Anti-loosening fixing structure of molybdenum lifting grab bolt
By setting anti-loosening and limiting mechanisms on the molybdenum lifting grab bolts, the friction between the nut and the bolt is increased, solving the loosening problem caused by load and external force, and ensuring the stable operation of the equipment.
Patent Information
- Application Number
- CN202520778957.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-23
AI Technical Summary
During operation, molybdenum lifting grabs are subjected to large loads and complex external forces, which may cause the bolts to loosen, leading to increased gaps in the connection parts and affecting the normal operation of the equipment.
It employs anti-loosening and limiting mechanisms, including toothed washers, fixed shafts, sliding plates, springs, and clamping plates, which increase the friction between the nut and bolt through elastic preload and limiting action, thus preventing loosening.
This effectively prevents bolts from loosening, ensuring that the connection between the molybdenum lifting grab and other components remains tight at all times, thus guaranteeing the stability and safety of the equipment.
Smart Images

Figure CN223923552U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to mechanical connection and fastening technical field, especially relate to a kind of anti-loosening fixing structure of molybdenum hoist grabs bolt. BACKGROUND
[0002] In modern mining and related industrial fields, molybdenum plays an indispensable role in steel, electronics, chemical and other key industries due to its unique physical and chemical properties. As the core equipment in the process of molybdenum mining and subsequent material handling, molybdenum hoist grabs shoulder the task of frequent and high-intensity lifting operation;
[0003] In molybdenum mining or related industrial production, molybdenum hoist grab is an important equipment for lifting and transporting molybdenum ore or related materials. This equipment will bear a large load and vibration during operation, which puts high requirements on the stability and reliability of its various connecting parts;
[0004] The existing equipment will bear a large load and various complex external forces such as gravity, lifting force, vibration impact force, etc. during the working process of molybdenum hoist grab. Under the influence of these complex external forces, the bolt may loosen, causing the gap at the connection site to increase, which prevents the various parts of the molybdenum hoist grab from maintaining the correct relative position, affecting the normal operation of the equipment. Therefore, we propose an anti-loosening fixing structure for molybdenum hoist grab bolt. SUMMARY
[0005] The utility model aims at providing an anti-loosening fixing structure for molybdenum hoist grab bolt, which solves the problem of the existing equipment bearing a large load and various complex external forces such as gravity, lifting force, vibration impact force, etc. during the working process of molybdenum hoist grab. Under the influence of these complex external forces, the bolt may loosen, causing the gap at the connection site to increase, which prevents the various parts of the molybdenum hoist grab from maintaining the correct relative position, affecting the normal operation of the equipment.
[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:
[0007] The utility model is an anti-loosening fixing structure for molybdenum hoist grab bolt, which includes a bolt. The top outer wall of the bolt is fixedly connected with a toothed washer. The outer wall of the bolt is provided with an anti-loosening mechanism.
[0008] The anti-loose mechanism comprises a washer, the inner wall of the washer is slidably connected with the outer wall of a bolt, the outer wall of the washer is fixedly connected with a plurality of fixing shafts, the outer wall of the distal end of each of the fixing shafts is fixedly connected with a sliding plate, the outer wall of each of the sliding plates is sleeved with a spring, the outer wall of the bolt is slidably connected with a washer two, the top outer wall of the washer two is fixedly connected with an anti-skid point, the inner wall of the washer two is provided with a sliding groove, the inner wall of each of the sliding grooves is slidably connected with the outer wall of the sliding plate, the outer wall of the bolt is threadedly connected with a nut, the top outer wall of the bolt is attached with the bottom outer wall of the washer, and the inner wall of the bolt is provided with a limiting mechanism.
[0009] Further, the limiting mechanism comprises a fixed plate, and the outer wall of the fixed plate is fixedly connected with the inner wall of the bolt.
[0010] Further, the inner wall of the bolt is provided with a groove, and the inner wall of the bolt is provided with a plurality of clamping grooves.
[0011] Further, the inner wall of the fixed plate is fixedly connected with a plurality of connecting shafts, and the outer wall of each of the connecting shafts is fixedly connected with the inner wall of the bolt.
[0012] Further, the bottom outer wall of the fixed plate is fixedly connected with a plurality of fixed plates two, and the inner wall of each of the fixed plates two is fixedly connected with a rotating shaft.
[0013] Further, the outer wall of each of the rotating shafts is rotatably connected with a connecting plate, and the outer wall of each of the connecting plates is fixedly connected with a clamping plate.
[0014] Further, the outer wall of each of the clamping plates is slidably connected with the inner wall of the clamping groove, and the outer wall of each of the connecting plates is slidably connected with a sliding shaft.
