Traction force detection device for fork crane
By installing rectangular grooves and slide plates at the bottom of the forklift arm of the forklift crane, combined with thrust cylinders and force monitoring gauges, the instability problem caused by loose forklift crane supports was solved, and the stability and controllability were improved.
Patent Information
- Application Number
- CN202522502881.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-11-26
AI Technical Summary
The cross linkage bracket of a forklift crane is prone to loosening at the connection point with the forklift arm during operation, resulting in unstable lifting.
Design a forklift crane traction force detection device, including opening a rectangular groove at the bottom of the forklift arm and sliding a rectangular slide plate between the inner walls. A thrust cylinder pushes a triangular baffle and the forklift arm to rise. The cooperation between the rectangular slide plate and the groove avoids friction loss. At the same time, the lifting force is monitored in real time by a force monitoring meter, forming a scissor-shaped support frame to ensure stability.
It improves the stability of the forklift arm, avoids frictional wear, and can monitor the lifting force in real time to ensure the stability and controllability of the forklift arm's lifting process.
Smart Images

Figure CN223722742U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fork hoist technical field especially relates to a fork hoist tension detection device. BACKGROUND
[0002] The hoisting machinery can be applied in engineering construction, steel transportation and other fields, and provides great convenience for the carrying of goods. There are many types of hoists, and when carrying large goods, the commonly used are beam type hoists and cantilever type hoists, and when carrying small goods, fork hoists can be used.
[0003] At present, the fork hoist mostly adopts the cross link type support as the supporting arm of jacking, but the connection between the cross link support and the forklift arm is easy to loosen during movement, which causes instability when lifting the forked object. UTILITY MODEL CONTENT
[0004] The utility model discloses a fork hoist tension detection device to solve the prior art problems.
[0005] To solve the above technical problems, the basic idea of the technical scheme adopted by the utility model is:
[0006] A fork hoist tension detection device, comprising two forklift arms, a triangular baffle is fixed at the top of the two forklift arms near one side edge, a rectangular sliding groove is formed in the bottom of the two forklift arms, a rectangular sliding plate is slidably arranged between the inner walls of the two rectangular sliding grooves, a first support plate is rotatably arranged at the bottom of the two rectangular sliding plates, a second support plate is rotatably arranged at one end of the two forklift arms, and a through hole is formed in the top of the two second support plates.
[0007] Optionally, the two through holes are penetrated to the bottom of the second support plate, the first support plate is rotatably connected between the two side inner walls of the through hole, and the first support plate is located in the inside of the through hole.
[0008] Optionally, the first support plate and the second support plate below the forklift arm are in a cross shape, and a roller is rotatably arranged at the bottom of the second support plate near one end edge.
[0009] Optionally, a fixing frame is installed between the bottom ends of the two first support plates, a push oil cylinder is fixed at the top of the fixing frame, and a butt joint plate is fixed on one side of the push oil cylinder.
[0010] Optionally, a handle for driving the push oil cylinder is rotatably arranged at the top of the butt joint plate, and a stress monitoring table is arranged on the handle.
[0011] Optionally, the top of the thrust cylinder is fixed to the bottom of the triangular baffle, the inner bottom surface of the fixed frame is rotationally provided with a mounting frame, and the two side walls of the mounting frame are rotationally provided with steering wheels.
[0012] After the technical scheme is applied, the utility model has the following beneficial effects compared with the prior art, of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below:
[0013] 1、The utility model discloses a rectangular sliding groove is set up in the bottom of the fork truck arm, and a rectangular sliding plate is slidably arranged between the inner walls of the rectangular sliding groove, and then one end of the first supporting plate is rotatably installed at the bottom of the rectangular sliding plate, when the triangular baffle and the fork truck arm are pushed upward by the thrust cylinder, the rectangular sliding plate slides in the rectangular sliding groove, thereby ensuring the stability of the fork truck arm rising, and the friction loss between the top of the first supporting plate and the fork truck arm can be avoided through the cooperation of the rectangular sliding plate and the rectangular sliding groove.
[0014] 2、The utility model discloses that the lifting thrust of the thrust cylinder is measured by a force detection table when the thrust cylinder is lifted upward, so that people can monitor the size of the lifting force at any time, and the first supporting plate and the second supporting plate are rotatably connected in the through hole, thereby forming a scissors-shaped supporting frame, and the stability of the fork truck arm rising is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] The following description is only some embodiments, and other drawings can be obtained according to the drawings without creative labor for those skilled in the art. In the drawings:
[0016] Fig. 1 A front view of the utility model discloses a fork crane tension detection device is provided with a front view of the utility model discloses a fork crane tension detection device;
[0017] Fig. 2 A front view of the utility model discloses a fork crane tension detection device is provided with a front view of the utility model discloses a fork crane tension detection device;
[0018] Fig. 3 A front view of the utility model discloses a fork crane tension detection device is provided with a front view of the utility model discloses a fork crane tension detection device.
[0019] In the drawings, the component list represented by each sign is as follows:
[0020] 1, fork truck arm;2, triangular baffle;3, first supporting plate;4, second supporting plate;5, through hole;6, fixed frame;7, steering wheel;8, thrust cylinder;9, butt joint plate;10, handle;11, force detection table;12, mounting frame;13, rectangular sliding groove;14, rectangular sliding plate;15, roller.
[0021] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0022] The present invention will now be described in further detail with reference to the accompanying drawings.
[0023] Example 1, such as Figs. 1-3 As shown, this utility model provides a technical solution for a forklift crane tensile force detection device: it includes two forklift arms 1, a triangular baffle 2 is fixed at the top of the two forklift arms 1 near one side edge, a rectangular slide groove 13 is opened at the bottom of the two forklift arms 1, a rectangular slide plate 14 is slidably arranged between the inner walls of the two rectangular slide grooves 13, a first support plate 3 is rotatably arranged at the bottom of the two rectangular slide plates 14, a second support plate 4 is rotatably arranged at one end of the two forklift arms 1, and a through opening 5 is opened at the middle of the top of the two second support plates 4.
