Tractor auxiliary safety frame and tractor
By installing mounting brackets on the tractor chassis and rear fenders and adding an intermediate support structure, the problem of insufficient strength of existing tractor auxiliary safety frames has been solved, achieving better driver protection and space utilization.
Patent Information
- Application Number
- CN202520191904.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Most existing tractor auxiliary safety frames are fixed at a single point, which is not strong enough to effectively protect the driver, especially during rollovers and reversing, which can easily lead to injury.
Design a tractor auxiliary safety frame by installing first and second fixed seats on the chassis and rear fender, and adding a back protection beam and accessory fixing plate in the middle part to enhance the fixing strength and lateral support, and reduce the force arm.
The auxiliary safety frame has improved fixation strength and stability, effectively protecting the driver, reducing the force during rollovers and reversing, providing a safer operating environment, and saving space.
Smart Images

Figure CN223778328U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tractor safety frame technical field especially relates to a tractor auxiliary safety frame and tractor. BACKGROUND
[0002] Auxiliary safety frame is an important component of part tractor, especially floor model, orchard model and other non-cab models. In tractor rollover, tumbling and other accidents, effectively block the extrusion of external objects to the driver, significantly reduce the risk of injury to the driver, at the same time, in the process of reversing, also can prevent the improper operation of the driver from causing physical harm, is the key device to protect life safety. At present, part of the tractors on the market are also non-cab models, part of which contains auxiliary safety frame, most of which is single-point fixed, only fixed on the tractor chassis, and the strength performance is not perfect. Weak strength. INVENTION CONTENTS
[0003] The utility model solves the technical problem in the prior art and provides a tractor auxiliary safety frame and a tractor.
[0004] The utility model solves the technical problems and provides a tractor auxiliary safety frame, which comprises: a back protection bent beam, a first fixing seat for connecting with a chassis and a second fixing seat for connecting with a tractor, the first fixing seat is installed at the bottom of the back protection bent beam, and the second fixing seat is installed at the middle of the back protection bent beam.
[0005] The utility model has the beneficial effects that the auxiliary safety frame is fixedly connected with the chassis through the first fixing seat, and the second fixing seat of the auxiliary safety frame is fixedly connected with the tractor. By installing the tractor auxiliary safety frame on the tractor chassis and the rear mudguard, the fixing strength of the auxiliary safety frame is strengthened, and the driver is better protected. The strength of the safety frame is increased from the middle part by fixing the middle part with the mudguard of the tractor, the force arm of the rear of the auxiliary safety frame is reduced, and thus the stress of the auxiliary safety frame is reduced. The middle part of the back protection bent beam is provided with a lateral support, so that the auxiliary safety frame is more firm, and the ability of bearing lateral tension and pressure is greatly increased.
[0006] Further, the middle part of the back protection bent beam is provided with an accessory fixing plate for installing parts, and the accessory fixing plate is located above the second fixing seat.
[0007] The beneficial effects of the further technical scheme are: on the basis of the original technology, the protection of the driver's accommodation area is increased, and the strength of the safety frame is also increased. The accessory fixing plate is added to the back, which provides safety protection for the driver and saves space, providing more sufficient space for the pursuit of smaller overall size of small and medium-sized models. When the tractor reverses and hits the object behind, it can effectively prevent the relative displacement of the object behind and the tractor from causing the driver to be squeezed, and can well protect the driver's accommodation area. The accessory fixing plate can resist the intrusion of sharp objects behind the driver's accommodation area, providing a safer operating environment for the driver. The middle part is configured with a back-mounted accessory fixing plate, which protects the driver while saving space.
[0008] Further, the two ends of the accessory fixing plate are respectively connected with the middle part of the back protection bent beam, the accessory fixing plate is provided with a clamping groove, and the accessory fixing plate is connected with the back protection bent beam through the clamping groove.
[0009] The beneficial effects of the further technical scheme are: the accessory fixing plate can be used to fix some parts to save design space. The middle part is configured with a back-mounted accessory fixing plate, which protects the driver while saving space.
