CN220842667U - Engineering truck steering mechanism with height-adjustable wheels - Google Patents
Engineering truck steering mechanism with height-adjustable wheels Download PDFInfo
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- CN220842667U CN220842667U CN202322872109.1U CN202322872109U CN220842667U CN 220842667 U CN220842667 U CN 220842667U CN 202322872109 U CN202322872109 U CN 202322872109U CN 220842667 U CN220842667 U CN 220842667U
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- gyration
- front axle
- pull rod
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000006558 Dental Calculus Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses an engineering truck steering mechanism with an adjustable wheel height, which comprises an adjusting device, wherein a steering pull rod is arranged outside the adjusting device, a steering oil cylinder is fixedly connected to the outer surface of the steering pull rod, a supporting frame is arranged outside the steering oil cylinder, and a steering device is arranged outside the steering oil cylinder. The device is through setting up steering device, steering rod drives movable gyration otic placode and slides, movable gyration otic placode drives gyration hexagonal angle steel and rotates along with it, gyration hexagonal angle steel vertically passes fixed cover and movable gyration otic placode, the front axle head rotates on the cooperation bearing, realize rotating on outer frame, the influence along with the wheel height change, realize that the tire goes up and down and walk on the basis that does not influence the steering, when two wheels on one side climb on the curb, the wheel on the other side can rise and reach the horizontally purpose of vehicle, do not influence the steering, the purpose of turning has been reached.
Description
Technical Field
The utility model relates to the technical field of machining and manufacturing, in particular to an engineering truck steering mechanism with an adjustable wheel height.
Background
At present, in order to save structural space, a general steering pull rod is adopted in the steering mechanism of engineering machinery products, namely one end of the steering pull rod is connected with the steering arm of the left axle, and one end of the steering pull rod is connected with the steering arm of the right axle. The steering gear drives the bridge to rotate, so that the space occupied by the structure is larger, the steering pull rod is longer, and the ground clearance is smaller; the front axle of the existing product adopts an integral hydraulic power-assisted steering gear, the hydraulic power-assisted acting force is small, the steering wheel operating force is large, and the driving is tired; the rear axle of the existing product has no steering mechanism, and has larger turning radius and low working efficiency during loading operation
In the prior art, for example, the Chinese patent number is: one end of a first steering oil cylinder and one end of a second steering oil cylinder are hinged to the middle of a front axle housing, and the other end of the first steering oil cylinder and the other end of the second steering oil cylinder are hinged to a first wheel steering knuckle arm and a second wheel steering knuckle arm; the first end of the first wheel knuckle arm is connected with the front axle transmission mechanism; the second end of the first wheel knuckle arm is hinged to the first end of the first steering pull rod; the second end of the first steering pull rod is hinged with the lower end of the first pull rod steering rocker arm and the first end of the front axle adjustable steering pull rod; the second end of the second wheel knuckle arm is hinged to the first end of the second tie rod; the second end of the second steering pull rod is hinged with the lower end of the second pull rod steering rocker arm and the second end of the front axle adjustable steering pull rod; the upper end of the first pull rod steering rocker arm and the upper end of the second pull rod steering rocker arm are hinged on the front axle housing. The steering pull rod adopts three, the two ends of the steering pull rod are not adjustable, the middle part of the steering pull rod is adjustable, the steering structure can be conveniently and once adjusted, and the toe-in values of the front axle and the rear axle are adjusted.
However, in the prior art, when the conventional engineering vehicle steering structure is used, due to the reasons of road politics engineering construction, when the engineering vehicle is only on the road tartar on one side and is constructed on the conventional road surface on the other side, the vehicle can incline, workers are required to lay the other side on the ground continuously, a large amount of labor cost is wasted, materials required for paving are wasted, and when wheels on the lower side are raised after the pavement, the steering of the vehicle is affected, so that the working efficiency of equipment is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model solves the technical problems by adopting the following technical scheme: the utility model provides a wheel height-adjustable's engineering truck steering mechanism, includes adjusting device, adjusting device's outside is provided with the steering pull rod, the surface fixedly connected with steering cylinder of steering pull rod, steering cylinder's outside is provided with the support frame, support frame surface and steering pull rod's surface fixed connection, the surface and the adjusting device's of support frame surface fixed connection, steering cylinder's outside is provided with steering device, steering device's surface and steering pull rod's surface fixed connection, steering device's surface and the surface fixed connection of support frame, steering cylinder drives the steering pull rod, and the steering pull rod drives movable gyration otic placode and slides.
