Railway locomotive bolt fastening device capable of unifying nut orientation of multiple bolts
By designing a railway locomotive bolt fastening device including a fixing frame, a support base, a positioning clamp, a rotating seat and a transmission gear, the problems of low tightening efficiency of a single bolt and inconsistent nut orientation in the prior art are solved, and batch tightening and orientation of multiple bolts are achieved, and working efficiency and aesthetics are improved.
Patent Information
- Application Number
- CN202421642924.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing railway locomotive bolt fastening device can only be fastened by a single bolt, and cannot be fastened in batches, resulting in low working efficiency and inconsistent orientation of bolts and nuts, which affects the aesthetics.
A device including a fixing frame, a support base, a positioning clamp, a rotary seat and a transmission gear is designed to achieve batch tightening of multiple bolts through a rotary seat and a transmission gear system, and to ensure the stability and applicability of the device through a positioning clamp and a support base.
The batch tightening of multiple bolts is achieved, which improves work efficiency, ensures the uniform orientation of the nuts, and improves the aesthetics and use effect of the bolts.
Smart Images

Figure CN222768323U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bolt fastening, in particular to a railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts. Background Art
[0002] A locomotive is a self-propelled vehicle that pulls or pushes railway vehicles but does not carry any commercial loads. It is commonly known as a locomotive. Calculated by the amount of fuel consumed per ton-kilometer transported, a locomotive is the land transportation tool with the lowest energy consumption.
[0003] For example, patent number CN202321312089.6 discloses a special-shaped bolt fastener, including a first connecting member, a second connecting member inserted into the first connecting member, a nut and a screw, the first connecting member and the second connecting member are connected by a screw thread, the nut is fixed to the top of the screw and fits with the top of the first connecting member, the top of the first connecting member is connected to a protective cover by a pressurizing mechanism, and the protective cover is sleeved on the outside of the nut. The utility model uses a protective cover, a sealing gasket and a pressurizing mechanism in combination, the protective cover can fully protect the nut, the bottom of the protective cover can be sealed under the action of the sealing gasket to prevent water from flowing into the surface of the nut through the bottom gap, thereby achieving a comprehensive sealing effect, and under the action of the pressurizing mechanism, the protective cover can be stably pressed down to ensure that the protective cover is not easy to fall off. This method can play a good protective role when used outdoors, avoid the problem of locking between the nut and the connected object, and achieve a good use effect;
[0004] The bolt tightening device in this patent can only tighten one bolt and cannot perform batch tightening operations, resulting in low work efficiency. Since the tightening is performed individually, the orientation of the bolt and nut is not uniform, which affects the appearance of the bolt. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a railway locomotive bolt tightening device that can unify the orientation of nuts for multiple bolts, thereby solving the problem that the bolt tightening device can only tighten one bolt and cannot perform batch tightening operations, resulting in low work efficiency. Since the tightening is performed individually, the orientation of the bolts and nuts is not unified, which affects the appearance of the bolts.
[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a railway locomotive bolt fastening device that can unify the nut orientation of multiple bolts, including a fixing frame, two supporting bases are provided on both sides of the fixing frame, a connecting seat is provided on the outer side of the fixing frame opposite to the supporting base, one end of the connecting seat extends to the inner side of the supporting base, a positioning clamp is provided at the bottom end of the supporting base, eight rotating seats are evenly provided on the inner wall of the fixing frame, a knob is provided at the top end of the fixing frame, and the bottom end of the knob passes through the fixing frame and extends to one side of one of the rotating seats.
[0007] Preferably, the bottom end of the positioning clamp passes through the support base and extends to the inner side of the support base. The opposite surfaces of the positioning clamp and the support base are located on the inner side of the support base and are provided with a connecting spring. The positioning clamp is movably connected to the support base via the connecting spring.
[0008] Preferably, the bottom end of the positioning clamp passes through the support base and extends to the inner side of the support base. The opposite surfaces of the positioning clamp and the support base are located on the inner side of the support base and are provided with a connecting spring. The positioning clamp is movably connected to the support base via the connecting spring.
[0009] Preferably, a rotation groove is provided on the inner side of the fixing frame at the bottom end of the rotation seat, and the bottom end of the rotation seat extends to the inner side of the rotation groove.