[0010] Further, the number of the first fixing seat is two, and the number of the second fixing seat is two. The two first fixing seats are respectively installed on the bottom of the back protection bent beam, and the two second fixing seats are respectively installed on the middle part of the back protection bent beam.
[0011] The beneficial effects of the further technical scheme are: the first fixing seat is symmetrically arranged left and right of the center of the back protection bent beam, and the second fixing seat is symmetrically arranged left and right of the center of the back protection bent beam. The stability and reliability are improved, and the shaking of the tractor auxiliary safety frame is prevented. The middle part of the back protection bent beam is increased with a lateral support, which can make the auxiliary safety frame more firm and greatly increase the ability to bear lateral tension and pressure.
[0012] Further, the first fixing seat is installed on the chassis, and the second fixing seat is installed on the fender.
[0013] The beneficial effects of the further technical scheme are: by installing the tractor auxiliary safety frame on the tractor chassis and the rear fender, the fixing strength of the auxiliary safety frame is strengthened, and the driver is better protected. The middle part is fixedly connected with the fender of the tractor, which can increase the strength of the safety frame from the middle part, and reduce the force arm of the rear force of the auxiliary safety frame, thereby reducing the stress of the auxiliary safety frame.
[0014] Further, the chassis is a rear axle housing or a rear drive axle housing.
[0015] The beneficial effect of the further technical scheme is that the chassis can provide sufficient strength support for the tractor auxiliary safety frame.
[0016] Further, the second fixing seat is connected with the mudguard by bolts or welding.
[0017] The beneficial effect of the further technical scheme is that the second fixing seat is stably connected with the mudguard, and the user can select the connection mode according to actual needs.
[0018] Further, the back protection bent beam is in a U-shaped structure, and the second fixing seat is a U-shaped plate.
[0019] The beneficial effect of the further technical scheme is that the back protection bent beam is in a U-shaped structure, the tractor auxiliary safety frame is adapted to the seat, and the driver's accommodation area is protected. The second fixing seat is a U-shaped plate, the middle part of the tractor auxiliary safety frame is connected with the tractor, the strength of the safety frame is increased from the middle part, the force arm of the rear force of the auxiliary safety frame is reduced, and thus the stress of the auxiliary safety frame is reduced.
[0020] Further, the first fixing seat is provided with a reinforcing rib.
[0021] The beneficial effect of the further technical scheme is that the reinforcing rib improves the strength of the first fixing seat, and improves the stability and reliability of the tractor auxiliary safety frame.
[0022] In addition, the utility model provides a tractor which comprises the tractor auxiliary safety frame of any one of the above.
[0023] The beneficial effect of the technical scheme of the utility model is that the auxiliary safety frame is fixedly connected with the chassis through the first fixing seat, and the second fixing seat of the auxiliary safety frame is fixedly connected with the tractor. The auxiliary safety frame is installed on the chassis and the rear mudguard of the tractor, the fixing strength of the auxiliary safety frame is improved, the driver is better protected, the middle part of the auxiliary safety frame is fixedly connected with the mudguard of the tractor, the strength of the safety frame is increased from the middle part, the force arm of the rear force of the auxiliary safety frame is reduced, and thus the stress of the auxiliary safety frame is reduced. The middle part of the back protection bent beam is provided with a lateral support, the auxiliary safety frame is more firm, and the ability of bearing lateral tension and pressure is greatly improved.
[0024] The advantages of the additional aspects of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The structure schematic view of the tractor auxiliary safety frame is provided for the embodiment of the utility model.
[0026] Figure 2 The structure schematic view of the tractor auxiliary safety frame is provided for the embodiment of the utility model.
[0027] Figure 3 The structure schematic view of the tractor auxiliary safety frame is provided for the embodiment of the utility model.
[0028] Figure 4 The use state schematic view of the tractor auxiliary safety frame is provided for the embodiment of the utility model.
