A lifting device for installing isolation fencing in ore stockpiles.
By improving the telescopic rod combination design and the clamping mechanism, the problems of inconvenient height and distance adjustment and unstable clamping in the installation of ore yard guardrails have been solved, achieving precise positioning and efficient installation, and improving the flexibility and safety of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINCHUAN GRP MACHINERY MFG
- Filing Date
- 2025-04-28
- Publication Date
- 2026-05-26
AI Technical Summary
Existing lifting equipment is inconvenient for adjusting height and distance during the installation of ore yard guardrails, and lacks sufficient clamping stability, resulting in low installation efficiency and safety hazards.
The device employs a telescopic rod assembly design, including first and second telescopic rods and an electric actuator. The electric actuator drives the telescopic rod assembly to adjust its height and angle. The clamping mechanism utilizes the electric actuator and detachable clamps to achieve multi-dimensional adjustments. Combined with a movable base and casters, the device enhances its flexibility and stability.
It achieves precise positioning for guardrail installation, improves installation efficiency and accuracy, reduces manual labor intensity, and enhances the versatility and safety of the equipment.
Smart Images

Figure CN224279637U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ore yard construction technology, specifically a lifting device for installing isolation guardrails in ore yards. Background Technology
[0002] In the construction and maintenance of ore stockpiles, the installation of safety barriers is an important safety measure. Traditional barrier installation methods typically rely on manual handling and simple tools, which presents the following problems:
[0003] 1. Inconvenient height and distance adjustment: The installation position of the guardrail often requires precise adjustment of the height and horizontal distance according to the terrain of the yard and design requirements. Existing lifting equipment is mostly a fixed structure or a single telescopic bar design, which makes it difficult to achieve flexible adjustment in multiple angles and dimensions, resulting in low installation efficiency and insufficient accuracy.
[0004] 2. Insufficient clamping stability: During the lifting process, the guardrail is prone to shaking due to the single fixing method or poor adaptability of the clamping mechanism. In particular, guardrails of different specifications (such as differences in height and width) require frequent clamp replacement. The clamps of traditional equipment have low versatility, which increases the complexity of operation and safety hazards. Utility Model Content
[0005] The purpose of this invention is to provide a lifting device for installing isolation barriers in ore yards, which solves the problem mentioned in the background art that existing lifting devices are not convenient for height and distance adjustment.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a lifting device for installing isolation guardrails in ore stockpiles, comprising a movable base, a telescopic rod assembly and a first electric push rod mounted on the movable base, and a clamping mechanism mounted on the telescopic rod assembly. The telescopic rod assembly includes a first telescopic rod and a second telescopic rod. The two ends of the first telescopic rod and the second telescopic rod are respectively hinged to one side of the movable base and the clamping mechanism. The bottom of the first electric push rod is hinged to the other side of the movable base, and the output shaft of the first electric push rod is hinged to the first telescopic rod.
[0007] Furthermore, the first telescopic rod is composed of a first swing rod and a first sliding cylinder; one end of the first swing rod is hinged to one side of the movable base, the other end of the first swing rod is located inside the first sliding cylinder and is slidably engaged with one end of the first sliding cylinder, a second electric actuator is provided on the first swing rod, the output shaft of the second electric actuator is connected to the first sliding cylinder, and the output shaft of the first electric actuator is hinged to the rod part of the first swing rod.
[0008] Furthermore, the second telescopic rod includes a second swing rod and a second sliding cylinder; one end of the second swing rod is hinged to one side of the movable base and located above the first swing rod, and the other end of the second swing rod is slidably engaged with one end of the second sliding cylinder, and the second sliding cylinder is provided with a set screw.
[0009] Furthermore, the clamping mechanism includes a support plate, a bottom plate, a sliding rod, and a top plate; the other ends of the first sliding cylinder and the second sliding cylinder are both hinged to the support plate, and the second sliding cylinder is located above the first sliding cylinder; the bottom plate is connected to the bottom of the support plate; the sliding rod is vertically slidably engaged with the support plate; the top plate is located at the end of the sliding rod; a third electric push rod is vertically provided on the support plate; the output shaft of the third electric push rod is connected to the top plate; and clamps can be detachably connected to both the bottom plate and the top plate.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] 1. The design adopts a combination of a first telescopic rod (including a first swing rod, a first sliding cylinder, and a second electric push rod) and a second telescopic rod (including a second swing rod, a second sliding cylinder, and a set screw). The height is adjusted by swinging the entire telescopic rod assembly through the first electric push rod, and the length of the telescopic rod is adjusted by the second electric push rod and the set screw. This allows for flexible adjustment of the clamping mechanism in terms of height, horizontal distance, and angle, meeting the precise positioning requirements of different installation positions and improving installation efficiency and accuracy.
