Mechanical limit stop protection device

Abstract

A kind of mechanical limiting protection device, it is applicable to the use of mechanical limiting on the feeding of continuous casting and rolling production line, can effectively prolong the service life of mechanical limiting, including bottom plate, rotating part, bolt, stop lever and counterweight, the top right side of the bottom plate is equipped with rotating part, the rotating part rotates under the limiting of bolt, the right side of the rotating part is equipped with adjustable stop lever, the end of the rotating part is equipped with counterweight, the front side of the bottom plate is reserved mechanical limiting installation position, the right side of the bottom plate is installed two groups of opposite limiting parts, the stroke protection of guide rod can be carried out by the stop lever, the damage to mechanical limiting is reduced by reducing the buffer force of guide rod, by being equipped with installable counterweight, different objects can be effectively operated, so as to improve the applicability of device.

Description

Technical Field

[0001] A mechanical limit protection device is suitable for use as a material feeding limit in a continuous casting and rolling production line, which can effectively extend the service life of the mechanical limit. Background Technology

[0002] The mechanical limit switch for feeding is used to control the top position of the feeding trolley in the continuous casting and rolling growth line. When the feeding trolley reaches the feeding port, the upper arm of the feeding trolley touches the lower guide rod, and the signal is transmitted to the mechanical limit switch through the guide rod. The winch stops, feeding begins, and the feeding process is completed. For example, CN219589961U discloses a mechanical limit protection device for anti-collision of a coal sampling machine entering a plant, including two sets of sliders. Multiple high-damping springs are respectively installed on the outer walls of the tops of the two sets of sliders, and bottom support frames are fixedly connected to the tops of the high-damping springs. A limit rod is fixedly connected between the two bottom support frames, and a limit tube is movably sleeved on the outer wall of the limit rod. A mounting frame is fixedly connected to the outer wall of the top of the limit tube, and torsion springs are fixedly connected to the outer walls of the opposite sides of the limit tube. The other ends of the torsion springs are fixed to the outer walls of the opposite sides of the two bottom support frames. Two limiting plates are fixedly connected to the outer wall of the limiting rod, and the two limiting plates are respectively movably attached to the outer walls of the two sides of the limiting tube. The top outer walls of the multiple mounting brackets are fixedly connected to the sampler body. The anti-collision mechanical limiting protection device for the coal sampling machine provided by this utility model has the technical effect of protecting the bottom connection structure and ensuring the service life of the entire sampling device. Existing devices cannot effectively buffer when colliding with some objects, thus damaging the mechanical limiting device and reducing the service life of the equipment. Therefore, it is urgent to design a mechanical limiting protection device to solve the above problems. Utility Model Content

[0003] The purpose of this utility model is to provide a mechanical limiting protection device to solve the problem mentioned in the background art that the existing device cannot effectively buffer when colliding with some objects, thereby damaging the mechanical limiting device and reducing the service life of the equipment.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a mechanically limited protective device, comprising a base plate, a rotating component, a pin, a stop bar, and a counterweight. The rotating component is provided on the top right side of the base plate. The rotating component rotates under the limitation of the pin. An adjustable stop bar is provided on the right side of the rotating component. A counterweight is installed at the end of the rotating component.

[0005] Preferably, a mechanical limiting installation position is reserved on the front side of the base plate, and two sets of opposing limiting components are installed on the right side of the base plate.

[0006] Preferably, the limiting component comprises a fixed rack plate and a loop block. The fixed rack plate is fixedly mounted on the side of the loop block, and an insertion block is inserted inside the loop block. A baffle is fixedly mounted on the top front end of the insertion block. The insertion block and the baffle are in an inverted L-shape to limit the height of the stop bar.

[0007] Preferably, the rotating component includes two sets of side plates and a rotating shaft. The rotating shaft is located at the center of the two sets of side plates. The rotating shaft is connected and rotated by a pin. A horizontal plate is installed at the left end of the rotating shaft, and a vertical plate is installed at the right end of the rotating shaft.

[0008] Preferably, the front right end of the vertical plate is flexibly connected to a hook via a guide chain, and a stop bar is provided at the center of the vertical plate.

[0009] Preferably, the top center of the horizontal plate is set as the contact position of the mechanical limit contact point, and the bottom end of the horizontal plate is provided with two sets of fixing plates, and the center of each set of fixing plates is threaded with a bolt.