[0010] Preferably, a first transmission gear is provided on the inner side of the fixing frame at the bottom end of the knob, the number of the first transmission gear is the same as the number of the rotating seat, and the first transmission gear is located in front of the rotating seat.
[0011] Preferably, a second transmission gear is provided on the outer side of the first transmission gear at the bottom end of the rotating seat, and the first transmission gear and the second transmission gear are meshed with each other.
[0012] Preferably, a transmission wheel is provided at the upper end of the first transmission gear, a transmission belt is provided on the inner side of the transmission wheel, and the transmission wheels are connected in parallel via the transmission belt.
[0013] Beneficial Effects
[0014] The utility model provides a railway locomotive bolt fastening device that can unify the orientation of nuts on multiple bolts. Compared with the prior art, it has the following beneficial effects:
[0015] The fixing frame and railway locomotives of different sizes are fixed by a supporting base and a positioning clamp to improve the applicability of the device, and then the nuts in the same direction are sequentially placed in the rotating seat in the fixing frame. There are eight rotating seats, so that the nuts can be placed in batches, and then the knob on the top of the rotating frame is driven by the driving wheel and the driving belt to rotate simultaneously. When the first driving gears rotate simultaneously, the first driving gear drives the nuts inside the rotating seat through the second driving gear to perform batch tightening operations, thereby improving the working efficiency of nut tightening. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the support base of the utility model;
[0018] Figure 3 It is a structural schematic diagram of the connection between the rotating seat and the first transmission gear of the utility model;
[0019] Figure 4 It is a schematic diagram of the structure of the connection between the plurality of transmission gears and the first transmission gear of the utility model.
[0020] In the figure: 1. fixed frame; 2. rotating seat; 3. knob; 4. supporting base; 5. connecting seat; 6. positioning clamp; 7. connecting spring; 8. transmission wheel; 9. first transmission gear; 10. second transmission gear; 11. rotating groove; 12. transmission belt. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figure 1-4The utility model provides a technical solution: a railway locomotive bolt fastening device that can unify the direction of nuts for multiple bolts, comprising a fixing frame 1, two supporting bases 4 are arranged on both sides of the fixing frame 1, a connecting seat 5 is arranged on the outer side of the fixing frame 1 opposite to the supporting base 4, one end of the connecting seat 5 extends to the inner side of the supporting base 4, the fixing frame 1 and the connecting seat 5 are an integrated structure, an insert block is arranged at the rear end of the connecting seat 5, one end of the insert block is located on the inner side of the supporting base 4 and is provided with a slot, a spring is arranged at the bottom end of the inner wall of the slot, the connecting seat 5 is movably connected to the supporting base 4 through the spring, a positioning clamp 6 is arranged at the bottom end of the supporting base 4, the bottom end of the positioning clamp 6 penetrates the supporting base 4 and extends to the inner side of the supporting base 4, the opposite surface of the positioning clamp 6 and the supporting base 4 is located on the inner side of the supporting base 4 and is provided with a connecting spring 7, the positioning clamp 6 is movably connected to the supporting base 4 through the connecting spring 7, and then the fixing frame 1 can be placed on the bolt fastening position of the railway locomotive, and then the fixing frame 1 and the railway locomotive are fixed by the supporting base 4 and the positioning clamp 6;
[0023] Eight rotating seats 2 are evenly arranged on the inner wall of the fixing frame 1. The bottom end of the rotating seat 2 is located inside the fixing frame 1 and a rotating groove 11 is arranged. The bottom end of the rotating seat 2 extends to the inside of the rotating groove 11, and the nuts can be placed in batches through the rotating seat 2.