[0029] The drawing number explanation: 1, first fixed seat; 2, second fixed seat; 3, accessory fixed plate; 4, back protection bent beam; 5, chassis; 6, rear drive axle; 7, driver's shelter area; 8, seat. DETAILED DESCRIPTION
[0030] The principles and characteristics of the utility model are described below in combination with the drawings, and the embodiment is only used to explain the utility model and is not used to limit the scope of the utility model.
[0031] As Figures 1 to 4 shown, the utility model embodiment provides a kind of tractor auxiliary safety frame, comprising: back protection bent beam 4, first fixed seat 1 for being connected with chassis 5 and second fixed seat 2 for being connected with tractor, the first fixed seat 1 is installed in the bottom of the back protection bent beam 4, and the second fixed seat 2 is installed in the middle part of the back protection bent beam 4.
[0032] The beneficial effects of the utility model technical scheme are: auxiliary safety frame is fixedly connected with chassis by first fixed seat, and the second fixed seat of auxiliary safety frame is fixedly connected with tractor.By installing tractor auxiliary safety frame on tractor chassis and rear mudguard, the fixing strength of auxiliary safety frame is strengthened, and the driver is better protected.By the fixed connection of middle part and the mudguard of tractor, the strength of safety frame can be increased from the middle part, the force arm of rear force of auxiliary safety frame is reduced, and then the stress of auxiliary safety frame is reduced.The middle part of back protection bent beam is increased with lateral support, so that auxiliary safety frame is more firm, and the ability of lateral tension and compression is greatly increased.
[0033] On the basis of original technology, the protection of driver's shelter area 7 is increased, and the strength of safety frame is strengthened.
[0034] Among them, tractor auxiliary safety frame can be adjacent seat 8 setting.
[0035] As Figures 1 to 4As shown, further, the middle part of the back protection curved beam 4 is provided with an accessory fixing plate 3 for mounting parts, and the accessory fixing plate 3 is located above the second fixing seat 2.
[0036] The beneficial effect of the above further technical scheme is that the protection of the driver's accommodation area is increased on the basis of the original technology, and the strength of the safety frame is also increased. The accessory fixing plate is added to the back part to provide safety protection for the driver while saving space, and to provide more sufficient space for pursuing smaller overall size of small and medium-sized models. When the tractor reverses and hits the object behind, the relative displacement of the object behind and the tractor during reversing can effectively prevent the driver from being squeezed, and the driver's accommodation area can be well protected. The accessory fixing plate can resist the intrusion of the sharp object behind the driver's accommodation area, and can provide a safer operating environment for the driver. The middle part is provided with a back-mounted accessory fixing plate to protect the driver while saving space.
[0037] As shown in Figures 1 to 4 further, both ends of the accessory fixing plate 3 are connected with the middle part of the back protection curved beam 4 respectively, the accessory fixing plate 3 is provided with a clamping groove, and the accessory fixing plate 3 is connected with the back protection curved beam 4 through the clamping groove. The accessory fixing plate 3 is provided with a mounting hole and a mounting groove.
[0038] The beneficial effect of the above further technical scheme is that the accessory fixing plate can be used to fix some parts to save design space. The middle part is provided with a back-mounted accessory fixing plate to protect the driver while saving space.
[0039] As shown in Figures 1 to 4 further, the number of the first fixing seat 1 is two, and the number of the second fixing seat 2 is two. The two first fixing seats 1 are respectively installed on the bottom of the back protection curved beam 4, and the two second fixing seats 2 are respectively installed on the middle part of the back protection curved beam 4.
[0040] The beneficial effect of the above further technical scheme is that the first fixing seat is symmetrically arranged on the left and right sides of the center of the back protection curved beam, and the second fixing seat is symmetrically arranged on the left and right sides of the center of the back protection curved beam. The stability and reliability are improved to prevent the auxiliary safety frame of the tractor from shaking. The middle part of the back protection curved beam is provided with a lateral support to make the auxiliary safety frame more firm and greatly increase the ability to bear lateral tension and pressure.
[0041] As shown in Figures 1 to 4 further, the first fixing seat 1 is installed on the chassis 5, and the second fixing seat 2 is installed on the fender.