[0024] The effect achieved by the entire embodiment 1 is that a rectangular groove 13 is opened at the bottom of the forklift arm 1, and a rectangular slide plate 14 is slidably arranged between the inner walls of the rectangular groove 13. Then, one end of the first support plate 3 is rotated and installed at the bottom of the rectangular slide plate 14. When the triangular baffle 2 and the forklift arm 1 are pushed upward by the thrust cylinder 8, the rectangular slide plate 14 slides inside the rectangular groove 13, thereby ensuring the stability of the forklift arm 1 rising. At the same time, through the cooperation of the rectangular slide plate 14 and the rectangular groove 13, frictional wear between the top of the first support plate 3 and the forklift arm 1 can be avoided.
[0025] Example 2, as Figs. 1-3 As shown, both through-holes 5 extend to the bottom of the second support plate 4. The middle of the two first support plates 3 is located inside the through-holes 5, and the first support plates 3 are rotatably connected to the inner walls on both sides of the through-holes 5. The first support plates 3 and the second support plates 4 located below the forklift arm 1 are intersecting each other. Rollers 15 are rotatably installed near one edge of the bottom of the two second support plates 4. A fixing frame 6 is installed between the bottom ends of the two first support plates 3. A thrust cylinder 8 is fixed to the top of the fixing frame 6. A docking plate 9 is fixed to one side of the thrust cylinder 8. A handle 10 for driving the thrust cylinder 8 is rotatably installed on the top of the docking plate 9. A force monitoring gauge 11 is installed on the handle 10. The top of the thrust cylinder 8 is fixed to the bottom of the triangular baffle 2. A mounting frame 12 is rotatably installed on the inner bottom surface of the fixing frame 6. Steering wheels 7 are rotatably installed between the inner walls on both sides of the mounting frame 12.
[0026] The effect achieved by the whole embodiment 2 is that when the pushing force oil cylinder 8 is upwardly jacked, the jacking force generated thereby is measured by the force monitoring table 11, people can monitor the jacking force at any time, the first supporting plate 3 and the second supporting plate 4 are rotationally fitted inside the through hole 5, and then the first supporting plate 3 and the second supporting plate 4 can form a scissor-shaped support frame, thereby ensuring the stability of the forklift arm 1 when the forklift arm 1 is lifted.
[0027] Working principle: a rectangular sliding groove 13 is formed at the bottom of the forklift arm 1, a rectangular sliding plate 14 is slidably arranged between the inner walls of the rectangular sliding groove 13, one end of the first supporting plate 3 is rotationally installed at the bottom of the rectangular sliding plate 14, when the triangular baffle 2 and the forklift arm 1 are upwardly pushed by the pushing force oil cylinder 8, the rectangular sliding plate 14 slides in the rectangular sliding groove 13, thereby ensuring the stability of the forklift arm 1 when the forklift arm 1 is lifted, and through the cooperation of the rectangular sliding plate 14 and the rectangular sliding groove 13, the friction loss between the top of the first supporting plate 3 and the forklift arm 1 can be avoided, when the pushing force oil cylinder 8 is upwardly jacked, the jacking force generated thereby is measured by the force monitoring table 11, people can monitor the jacking force at any time, the first supporting plate 3 and the second supporting plate 4 are rotationally fitted inside the through hole 5, and then the first supporting plate 3 and the second supporting plate 4 can form a scissor-shaped support frame, thereby ensuring the stability of the forklift arm 1 when the forklift arm 1 is lifted.
[0028] The utility model is not limited to the above-mentioned embodiment, anyone should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure parts are known technology.
Claims
1. A fork lift truck tension detection device comprising two fork arms (1), characterised in that: The top of two said forklift arms (1) is fixed with a triangular baffle (2) near one side edge, the bottom of two said forklift arms (1) is provided with a rectangular sliding slot (13), the inner wall between two said rectangular sliding slots (13) is slidably provided with a rectangular sliding plate (14), the bottom of two said rectangular sliding plates (14) is rotatably provided with a first support plate (3), one end of two said forklift arms (1) is rotatably provided with a second support plate (4), the top of two said second support plates (4) is provided with a through hole (5) at the middle.
2. A fork lift truck tension detection device according to claim 1, characterised in that: Two said through holes (5) are penetrated to the bottom of second support plate (4), the middle of two said first support plates (3) is located inside the through hole (5), and the first support plate (3) is rotatably connected with the inner wall of the through hole (5) on both sides.
3. A fork lift truck tension detection device according to claim 2, characterised in that: The first support plate (3) and the second support plate (4) below the forklift arm (1) are cross-shaped, the bottom of two said second support plates (4) is rotatably provided with a roller (15) near one end edge.
4. A fork lift truck tension detection device according to claim 3, characterised in that: The bottom of two said first support plates (3) is provided with a fixing frame (6), the top of the fixing frame (6) is fixed with a push oil cylinder (8), one side of the push oil cylinder (8) is fixed with a butt plate (9).
5. A fork lift truck tension detection device according to claim 4, characterised in that: The top of the butt plate (9) is rotatably provided with a handle (10) for driving the push oil cylinder (8), and the handle (10) is provided with a stress monitoring table (11).
6. A fork lift truck tension detection device according to claim 5, characterised in that: The top of the push oil cylinder (8) is fixed on the bottom of the triangular baffle (2), the inner bottom of the fixing frame (6) is rotatably provided with a mounting frame (12), and the inner wall between the two sides of the mounting frame (12) is rotatably provided with a steering wheel (7).