[0024] A knob 3 is provided at the top of the fixing frame 1, and the bottom end of the knob 3 passes through the fixing frame 1 and extends to one side of one of the rotating seats 2. The bottom end of the knob 3 is located on the inner side of the fixing frame 1 and is provided with a first transmission gear 9. The number of the first transmission gears 9 and the rotating seat 2 is the same, and the first transmission gear 9 is located in front of the rotating seat 2. The outer side of the first transmission gear 9 is located at the bottom end of the rotating seat 2 and is provided with a second transmission gear 10. The first transmission gear 9 and the second transmission gear 10 are meshed with each other. A transmission wheel 8 is provided at the upper end of the first transmission gear 9, and a transmission belt 12 is provided on the inner side of the transmission wheel 8. The transmission wheels 8 are connected in parallel through the transmission belt 12, and then when the knob 3 is rotated, the knob 3 drives the other first transmission gears 9 to rotate simultaneously through the transmission wheel 8 and the transmission belt 12, and when the first transmission gears 9 rotate simultaneously, the first transmission gear 9 drives the nuts inside the rotating seat 2 through the second transmission gear 10 to perform batch tightening operations.
[0025] During operation, the fixing frame 1 is placed at the bolt fastening position of the railway locomotive, and then the fixing frame 1 and railway locomotives of different sizes are fixed by the supporting base 4 and the positioning clamp 6 to improve the applicability of the device, and then the nuts in the same direction are sequentially placed in the rotating seat 2 in the fixing frame 1. There are eight rotating seats 2, so that the nuts can be placed in batches, and then the knob 3 at the top of the rotating frame 1 is rotated. The knob 3 drives the other first transmission gears 9 to rotate simultaneously through the transmission wheel 8 and the transmission belt 12. When the first transmission gears 9 rotate simultaneously, the first transmission gear 9 drives the nuts inside the rotating seat 2 through the second transmission gear 10 to perform batch tightening operations, thereby improving the working efficiency of nut tightening.
[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
Claims
1. A railway locomotive bolt fastening device capable of unifying the orientation of nuts on multiple bolts, comprising a fixing frame (1), characterized in that: Two support bases (4) are provided on both sides of the fixing frame (1); a connecting seat (5) is provided on the outer side of the fixing frame (1) opposite to the support base (4); one end of the connecting seat (5) extends to the inner side of the support base (4); a positioning clamp (6) is provided at the bottom end of the support base (4); eight rotating seats (2) are evenly provided on the inner wall of the fixing frame (1); a knob (3) is provided at the top end of the fixing frame (1); the bottom end of the knob (3) passes through the fixing frame (1) and extends to one side of one of the rotating seats (2).
2. A railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts according to claim 1, characterized in that: The bottom end of the positioning clamp (6) passes through the support base (4) and extends to the inner side of the support base (4); the opposing surfaces of the positioning clamp (6) and the support base (4) are located on the inner side of the support base (4); a connecting spring (7) is provided; and the positioning clamp (6) is movably connected to the support base (4) via the connecting spring (7).
3. A railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts according to claim 1, characterized in that: The fixing frame (1) and the connecting seat (5) are an integrated structure. The rear end of the connecting seat (5) is provided with an insert block. One end of the insert block is located on the inner side of the supporting base (4) and is provided with a slot. The bottom end of the inner wall of the slot is provided with a spring. The connecting seat (5) is movably connected to the supporting base (4) via the spring.
4. A railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts according to claim 1, characterized in that: The bottom end of the rotating seat (2) is located on the inner side of the fixed frame (1) and is provided with a rotating groove (11), and the bottom end of the rotating seat (2) extends to the inner side of the rotating groove (11).
5. The railway locomotive bolt fastening device capable of unifying the nut orientation of multiple bolts according to claim 1, characterized in that: The bottom end of the knob (3) is located on the inner side of the fixed frame (1) and is provided with a first transmission gear (9), the number of the first transmission gear (9) and the number of the rotating seat (2) are the same, and the first transmission gear (9) is located in front of the rotating seat (2).
6. A railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts according to claim 5, characterized in that: A second transmission gear (10) is provided on the outer side of the first transmission gear (9) at the bottom end of the rotating seat (2), and the first transmission gear (9) and the second transmission gear (10) are meshed with each other.
7. A railway locomotive bolt fastening device capable of unifying the orientation of nuts of multiple bolts according to claim 5, characterized in that: A transmission wheel (8) is provided at the upper end of the first transmission gear (9), a transmission belt (12) is provided on the inner side of the transmission wheel (8), and the transmission wheels (8) are connected in parallel via the transmission belt (12).
Citation Information
Patent Citations
Special-shaped bolt fastener
CN220101746U