[0010] Preferably, a limiting component is installed at the bottom of the stop lever, and the limiting component drives the stop lever to make lateral adjustments. The limiting component includes a connecting rod and a movable rack plate. Movable rack plates are fixed at both ends of the connecting rod, and the two sets of movable rack plates can be fitted with corresponding two sets of fixed rack plates.

[0011] Preferably, threaded blocks (51) are fixed on both sides of the top of the counterweight (5), and the two ends of the two sets of threaded blocks (51) are connected by bolts (243).

[0012] Compared with the prior art, the beneficial effects of this utility model are: This mechanical limit protection device can protect the guide rod by providing a stop bar, reduce the buffering force of the guide rod to reduce damage to the mechanical limit, and improve the applicability of the device by providing a counterweight that can be installed, so as to effectively operate on different objects.

[0013] This mechanical limit protection device facilitates quick installation of counterweights and improves efficiency through two sets of fixing plates and bolts at the bottom of the horizontal plate. The spacing can be adjusted laterally through the limiting component at the bottom of the stop bar to adapt to different stroke requirements. Attached Figure Description

[0014] Figure 1 This is a front view schematic diagram of the present utility model; Figure 2 This is a rear view schematic diagram of the present invention; Figure 3 This is a side view of the present invention; Figure 4 This is a schematic diagram of the limiting component structure of this utility model; Figure 5 This is an enlarged schematic diagram of the counterweight connection point of this utility model.

[0015] In the diagram: 1. Base plate; 11. Mechanical limit installation position; 12. Limiting component; 121. Fixed rack plate; 122. U-shaped block; 123. Insertion block; 124. Baffle; 2. Rotating component; 21. Side plate; 22. Rotating shaft; 23. Vertical plate; 231. Hook; 24. Horizontal plate; 241. Contact position of mechanical limit contact point; 242. Fixed plate; 243. Bolt; 3. Pin; 4. Stop bar; 41. Limiting component; 411. Connecting rod; 412. Moving rack plate; 5. Counterweight; 51. Threaded block. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-5 One embodiment provided by this utility model: A mechanically limited protective device includes a base plate 1, a rotating component 2, a pin 3, a stop bar 4, and a counterweight 5. The device is characterized in that: the rotating component 2 is provided on the right side of the top of the base plate 1, the rotating component 2 rotates under the limitation of the pin 3, the right side of the rotating component 2 is provided with an adjustable stop bar 4, and the end of the rotating component 2 is equipped with a counterweight 5.

[0018] As a further feature of this invention, a mechanical limiting installation position 11 is reserved on the front side of the base plate 1, and two sets of opposing limiting members 12 are installed on the right side of the base plate 1. The limiting member 12 consists of a fixed rack plate 121 and a loop block 122. The fixed rack plate 121 is fixedly mounted on the side of the loop block 122, and an insertion block 123 is inserted inside the loop block 122. A baffle 124 is fixedly mounted on the top side of the front end of the insertion block 123. The insertion block 123 and the baffle 124 form an inverted L-shape to limit the height of the stop bar 4, which facilitates the limiting and adjustment of the stop bar and improves the applicability of the device.

[0019] Furthermore, the rotating component 2 includes two sets of side plates 21 and a rotating shaft 22. The rotating shaft 22 is located at the center of the two sets of side plates 21. The rotating shaft 22 is connected and rotated by a pin 3. A horizontal plate 24 is installed at the left end of the rotating shaft 22, and a vertical plate 23 is installed at the right end of the rotating shaft 22. The front right end of the vertical plate 23 is flexibly connected to the hook 231 by a guide chain. A stop bar 4 is located at the center of the vertical plate 23. The top center of the horizontal plate 24 is set as the mechanical limit contact point contact position 241. Two sets of fixing plates 242 are located at the bottom end of the horizontal plate 24. Bolts 243 are threaded at the center of both sets of fixing plates 242. By reducing the buffering force of the guide rod, damage to the mechanical limit is reduced.