[0012] 2. The clamping mechanism drives the top plate to slide vertically along the sliding rod via a third electric actuator. Combined with detachable V-shaped clamps on the bottom and top plates, it can quickly clamp guardrails of different specifications. The detachable design of the clamps improves the equipment's versatility. The diamond-shaped hinge structure (the stable structure formed by the first and second telescopic rods and the support plate) ensures the guardrail remains stable and undisturbed during clamping, solving the problem of unstable clamping. 3. The mobile base is equipped with self-locking casters and a handle, facilitating quick movement and fixation on uneven surfaces. Combined with a battery-powered electric drive system, it achieves automated operation of the equipment, reducing manual labor intensity and improving safety. Attached Figure Description
[0013] Figure 1 This is a structural diagram of the present utility model;
[0014] Figure 2 This is a side view of the present invention;
[0015] Figure 3 This is a rear view of the present invention.
[0016] In the diagram: 1. Movable base; 2. First electric actuator; 3. Clamping mechanism; 4. First telescopic rod; 5. Second telescopic rod; 6. First swing rod; 7. First sliding cylinder; 8. Second electric actuator; 9. Second swing rod; 10. Second sliding cylinder; 11. Support plate; 12. Base plate; 13. Sliding rod; 14. Top plate; 15. Third electric actuator; 16. Clamp; 17. Set screw. Detailed Implementation
[0017] Please see Figures 1 to 3 A lifting device for installing isolation fencing in ore stockpiles is disclosed, comprising four parts: a movable base 1, a telescopic rod assembly, a first electric actuator 2, and a clamping mechanism 3. Both the telescopic rod assembly and the first electric actuator 2 are mounted on the movable base 1, and the clamping mechanism 3 is mounted on the telescopic rod assembly. During installation of the ore stockpile fencing, the device is moved to a suitable position using the movable base 1, then the fencing is clamped and fixed using the clamping mechanism 3. Finally, the installation height and distance of the fencing are adjusted using the telescopic rod assembly and the first electric actuator 2 in conjunction.
[0018] Specifically, the movable base 1 consists of a base and multiple casters mounted on the movable base 1, the casters having a self-locking function. A battery is also installed on the base. A handle is provided on one side of the base.
[0019] The telescopic pole assembly consists of a first telescopic pole 4 and a second telescopic pole 5. Wherein:
[0020] The first telescopic rod 4 consists of a first swing rod 6 and a first sliding cylinder 7. Hinges are fixed to both sides of the base of the movable base 1 by welding or bolts. One end of the first swing rod 6 is hinged to the hinge on one side of the base. The other end of the first swing rod 6 has a protrusion located inside the first sliding cylinder 7, and the other end of the first swing rod 6 is adapted to the inner wall of the first sliding cylinder 7 and can slide within the first sliding cylinder 7. A second electric actuator 8 parallel to the first swing rod 6 is installed on the first swing rod 6, and the output shaft of the second electric actuator 8 is connected to the first sliding cylinder 7 via a connecting block. The bottom of the first electric actuator 2 is hinged to the hinge on the other side of the base, and the output shaft of the first electric actuator 2 is hinged to the rod portion of the first swing rod 6 (e.g., ...). Figure 2 (As shown).
[0021] The second telescopic rod 5 consists of a second swing rod 9 and a second sliding cylinder 10. Both the second swing rod 9 and the second sliding cylinder 10 are rectangular in shape. One end of the second swing rod 9 is also hinged to a hinge seat on one side of the base, and the second swing rod 9 is located above the first swing rod 6. The other end of the second swing rod 9 is located inside the second sliding cylinder 10 and can slide inside the second sliding cylinder 10. A set screw 17 is also threaded onto the second sliding cylinder 10. The relative position between the second swing rod 9 and the second sliding cylinder 10 is fixed by the set screw 17, or it can be fixed by a pin.
[0022] The clamping mechanism 3 consists of a support plate 11, a base plate 12, a sliding rod 13, a top plate 14, and a third electric push rod 15. The other ends of the first sliding cylinder 7 and the second sliding cylinder 10 are both hinged to the support plate 11, and the second sliding cylinder 10 is located above the first sliding cylinder 7, so that the hinge seat on one side of the base, the first telescopic rod 4, the second telescopic rod 5 and the support plate 11 form an adjustable rhomboid structure; the first telescopic rod 4 and the second telescopic rod 5 are arranged in parallel vertically, and together with the base hinge seat and the support plate, they form a closed parallelogram hinge mechanism. This mechanism synchronously constrains the motion freedom of the support plate through the double parallel rods, so that the support plate can only swing synchronously with the telescopic rod group and cannot produce a flipping motion; so as to ensure that the support plate 11 will not flip when the height of the support plate 11 is adjusted by the first electric push rod 2; the bottom plate 12 is detachably connected to the bottom of the support plate 11 by bolts; a vertical groove is opened on the support plate 11, and the sliding rod 13 is located in the groove and can slide in the groove; the top plate 14 is fixed to the upper part of the sliding rod 13 by bolts; the third electric push rod 15 is installed on the support plate 11 and its output shaft is connected to the top plate 14 through a connecting plate; Finally, clamps 16 are detachably connected to both the base plate 12 and the top plate 14 by bolts. The clamping openings of the two clamps 16 are V-shaped, and the two clamps 16 are arranged opposite each other (e.g., Figure 3 (As shown).
