Central hinged steering laser leveling machine

Abstract

The utility model discloses a laser leveling machine with a central hinged steering function, and relates to the technical field of concrete construction equipment. The leveling device comprises a vehicle body, one end of the vehicle body is fixedly provided with an adjusting mechanism, one end of the adjusting mechanism is rotationally connected with a leveling frame, the upper surface of the adjusting mechanism is rotationally connected with a connecting rod, one end of the connecting rod is rotationally connected with a telescopic sleeve, and the outer surface of a connecting piece is symmetrically and rotationally connected with correction rods. The leveling device comprises a leveling frame, the leveling frame is provided with two correction rods, one end of each correction rod is rotationally connected with a balance rod, a leveling plate is connected between the lower inner walls of the leveling frame in a sliding mode, and a vibrator is fixedly installed on the upper surface of the leveling plate and rotationally connected with the lower end of the balance rod. Therefore, the effects of improving the adaptability of the leveling plate to uneven road surfaces and improving the flexibility of the leveling frame are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to concrete construction equipment technical field, concretely to a central hinged steering's laser leveling machine. BACKGROUND

[0002] The laser leveling machine is a kind of mechanical equipment for high-precision leveling operation on materials such as concrete in ground construction, and ground leveling operation is a very important link in modern construction. Whether it is industrial plant, commercial building or residential construction, high-quality flat ground is needed to meet the requirements of subsequent construction and use, and laser leveling machine is widely used in industrial plant, warehouse, shopping mall, parking lot, airport runway, highway and other places needing ground leveling construction. Whether it is large commercial building or infrastructure construction, laser leveling machine plays an important role, and can provide a good foundation for subsequent ground decoration and use.

[0003] According to the announcement No. CN207079888U, a kind of laser leveling machine is disclosed, and the technical scheme disclosed in this technology is "a kind of laser leveling machine, it includes axle, wheel, body, support structure, vibration leveling device and body leveling device, the middle part of axle is fixed with body rotation center shaft, the wheel is installed in the both ends of axle, the body is located in the upper of axle, the support structure is installed in the rear of axle, the vibration leveling device is installed in the front of axle, the body leveling device is installed between axle and body, the support structure is used to support body when parking, the vibration leveling device is used for the vibration leveling of material, the body leveling device is used to adjust the balance of body, etc. Technical scheme, the device provided by the utility model has reached the technical effects such as simple structure, convenient scene change, good vibration leveling effect and automatic adjustment of body balance."

[0004] Traditional ground leveling equipment has some limitations, for example, steering is not flexible enough, it is difficult to adapt to complex construction site and different shape ground, leveling precision is not high, ground flatness error is large, which affects the quality of subsequent engineering, and the adaptability of the equipment is poor for uneven road surface, and the leveling effect cannot be automatically adjusted to ensure the leveling effect. UTILITY MODEL CONTENTS

[0005] In order to solve the problems of low flexibility of leveling head and low adaptability of leveling head road surface, the utility model aims at providing a central hinged steering's laser leveling machine.

[0006] To solve the above technical problems, the utility model discloses the following technical scheme: a central hinged steering's laser leveling machine, including the vehicle body, the one end fixed mounting of vehicle body has the adjusting mechanism, the one end of adjusting mechanism is rotatably connected with the leveling frame, the upper surface of adjusting mechanism is rotatably connected with the connecting rod, the one end of connecting rod is rotatably connected with the telescopic sleeve, the lower extreme of telescopic sleeve is fixedly connected with the connecting piece, the outer surface of connecting piece is rotatably connected with the correction rod, and the one end of two correction rods is rotatably connected with the balance bar, and the lower inner wall of leveling frame is rotatably connected with the leveling plate, and the upper surface of leveling plate is fixedly installed with vibrator and rotatably connected with the lower end of balance bar.

[0007] Preferably, the upper surface of the connecting piece is fixedly installed with a telescopic rod, the telescopic rod penetrates the telescopic sleeve, the outer surface of the telescopic rod is sleeved with a first spring, one side of the two balance bars is fixedly connected with a spring sleeve rod, and the outer surfaces of the two spring sleeve rods are commonly sleeved with a second spring.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] The utility model discloses the cooperation of leveling frame inner balance mechanism and adjusting mechanism, and the multiple rotatable connecting components in adjusting mechanism, such as connecting rod, connecting frame and various oil cylinders, can make the attitude of leveling frame automatically adjust according to the ups and downs of the road, adapt to the construction conditions of different terrains, effectively reduce the influence of uneven road on leveling effect, and the structure formed by connecting piece, correction rod, balance bar, spring sleeve rod and spring plays the role of self-adapting balance correction leveling plate during equipment driving and working, can solve the situation of excessive turning amplitude during driving on the uneven road, and is helpful to keep the stability of the leveling plate. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the drawings for the ordinary skilled in the art without creating labor.