Preferably, the steering device comprises a lock nut, the outer surface of the lock nut is fixedly connected with a deep groove ball bearing, the outer surface of the deep groove ball bearing is rotationally connected with a tire, and the lock nut is arranged on the deep groove ball bearing.
Preferably, the outer surface fixedly connected with front axle sleeve of tire, the surface fixedly connected with brake block of front axle sleeve, the internal surface of front axle sleeve and the surface fixedly connected with of deep groove ball bearing, the internal surface fixedly connected with connecting bearing of front axle sleeve, deep groove ball bearing, connecting bearing and brake block are installed on front axle sleeve, install the tire on front axle sleeve, realize the driven walking of tire.
Preferably, the inner surface of the lock nut is fixedly connected with a front shaft head, the inner surface of the front shaft head is fixedly connected with a matched bearing, the inner surface of the matched bearing is fixedly connected with a fixing rod, and the lock nut is screwed on the front shaft head.
Preferably, the adjusting device comprises a hydraulic cylinder, the lower surface of the hydraulic cylinder is fixedly connected with an inner frame, the outer surface of the hydraulic cylinder is fixedly connected with an outer frame, the inner surface of the outer frame is slidably connected with the outer surface of the inner frame, the outer surface of the outer frame is fixedly connected with the outer surface of a fixing rod, the inner frame and the outer frame can be pushed to move oppositely through the hydraulic cylinder on the adjusting device, one end of a pin shaft is welded on a supporting frame, the other end of the pin shaft is connected with the inner frame through a flat key, the inner frame is fixed on the supporting frame, a tire is fixed on the outer frame, when the hydraulic cylinder moves, the tire can ascend and descend along with the inner frame, the vertical direction of the tire is fixed with the inner frame, a front shaft head rotates on a matched bearing, and the front shaft head is limited through the fixing rod so as to rotate on the outer frame.
Preferably, the outer surface fixedly connected with round pin axle of support frame, the surface of round pin axle and the surface fixed connection of inner frame, the internal surface fixedly connected with gyration hexagonal angle steel of front axle head, the surface rotation of gyration hexagonal angle steel is connected with the fixed cover, the surface of fixed cover and the surface fixed connection of round pin axle, fixed cover upper surface fixedly connected with activity gyration otic placode, the surface fixedly connected with gyration otic placode fixing base of activity gyration otic placode, the surface of gyration otic placode fixing base and the surface fixed connection of fixed cover, gyration otic placode drives gyration hexagonal angle steel and rotates, and gyration hexagonal angle steel is fixed on front axle head with the screw, and gyration hexagonal angle steel is rotated together with it, and fixed cover lock round pin axle makes it can not drop, and gyration hexagonal angle steel vertically passes fixed cover and activity gyration otic placode, makes the gyration otic placode fixing base on the turning device push down activity gyration otic placode lock on the fixed cover.
The beneficial effects of the utility model are as follows:
1. According to the utility model, the steering device is arranged, the steering oil cylinder drives the steering pull rod, the steering pull rod drives the movable rotary lug plate to slide, the movable rotary lug plate drives the rotary hexagonal steel to rotate and rotate along with the movable rotary lug plate, the fixed sleeve locks the pin shaft to prevent the pin shaft from falling off, and the rotary hexagonal steel vertically passes through the fixed sleeve and the movable rotary lug plate, so that the rotary lug plate fixing seat on the steering device presses the movable rotary lug plate to be locked on the fixed sleeve. The front axle head rotates on the matched bearing, so that the front axle head rotates on the outer frame, the steering is realized in the horizontal direction, meanwhile, the influence of the change of the height of wheels is avoided, workers do not need to lay flat constantly, the working cost is saved, the tires are lifted and run on the basis that the steering is not influenced, and when two wheels on one side climb onto the curb, the wheels on the other side can ascend to reach the purpose of vehicle level, and meanwhile, the steering is not influenced.