[0015] Further, the outer wall of each of the sliding shafts is fixedly connected with the inner wall of the bolt, and the outer wall of the sliding shaft is sleeved with a spring two.
[0016] The utility model has the following beneficial effects:
[0017] 1, the utility model discloses a fixing shaft is set up, the fixing shaft will drive the sliding plate to continue to slide in the sliding groove of washer two when this time, when sliding to certain distance, washer two will contact spring and will continue to extrude, when spring is extruded, will produce elastic deformation, and the elastic pre -tension between nut and connected piece is added.
[0018] 2. This utility model incorporates a clamping plate. When the nut contacts the clamping plate, it compresses the plate, causing it to rotate on the rotating shaft. Simultaneously, the connecting plate slides on the sliding shaft, compressing the second spring as it slides. When the clamping plate is fully retracted into the slot, it no longer obstructs the nut, thus limiting its position. This significantly reduces the risk of loose bolt connections and ensures the stability and safety of the molybdenum lifting grabbing device.
[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0022] Figure 2 This is a cross-sectional view of the overall structure of this utility model;
[0023] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;
[0024] Figure 4 This is a cross-sectional view of the bolt structure of this utility model;
[0025] Figure 5 This utility model Figure 4 Enlarged view at point B in the middle;
[0026] Figure 6 This is a schematic diagram of the connecting plate structure of this utility model.
[0027] The attached diagram lists the components represented by each number as follows:
[0028] 1. Bolt; 101. Toothed washer; 2. Anti-loosening mechanism; 201. Washer; 202. Fixed shaft; 203. Slide plate; 204. Spring; 205. Second washer; 206. Slide groove; 207. Anti-slip point; 208. Nut; 3. Limiting mechanism; 301. Groove; 302. Fixed plate; 303. Connecting shaft; 304. Second fixed plate; 305. Rotating shaft; 307. Connecting plate; 308. Clamping plate; 309. Clamping groove; 310. Slide shaft; 311. Second spring. Detailed Implementation
[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0030] Please refer to Figures 1-6 The utility model discloses a kind of molybdenum lifting screw bolt's anti-loosening fixing structure, including bolt 1, the top outer wall of bolt 1 is fixedly connected with toothed washer 101, toothed washer 101 is used to increase the friction between bolt 1 and connecting piece, the outer wall of bolt 1 is provided with anti-loosening mechanism 2;
[0031] Anti-loosening mechanism 2 includes washer 201, the inner wall of washer 201 is slidably connected with the outer wall of bolt 1, the outer wall of washer 201 is fixedly connected with a plurality of fixed shafts 202, the outer wall of the end of a plurality of fixed shafts 202 away from washer 201 is fixedly connected with sliding plate 203, fixed shaft 202 is slid in sliding groove 206 by sliding plate 203, the outer wall of a plurality of sliding plates 203 is all sleeved with spring 204, fixed shaft 202 is used to limit spring 204, the outer wall of bolt 1 is slidably connected with washer two 205, the top outer wall of washer two 205 is fixedly connected with anti-slip point 207, anti-slip point 207 is used to increase the friction between washer two 205 and connecting piece, the inner wall of washer two 205 is provided with sliding groove 206, the inner wall of a plurality of sliding grooves 206 is slidably connected with the outer wall of sliding plate 203, the outer wall of bolt 1 is threadedly connected with nut 208, the top outer wall of bolt 1 is attached with the bottom outer wall of washer 201, the inner wall of bolt 1 is provided with limiting mechanism 3;
[0032] Limiting mechanism 3 includes fixed plate 302, the outer wall of fixed plate 302 is fixedly connected with the inner wall of bolt 1, the inner wall of bolt 1 is provided with recess 301, the inner wall of bolt 1 is provided with a plurality of clamping grooves 309, the inner wall of fixed plate 302 is fixedly connected with a plurality of connecting shafts 303, connecting shaft 303 is used to fix fixed plate 302, the outer wall of a plurality of connecting shafts 303 is fixedly connected with the inner wall of bolt 1, the bottom outer wall of fixed plate 302 is fixedly connected with a plurality of fixed plates two 304, the inner wall of a plurality of fixed plates two 304 is all fixedly connected with rotating shaft 305, fixed plate two 304 is used to fix and limit rotating shaft 305;
[0033] The outer wall of the plurality of rotating shafts 305 is rotationally connected with a connecting plate 307, the connecting plate 307 rotates through the rotating shaft 305, the outer wall of the plurality of connecting plates 307 is fixedly connected with a clamping plate 308, the clamping plate 308 is used for limiting the nut 208, the outer wall of the plurality of clamping plates 308 is slidably connected with the inner wall of the clamping groove 309, the outer wall of the plurality of connecting plates 307 is slidably connected with a sliding shaft 310, the connecting plate 307 slides through the sliding shaft 310, the outer wall of the plurality of sliding shafts 310 is fixedly connected with the inner wall of the bolt 1, and the outer wall of the sliding shaft 310 is sleeved with a spring two 311.