[0011] Figure 1 It is the structural schematic diagram of the utility model.

[0012] Figure 2 It is the internal structure schematic diagram of the leveling frame of the utility model.

[0013] Figure 3 It is the partial structure schematic diagram of the leveling frame of the utility model.

[0014] Figure 4This is a schematic diagram of the adjustment mechanism of this utility model.

[0015] In the diagram: 10. Handle; 11. Vehicle body; 12. Control panel; 13. Adjustment mechanism; 14. Leveling frame; 15. Connecting rod; 16. Telescopic sleeve; 17. First spring; 18. Telescopic rod; 19. Connecting piece; 20. Correction rod; 21. Balance rod; 22. Spring sleeve rod; 23. Second spring; 24. Leveling plate; 25. Vibrator; 26. Support rod; 28. Slider; 29. ​​Scraper; 30. Threaded rod; 31. Handwheel; 32. First connecting frame; 33. Connecting rod; 34. Second connecting frame; 35. First tilting cylinder; 36. Second cylinder. 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] Example: Figures 1-4 As shown, this utility model provides a centrally articulated steering laser leveling machine, including a vehicle body 11. A control panel 12 is fixedly installed on one side of the vehicle body 11, and handles 10 are symmetrically fixedly connected thereto. The control panel 12 is used to operate and control the equipment. The operator can set and adjust various functions of the equipment through the control panel 12, including parameters related to the automatic correction and balance of the leveling plate 24, such as the working status of the vibrator 25, to optimize the balance effect of the leveling plate 24. An adjustment mechanism 13 is fixedly installed at one end of the vehicle body 11, and a leveling frame 14 is rotatably connected to one end of the adjustment mechanism 13. Support rods 26 are symmetrically fixedly installed on the upper surface of the leveling frame 14. A laser receiver is fixedly installed at the top of the support rod 26. As a key component for the laser leveling machine to achieve high-precision leveling, the laser receiver determines the leveling benchmark of the equipment by receiving laser signals. A connecting rod 15 is rotatably connected to the upper surface of the adjustment mechanism 13. A telescopic sleeve 16 is rotatably connected to one end of the connecting rod 15. A connector 19 is fixedly connected to the lower end of the telescopic sleeve 16. A correction rod 20 is symmetrically rotatably connected to the outer surface of the connector 19. A balance rod 21 is rotatably connected to one end of each of the two correction rods 20. A leveling plate 24 is slidably connected between the lower inner walls of the leveling frame 14. A vibrator 25 is fixedly installed on the upper surface of the leveling plate 24 and rotatably connected to the lower end of the balance rod 21.

[0018] The upper surface of the connecting piece 19 is fixedly provided with an extension rod 18 penetrating through the extension sleeve 16, and the outer surface of the extension rod 18 is sleeved with a first spring 17, and one side of each of the two balance rods 21 is fixedly connected with a spring sleeve rod 22, and the outer surfaces of the two spring sleeve rods 22 are jointly sleeved with a second spring 23, when the leveling plate 24 is affected by external force of uneven ground, the elastic deformation of the first spring 17 and the second spring 23 can buffer and offset part of the stress from the transverse and longitudinal directions, so that the leveling plate 24 can keep relatively horizontal, thereby ensuring the leveling effect and improving the stability and reliability of the leveling plate 24 during work.

[0019] The adjusting mechanism 13 comprises a first connecting frame 32, one side of the first connecting frame 32 is fixedly connected with the vehicle body 11, the other side of the first connecting frame 32 is symmetrically rotatably connected with two connecting rods 33 and rotatably installed with a first tilting oil cylinder 35, one end of the connecting rod 33 is fixedly connected with a second connecting frame 34, one side of the second connecting frame 34 is rotatably connected with two second oil cylinders 36, the output end of the first tilting oil cylinder 35 is rotatably connected with one side of the second connecting frame 34, and the output ends of the two second oil cylinders 36 are rotatably connected with one end of the second connecting frame 34 and one side of the leveling frame 14. This structure design makes the adjusting mechanism 13 play a key supporting and connecting role in the whole laser leveling machine, and through the rotatable connection of the connecting rod 33, the second connecting frame 34 and the second oil cylinder 36, the angle and height of the leveling frame 14 can be flexibly adjusted according to the construction demand and the ground condition, the first tilting oil cylinder 35 and the second oil cylinder 36 can drive the leveling frame 14 to tilt or rotate through the second connecting frame 34. When the leveling plate 24 is in an unbalanced state, the control system can control the extension and retraction actions of the first tilting oil cylinder 35 and the second oil cylinder 36 to adjust the posture of the leveling frame 14, so as to automatically correct and balance the leveling plate 24 to adapt to different construction demands and ground conditions, and ensure that the leveling plate 24 is always in the best working state.