[0042] The beneficial effect of the further technical scheme is that the tractor auxiliary safety frame is installed on the tractor chassis and the rear fender, the fixing strength of the auxiliary safety frame is strengthened, and the driver is better protected.
[0043] As shown in Figures 1 to 4 Further, the chassis 5 is a rear axle housing or a rear drive axle housing.
[0044] The beneficial effect of the further technical scheme is that the chassis provides sufficient strength support for the tractor auxiliary safety frame.
[0045] The rear drive axle housing can be a housing of the rear drive axle 6.
[0046] As shown in Figures 1 to 4 Further, the second fixing seat 2 is connected with the fender by bolts or welding.
[0047] The beneficial effect of the further technical scheme is that the second fixing seat is stably connected with the fender, and the user can select the connection mode according to actual needs.
[0048] The second fixing seat is provided with a fixing hole.
[0049] As shown in Figures 1 to 4 Further, the back protection bent beam 4 is a U-shaped structure, and the second fixing seat 2 is a U-shaped plate.
[0050] The beneficial effect of the further technical scheme is that the back protection bent beam is a U-shaped structure, the tractor auxiliary safety frame is adapted to the seat, and the driver's accommodation area is protected. The second fixing seat is a U-shaped plate, the middle part of the tractor auxiliary safety frame is connected with the tractor, the strength of the safety frame is increased from the middle part, the force arm of the rear force of the auxiliary safety frame is reduced, and the stress of the auxiliary safety frame is reduced.
[0051] As shown in Figures 1 to 4 Further, the first fixing seat 1 is provided with a reinforcing rib.
[0052] The beneficial effect of the further technical scheme is that the reinforcing rib improves the strength of the first fixing seat and the stability and reliability of the tractor auxiliary safety frame.
[0053] The embodiment provides a tractor auxiliary safety frame, which is installed on a tractor chassis (chassis 5) and a rear fender (fender), strengthens fixing strength of the auxiliary safety frame (tractor auxiliary safety frame), plays a better protection role on a driver, meanwhile, a back accessory fixing plate is added, space is saved for the driver, and more sufficient space is provided for pursuing smaller overall dimensions of a small and medium-sized machine.
[0054] The auxiliary safety frame (tractor auxiliary safety frame) comprises a first fixing base 1, a second fixing base 2, an accessory fixing plate 3 and a back protection bent beam 4.
[0055] The auxiliary safety frame (tractor auxiliary safety frame) is made of integral welding material, is convenient for forming, is simple to process, and is firm in structure, when a tractor reverses and collides with an object behind, can effectively prevent relative displacement of the object behind and the tractor from causing extrusion on a driver, and can well protect a driver's accommodation area.
[0056] The auxiliary safety frame comprises the first fixing base 1, the back protection bent beam 4, the second fixing base 2 and the accessory fixing plate 3, and the auxiliary safety frame is integrally welded, that is, the first fixing base 1 is fixedly connected with the back protection bent beam 4, the back protection bent beam 4 is fixedly connected with the second fixing base 2, and the back protection bent beam 4 is further fixedly connected with the accessory fixing plate 3.
[0057] The first fixing base (first fixing base 1) is symmetrically arranged left and right around the center of the back protection bent beam 4, and the second fixing base 2 is symmetrically arranged left and right around the center of the back protection bent beam 4.
[0058] The auxiliary safety frame is fixedly connected with the chassis through the first fixing base 1, and the second fixing base 2 of the auxiliary safety frame is fixedly connected with the tractor.
[0059] The chassis can be a rear axle housing or a rear drive axle housing and the like, and has sufficient strength support. The second fixing base 2 of the auxiliary safety frame can be fixedly connected with the fender of the tractor, and can be connected in a bolted or welded manner. The fixing connection of the auxiliary safety frame (tractor auxiliary safety frame) with the fender of the tractor from the middle part can increase the strength of the auxiliary safety frame (tractor auxiliary safety frame) from the middle part, and the force arm of force acting on the rear of the auxiliary safety frame is reduced, and then the force acting on the auxiliary safety frame is reduced.