[0023] The first electric actuator 2, the second electric actuator 8, and the third electric actuator 15 in this device are all connected to a battery on the base and powered by the battery. Switches controlling the first electric actuator 2, the second electric actuator 8, and the third electric actuator 15 are located on the handle. The first electric actuator 2, the second electric actuator 8, and the third electric actuator 15 all have a self-locking function.
[0024] Working process and principle of this utility model:
[0025] When installing the ore yard isolation fence, first move the device to the transport vehicle compartment of the transport fence, then activate the first electric actuator 2. The output shaft of the first electric actuator 2 extends, causing the first telescopic rod 4 and the second telescopic rod 5 to swing upwards synchronously, thereby causing the clamping mechanism 3 to swing upwards to adjust its height to match the height of the vehicle compartment. Then activate the third electric actuator 15. The output shaft of the third electric actuator 15 extends, causing the clamp 16 located on the top plate 14 to move upwards. The fence is then placed between the two clamps 16, and the output shaft of the third electric actuator 15 is retracted, causing the clamp 16 on the top plate 14 to move downwards, thus clamping the fence. Then, the workers move the device to the fence installation location, retract the output shaft of the first electric actuator 2, causing the first telescopic rod 4 and the second telescopic rod 5 to swing downwards synchronously, thereby moving the clamping mechanism 3 downwards to the installation location. The workers then fix the fence in place using bolts or welding.
[0026] The device can also adjust the clamping distance of the guardrail by adjusting the lengths of the first telescopic rod 4 and the second telescopic rod 5. During adjustment, first loosen the set screw 17, then activate the second electric actuator 8. The output shaft of the second electric actuator 8 extends or retracts, thereby driving the first swing rod 6 to slide within the first sliding cylinder 7, and also driving the second swing rod 9 to slide within the second sliding cylinder 10. After the lengths of the first telescopic rod 4 and the second telescopic rod 5 are adjusted, tighten the set screw 17 (the distance the first swing rod 6 slides within the first sliding cylinder 7 must be equal to the distance the second swing rod 9 slides within the second sliding cylinder 10). While loosening the set screw 17, the operator can also adjust the clamping angle of the clamping mechanism 3 by rotating the support plate 11.
Claims
1. A lifting device for installing isolation barriers in ore stockpiles, comprising a movable base (1), a telescopic rod assembly and a first electric push rod (2) mounted on the movable base (1), and a clamping mechanism (3) mounted on the telescopic rod assembly, characterized in that, The telescopic rod assembly includes a first telescopic rod (4) and a second telescopic rod (5); the two ends of the first telescopic rod (4) and the second telescopic rod (5) are respectively hinged to one side of the movable base (1) and the clamping mechanism (3), the bottom of the first electric push rod (2) is hinged to the other side of the movable base (1), and the output shaft of the first electric push rod (2) is hinged to the first telescopic rod (4).
2. The lifting device as described in claim 1, characterized in that, The first telescopic rod (4) is composed of a first swing rod (6) and a first sliding cylinder (7); one end of the first swing rod (6) is hinged to one side of the movable base (1), and the other end of the first swing rod (6) is located inside the first sliding cylinder (7) and is slidably engaged with one end of the first sliding cylinder (7). A second electric push rod (8) is provided on the first swing rod (6), and the output shaft of the second electric push rod (8) is connected to the first sliding cylinder (7). The output shaft of the first electric push rod (2) is hinged to the rod part of the first swing rod (6).
3. The lifting device as described in claim 2, characterized in that, The second telescopic rod (5) includes a second swing rod (9) and a second sliding cylinder (10); one end of the second swing rod (9) is hinged to one side of the movable base (1) and located above the first swing rod (6), and the other end of the second swing rod (9) is slidably engaged with one end of the second sliding cylinder (10), and the second sliding cylinder (10) is provided with a set screw (17).
4. The lifting device as described in claim 3, characterized in that, The clamping mechanism (3) includes a support plate (11), a bottom plate (12), a sliding rod (13), and a top plate (14); the other ends of the first sliding cylinder (7) and the second sliding cylinder (10) are both hinged to the support plate (11) and the second sliding cylinder (10) is located above the first sliding cylinder (7). The bottom plate (12) is connected to the bottom of the support plate (11). The sliding rod (13) is vertically slidably engaged with the support plate (11). The top plate (14) is located at the end of the sliding rod (13). A third electric push rod (15) is vertically provided on the support plate (11). The output shaft of the third electric push rod (15) is connected to the top plate (14). A clamp (16) can be detachably connected to both the bottom plate (12) and the top plate (14).