedly arranged at the upper end of the fixed base (201), and the bolt washer (203) is movably connected to the upper end of the positioning hole (202).
6. A rigid arm forklift according to claim 5, characterized in that: The fixing bolt (204) is movably connected to the upper end of the bolt washer (203), and the reinforcing rib (205) is fixedly mounted on the upper end of the fixing base (201).
Citation Information
Patent Citations
Rigid arm pallet fork crane
CN220056113U