[0034] One specific application of the embodiment is:
[0035] When the staff needs to use the device, first, the washer 201 and the washer two 205 are sleeved on the bolt 1, then the nut 208 is also sleeved on the bolt 1 and is moved upwards, when the nut 208 contacts the clamping plate 308, the nut 208 will extrude the clamping plate 308, at this time, the clamping plate 308 will rotate on the rotating shaft 305, and the connecting plate 307 will also slide on the sliding shaft 310, the connecting plate 307 will extrude the spring two 311 while sliding, when the clamping plate 308 is completely curled into the clamping groove 309, the nut 208 will not be blocked any more, then the nut 208 is rotated, when the nut 208 starts to rotate, it will move on the bolt 1, at this time, the nut 208 will push the washer two 205 upwards, when the washer two 205 contacts the article, it will stop moving, at this time, the nut 208 is continuously rotated, the nut 208 will continuously push the washer 201 upwards, when the washer 201 moves upwards, it will drive the plurality of fixing shafts 202 to move upwards, at this time, the fixing shafts 202 will drive the sliding plate 203 to continuously slide in the sliding groove 206 in the washer two 205, when sliding to a certain distance, the washer two 205 will contact the spring 204 and continuously extrude it, when the spring 204 is extruded, it will be elastically deformed, and a continuous elastic pre-tightening force is applied between the nut and the connected part. This pre-tightening force increases the friction between the nut and the bolt, hinders the nut from rotating under the action of vibration or other external forces, and thus plays a role in preventing loosening.
[0036] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0037] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A molybdenum lifting clamp bolt anti-loosening fixing structure, comprising a bolt (1), characterized in that: A toothed washer (101) is fixedly connected to the top outer wall of the bolt (1), and an anti-loosening mechanism (2) is provided on the outer wall of the bolt (1); The anti-loosening mechanism (2) includes a washer (201), the inner wall of which is slidably connected to the outer wall of the bolt (1). A plurality of fixed shafts (202) are fixedly connected to the outer wall of the washer (201). A sliding plate (203) is fixedly connected to the outer wall of one end of each of the fixed shafts (202) away from the washer (201). A spring (204) is fitted onto the outer wall of each of the sliding plates (203). A second washer (204) is slidably connected to the outer wall of the bolt (1). 05), the top outer wall of the washer (205) is fixedly connected with anti-slip point (207), the inner wall of the washer (205) is provided with a sliding groove (206), the inner wall of several sliding grooves (206) is slidably connected to the outer wall of the slide plate (203), the outer wall of the bolt (1) is threaded with a nut (208), the top outer wall of the bolt (1) is attached to the bottom outer wall of the washer (201), and the inner wall of the bolt (1) is provided with a limit mechanism (3).
2. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 1, characterized in that, The limiting mechanism (3) includes a fixing plate (302), the outer wall of which is fixedly connected to the inner wall of the bolt (1).
3. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 2, characterized in that, The inner wall of the bolt (1) is provided with a groove (301) and a plurality of slots (309).
4. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 3, characterized in that, The inner wall of the fixing plate (302) is fixedly connected to a plurality of connecting shafts (303), and the outer walls of the plurality of connecting shafts (303) are fixedly connected to the inner wall of the bolt (1).
5. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 4, characterized in that, The bottom outer wall of the fixing plate (302) is fixedly connected to a plurality of fixing plates two (304), and the inner walls of the plurality of fixing plates two (304) are all fixedly connected to a rotating shaft (305).
6. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 5, characterized in that, Each of the several rotating shafts (305) has a connecting plate (307) rotatably connected to its outer wall, and each of the several connecting plates (307) has a clamping plate (308) fixedly connected to its outer wall.
7. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 6, characterized in that, The outer walls of several of the card plates (308) are slidably connected to the inner walls of the card slots (309), and the outer walls of several of the connecting plates (307) are slidably connected to sliding shafts (310).
8. The anti-loosening fixing structure for a molybdenum lifting clamp bolt according to claim 7, characterized in that, The outer walls of several sliding shafts (310) are fixedly connected to the inner walls of bolts (1), and springs (311) are sleeved on the outer walls of the sliding shafts (310).