[0020] Furthermore, a limiting component 41 is installed at the bottom of the stop lever 4. The limiting component 41 drives the stop lever 4 to make lateral adjustments. The limiting component 41 includes a connecting rod 411 and a movable rack plate 412. The two ends of the connecting rod 411 are fixed with movable rack plates 412. The two sets of movable rack plates 412 can be engaged with the corresponding two sets of fixed rack plates 121 to buffer the vertical rod and improve the service life of the device.

[0021] Furthermore, threaded blocks 51 are fixed on both sides of the top of the counterweight 5. The two ends of the two sets of threaded blocks 51 are connected by bolts 243. The impact force on the trolley is calculated according to the different counterweights to ensure the limit release response speed.

[0022] Working principle: During use, the operator first places the mechanical limit switch on the pre-reserved mechanical limit switch installation position 11 at the top of the base plate 1. The limit contact point contacts the mechanical limit contact point 241 at the top of the horizontal plate 24. Then, the hook 231 is connected to the vertical plate 23 that directly contacts the upper arm of the trolley via a guide chain. When a signal is transmitted to the vertical plate 23 through the hook 231, the counterweight 5 begins to descend, and the mechanical limit switch disengages from the mechanical limit contact point 241 in the horizontal plate 242, starting... When the spacing of the stop lever 3 needs to be adjusted to adapt to different strokes, the baffles 124 at the front end of the two sets of loop blocks 122 are pulled out. Then, the stop lever 4 is lifted up, and the connecting rod 411 and the movable rack plate 412 at the bottom of the stop lever 4 are separated from the fixed rack plates 121 on both sides. After moving to the appropriate position, the two sets of movable rack plates 412 are engaged with the fixed rack plates 121, and the baffles 124 are inserted into the loop blocks 122. The above is the complete working principle of this utility model.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A mechanically limited protective device, comprising a base plate (1), a rotating component (2), a pin (3), a stop bar (4), and a counterweight (5), characterized in that: The top right side of the base plate (1) is provided with a rotating part (2), which rotates under the limit of the pin (3). The right side of the rotating part (2) is provided with an adjustable stop bar (4), and the end of the rotating part (2) is equipped with a counterweight (5).

2. The mechanical limiting protection device according to claim 1, characterized in that: The front side of the base plate (1) is reserved with a mechanical limiting installation position (11), and two sets of opposing limiting components (12) are installed on the right side of the base plate (1).

3. The mechanical limiting protection device according to claim 2, characterized in that: The limiting component (12) consists of a fixed rack plate (121) and a spiral block (122). The fixed rack plate (121) is fixed on the side of the spiral block (122). An insert block (123) is inserted inside the spiral block (122). A baffle (124) is fixed on the top front side of the insert block (123). The insert block (123) and the baffle (124) form an inverted L shape to limit the height of the stop bar (4).

4. The mechanical limiting protection device according to claim 1, characterized in that: The rotating component (2) includes two sets of side plates (21) and a rotating shaft (22). The rotating shaft (22) is located at the center of the two sets of side plates (21). The rotating shaft (22) is connected and rotated by a pin (3). A horizontal plate (24) is installed at the left end of the rotating shaft (22), and a vertical plate (23) is installed at the right end of the rotating shaft (22).

5. The mechanical limiting protection device according to claim 4, characterized in that: The front right end of the vertical plate (23) is flexibly connected to the hook (231) via a guide chain, and a stop bar (4) is provided at the center of the vertical plate (23).

6. The mechanical limiting protection device according to claim 4, characterized in that: The top center of the horizontal plate (24) is set as the mechanical limit contact contact position (241), and the bottom end of the horizontal plate (24) is provided with two sets of fixing plates (242), and the center of the two sets of fixing plates (242) is threaded with bolts (243).

7. The mechanical limiting protection device according to claim 1, characterized in that: The bottom end of the stop lever (4) is equipped with a limiting component (41). The limiting component (41) drives the stop lever (4) to make lateral adjustments. The limiting component (41) includes a connecting rod (411) and a movable rack plate (412). Both ends of the connecting rod (411) are fixed with movable rack plates (412). The two sets of movable rack plates (412) can be fitted with the corresponding two sets of fixed rack plates (121).

8. The mechanical limiting protection device according to claim 1, characterized in that: The counterweight (5) has threaded blocks (51) fixed on both sides of its top end, and the two ends of the two sets of threaded blocks (51) are connected by bolts (243).

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