2. According to the utility model, the adjusting device is arranged, the inner frame and the outer frame are pushed to move in opposite directions through the hydraulic oil cylinder on the adjusting device, one end of the pin shaft is welded on the supporting frame, the other end of the pin shaft is connected with the inner frame through the flat key, so that the inner frame is fixed on the supporting frame, the outer frame is fixed with the tire, and when the oil cylinder moves, the tire can ascend and descend along with the ascending and descending of the tire, and the height of the wheel is adjusted by adopting hydraulic power, so that the problem of high-intensity labor is solved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a left side view of the present utility model;
FIG. 5 is a schematic view of the steering device of the present utility model;
FIG. 6 is a schematic view of the front sleeve and its exterior configuration of the present utility model;
Fig. 7 is a schematic structural view of the adjusting device of the present utility model.
In the figure: 1. an adjusting device; 2. a steering tie rod; 3. a steering cylinder; 4. a support frame; 5. a steering device; 6. a lock nut; 7. deep groove ball bearings; 8. a tire; 9. a front sleeve; 10. connecting a bearing; 11. a brake pad; 12. a front axle head; 13. a movable rotary ear plate; 14. a rotary ear plate fixing seat; 15. matching with a bearing; 16. a fixed rod; 17. a hydraulic cylinder; 18. an inner frame; 19. a pin shaft; 20. an outer frame; 21. gyrating the hexagonal steel; 22. and (5) fixing the sleeve.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples:
Referring to fig. 1 to 7, the present utility model provides a technical solution: the utility model provides a wheel height-adjustable's engineering truck steering mechanism, including adjusting device 1, adjusting device 1's outside is provided with steering rod 2, steering rod 2's surface fixedly connected with steering cylinder 3, steering cylinder 3's outside is provided with support frame 4, support frame 4 surface and steering rod 2's surface fixed connection, support frame 4's surface and adjusting device 1's surface fixed connection, steering cylinder 3's outside is provided with steering device 5, steering device 5's surface and steering rod 2's surface fixed connection, steering device 5's surface and support frame 4's surface fixed connection, steering device 5 includes lock nut 6, lock nut 6's surface fixed connection deep groove ball bearing 7, deep groove ball bearing 7's surface rotation is connected with tire 8, tire 8's surface fixed connection front axle sleeve 9, front axle sleeve 9's surface fixed connection brake block 11, front axle sleeve 9's internal surface and deep groove ball bearing 7's surface fixed connection, front axle sleeve 9's internal surface fixed connection has connecting bearing 10.
The inner surface of lock nut 6 is fixedly connected with front axle head 12, the inner surface of front axle head 12 is fixedly connected with mating bearing 15, the inner surface of mating bearing 15 is fixedly connected with dead lever 16, adjusting device 1 includes hydraulic cylinder 17, the lower surface fixedly connected with inner frame 18 of hydraulic cylinder 17, the surface fixedly connected with outer frame 20 of hydraulic cylinder 17, the inner surface of outer frame 20 and the surface sliding connection of inner frame 18, the surface of outer frame 20 and the surface fixedly connected with dead lever 16, the surface fixedly connected with round pin axle 19 of support frame 4, the surface of round pin axle 19 and the surface fixedly connected with inner frame 18 of front axle head 12, the inner surface fixedly connected with gyration hexagonal steel 21 of front axle head, the surface rotation of gyration hexagonal steel 21 is connected with fixed cover 22, the surface of fixed cover 22 and the surface fixedly connected with movable gyration otic placode 13 of fixed cover 22, the surface fixedly connected with gyration otic placode fixing base 14 of movable gyration otic placode, the surface of gyration otic placode fixing base 14 and the surface fixedly connected with of fixed cover 22.
Working principle:
When the steering device is used, the lock nut 6 is screwed on the front shaft head 12, the deep groove ball bearing 7, the connecting bearing 10 and the brake block 11 are arranged on the front shaft sleeve 9, the tire 8 is arranged on the front shaft sleeve 9, the driven walking of the tire 8 is realized, the steering cylinder 3 drives the steering pull rod 2, the steering pull rod 2 drives the movable rotary lug 13 to slide, the movable rotary lug 13 drives the rotary hexagonal steel 21 to rotate, the rotary hexagonal steel 21 is fixed on the front shaft head 12 by a screw and rotates together with the front shaft head 12, the fixed sleeve 22 locks the pin shaft 19 to prevent the pin shaft 19 from falling off, the rotary hexagonal steel 21 vertically passes through the fixed sleeve 22 and the movable rotary lug 13, and the rotary lug fixing seat 14 on the steering device 5 presses the movable rotary lug 13 to be locked on the fixed sleeve 22. The vertical direction of the front axle head 12 is fixed with the inner frame 18, the front axle head 12 rotates on the matched bearing 15, the front axle head is limited by the fixed rod 16, the front axle head rotates on the outer frame 20, the steering is realized in the horizontal direction, and meanwhile, the influence caused by the change of the height of wheels is avoided;
The hydraulic cylinder 17 on the adjusting device 1 can push the inner frame 18 and the outer frame 20 to move oppositely, one end of the pin 19 is welded on the supporting frame 4, the other end of the pin 19 is connected with the inner frame 18 through a flat key, so that the inner frame 18 is fixed on the supporting frame 4, the outer frame 20 is fixed with the tyre 8, and the tyre 8 can ascend and descend along with the movement of the cylinder.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein are implemented by conventional means in the art unless specifically indicated and limited by the context.