[0060] The middle upper part of the auxiliary safety frame is provided with the accessory fixing plate 3, one end of the accessory fixing plate 3 is fixedly connected with one side of the back protection bent beam 4, and the other end of the accessory fixing plate 3 is fixedly connected with the other side of the back protection bent beam 4.
[0061] The accessory fixing plate 3 can be used for fixing some parts to save design space, and the middle part of the back protection bent beam 4 is additionally provided with lateral support, so that the auxiliary safety frame is more firm and the ability of bearing lateral tension and pressure is greatly increased.
[0062] In addition, the accessory fixing plate 3 can resist the invasion of the rear sharp object into the driver accommodation area 7, and can provide a safer operating environment for the driver.
[0063] In summary, the auxiliary safety frame of the tractor is more safe and reliable, and the back protection bent beam is fixed to the floor to strengthen the fixing strength of the auxiliary safety frame and better protect the driver.
[0064] 1. The middle part of the auxiliary safety frame on both sides is provided with a fixing point (second fixing seat), which can be fixed to the tractor (which can be a fender or other part of the tractor that can be rigidly connected with the fixing point).
[0065] 2. The middle part is provided with a back-mounted accessory fixing plate to protect the driver and save space.
[0066] In addition, the utility model provides a tractor which comprises the auxiliary safety frame of the tractor according to any one of the preceding embodiments.
[0067] The auxiliary safety frame is fixedly connected with the bottom plate through the first fixing seat, and the second fixing seat of the auxiliary safety frame is fixedly connected with the tractor. By installing the auxiliary safety frame of the tractor on the bottom plate and the rear fender of the tractor, the fixing strength of the auxiliary safety frame is strengthened, and the driver is better protected. The middle part is fixedly connected with the fender of the tractor to increase the strength of the safety frame from the middle part, reduce the force arm of the rear of the auxiliary safety frame, and further reduce the stress of the auxiliary safety frame. The middle part of the back protection bent beam is additionally provided with lateral support, so that the auxiliary safety frame is more firm and the ability of bearing lateral tension and pressure is greatly increased.
[0068] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.
Claims
1. A tractor-assisted safety cage, characterized in that, The utility model relates to a kind of safety frame for tractor, including: Back protection bending beam, first fixed seat for connecting with chassis and second fixed seat for connecting with tractor, the first fixed seat is installed in the bottom of the back protection bending beam, the second fixed seat is installed in the middle of the back protection bending beam;The middle of the back protection bending beam is equipped with accessory fixed plate for installing spare parts, the accessory fixed plate is located above the second fixed seat;Two ends of the accessory fixed plate are connected with the middle of the back protection bending beam respectively, the accessory fixed plate is equipped with clamping groove, the accessory fixed plate is connected with the back protection bending beam by clamping groove, and the accessory fixed plate is equipped with mounting hole and mounting slot.
2. A tractor auxiliary safety frame according to claim 1, characterised in that, The number of the first fixed seat is two, and the number of the second fixed seat is two, two first fixed seats are installed on both sides of the bottom of the back protection bending beam respectively, and two second fixed seats are installed on both sides of the middle of the back protection bending beam respectively.
3. A tractor auxiliary safety frame according to claim 1, wherein The first fixed seat is installed on the chassis, and the second fixed seat is installed on the fender.
4. A tractor auxiliary safety frame according to claim 3, characterised in that, The chassis is a rear axle housing or a rear drive axle housing.
5. A tractor auxiliary safety frame according to claim 3, wherein The second fixed seat is connected with the fender by bolts or welding.
6. A tractor auxiliary safety frame according to claim 1, wherein, The back protection bending beam is a U-shaped structure, and the second fixed seat is a U-shaped plate.
7. The tractor auxiliary safety frame of claim 1, wherein, The first fixed seat is provided with a reinforcing rib.
8. A tractor characterised in that, The utility model relates to a kind of safety frame for tractor, including any one of the above claims 1 to 7.