Claims (6)
1. The utility model provides a wheel height-adjustable's engineering truck steering mechanism, includes adjusting device (1), its characterized in that: the outside of adjusting device (1) is provided with steering pull rod (2), the surface fastening of steering pull rod (2) is connected with steering cylinder (3), the outside of steering cylinder (3) is provided with support frame (4), the surface of support frame (4) and the surface fastening of steering pull rod (2) are connected, the surface of support frame (4) and the surface fastening of adjusting device (1) are connected, the outside of steering cylinder (3) is provided with steering device (5), the surface of steering device (5) and the surface fastening of steering pull rod (2) are connected, the surface of steering device (5) and the surface fastening of support frame (4) are connected.
2. The wheel height adjustable engineering truck steering mechanism of claim 1, wherein: the steering device (5) comprises a lock nut (6), a deep groove ball bearing (7) is fixedly connected to the outer surface of the lock nut (6), and a tire (8) is rotatably connected to the outer surface of the deep groove ball bearing (7).
3. The wheel height adjustable engineering truck steering mechanism of claim 2, wherein: the outer surface fixedly connected with front axle sleeve (9) of tire (8), the outer surface fixedly connected with brake block (11) of front axle sleeve (9), the inner surface of front axle sleeve (9) is connected with the outer surface fixedly of deep groove ball bearing (7), and the inner surface fixedly connected with of front axle sleeve (9) is connected with connecting bearing (10).
4. The wheel height adjustable engineering truck steering mechanism of claim 2, wherein: the inner surface of lock nut (6) is fixedly connected with front axle head (12), the inner surface of front axle head (12) is fixedly connected with cooperation bearing (15), the inner surface of cooperation bearing (15) is fixedly connected with dead lever (16).
5. The wheel height adjustable engineering truck steering mechanism of claim 4, wherein: the adjusting device (1) comprises a hydraulic oil cylinder (17), an inner frame (18) is fixedly connected to the lower surface of the hydraulic oil cylinder (17), an outer frame (20) is fixedly connected to the outer surface of the hydraulic oil cylinder (17), the inner surface of the outer frame (20) is slidably connected with the outer surface of the inner frame (18), and the outer surface of the outer frame (20) is fixedly connected with the outer surface of the fixing rod (16).
6. The wheel height adjustable engineering truck steering mechanism of claim 4, wherein: the outer surface fixedly connected with round pin axle (19) of support frame (4), the surface of round pin axle (19) and the surface fixed connection of inner frame (18), the internal surface fixedly connected with gyration hexagonal steel (21) of front axle head (12), the surface rotation of gyration hexagonal steel (21) is connected with fixed cover (22), the surface of fixed cover (22) and the surface fixed connection of round pin axle (19), the surface fixed connection of fixed cover (22) has movable gyration otic placode (13), the surface fixed connection of movable gyration otic placode (13) has gyration otic placode fixing base (14), the surface of gyration otic placode fixing base (14) and the surface fixed connection of fixed cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872109.1U CN220842667U (en) | 2023-10-25 | 2023-10-25 | Engineering truck steering mechanism with height-adjustable wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322872109.1U CN220842667U (en) | 2023-10-25 | 2023-10-25 | Engineering truck steering mechanism with height-adjustable wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220842667U true CN220842667U (en) | 2024-04-26 |
Family
ID=90744135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322872109.1U Active CN220842667U (en) | 2023-10-25 | 2023-10-25 | Engineering truck steering mechanism with height-adjustable wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220842667U (en) |
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2023
- 2023-10-25 CN CN202322872109.1U patent/CN220842667U/en active Active
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