[0020] The two side inner walls of the screed frame 14 are slidably connected with sliding blocks 28, and the two side inner walls of the screed frame 14 are symmetrically fixedly installed with sliding rails, the outer surfaces of the sliding rails are slidably connected with the sliding blocks 28, the sliding rails provide stable guidance and support for the sliding of the sliding blocks 28 in the screed frame 14, so that the sliding blocks 28 can move stably, and one side of the two sliding blocks 28 is fixedly connected with a scraper 29, one side of the screed frame 14 is threadedly provided with a threaded rod 30, one end of the threaded rod 30 is fixedly connected with the sliding block 28, and the other end of the threaded rod 30 is fixedly sleeved with a hand wheel 31, and the cooperation relationship of the screed frame 14 and the sliding blocks 28, the scraper 29, the threaded rod 30 and the hand wheel 31 and the like is that the sliding blocks 28 slide between the two side inner walls of the screed frame 14, the height position of the sliding blocks 28 can be controlled through the adjustment of the threaded rod 30 and the hand wheel 31, and then the position adjustment of the scraper 29 connected with the sliding blocks 28 is realized. In the process of automatic correction of the screed plate 24, the scraper 29 can preliminarily scrape the concrete on the ground in advance, remove the excess material, so that the screeding work of the screed plate 24 is more efficient and more accurate, and the working burden of the screed plate 24 can be reduced, which is helpful to maintain the balance state of the screed plate 24.

[0021] Working principle: The laser screed machine determines the working plane of the screed machine through the laser receiver receiving the laser signal. In the device, the laser receiver is arranged at the top end of the support rod 26 symmetrically installed on the upper surface of the screed frame 14, which monitors the height change of the screed frame 14 relative to the laser reference plane in real time. When the screed plate 24 needs to be adjusted in height, the adjusting mechanism 13 plays a role. The first connecting frame 32 in the adjusting mechanism 13 is fixed with the vehicle body 11, and through the connecting rod 33, the second connecting frame 34 and the like, under the driving of the first inclined oil cylinder 35 and the second oil cylinder 36, the inclination angle and the height of the screed frame 14 can be changed, so that the screed plate 24 reaches and maintains on the set screeding plane;

[0022] The connecting piece 19, the correction rod 20 and the balance rod 21 and the like jointly ensure the balance of the device. When the screed plate 24 is affected by the reaction force of the uneven ground or other external force, the force is transmitted through the balance rod 21. One end of the balance rod 21 is elastically connected with the telescopic sleeve 16 through the rotationally connected correction rod 20 and the connecting piece 19, one side of the balance rod 21 is connected with the spring sleeve rod 22, the spring sleeve rod 22 is externally sleeved with the second spring 23, forming a transverse and longitudinal stress buffer structure, so that the screed plate 24 maintains relative horizontal, ensuring the screeding effect;

[0023] The vibrator 25 is fixedly installed on the upper surface of the screed 24 and generates high-frequency vibration during the operation of the device. The vibration of the vibrator 25 is transmitted to the ground through the screed 24, so that the concrete and other materials to be leveled are more compact and flat. The sliding block 28 is slidingly connected between the inner walls of the two sides of the screed 14, and the scraping plate 29 is fixedly connected on one side of the sliding block 28. By rotating the threaded rod 30, the sliding block 28 is driven to slide on the sliding rail of the screed 14, so that the position of the scraping plate 29 can be adjusted. The scraping plate 29 can preliminarily scrape the concrete and other materials on the ground before the screed 24 works, so that the excess materials are scraped away, and the fine leveling work of the screed 24 is prepared. The hand wheel 31 is fixedly sleeved on the other end of the threaded rod 30, which facilitates the operator to manually rotate the threaded rod 30 and accurately adjust the position of the scraping plate 29.

[0024] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.

Claims

1. A central hinged steering laser screed comprising a vehicle body (11), characterized in that: One end of the car body (11) is fixedly provided with an adjusting mechanism (13), one end of the adjusting mechanism (13) is rotatably connected with a leveling frame (14), the upper surface of the adjusting mechanism (13) is rotatably connected with a connecting rod (15), one end of the connecting rod (15) is rotatably connected with an expansion sleeve (16), the lower end of the expansion sleeve (16) is fixedly connected with a connecting piece (19), the outer surface of the connecting piece (19) is rotatably connected with a correction rod (20) in a symmetrical manner, one end of each of the two correction rods (20) is rotatably connected with a balance rod (21), the lower inner walls of the leveling frame (14) are slidably connected with a leveling plate (24), the upper surface of the leveling plate (24) is fixedly provided with a vibrator (25) and rotatably connected with the lower end of the balance rod (21).

2. A central hinged steering laser screed as described in claim 1, wherein, The upper surface of the connecting piece (19) is fixedly provided with an expansion rod (18), the expansion rod (18) penetrates through the expansion sleeve (16), the outer surface of the expansion rod (18) is sleeved with a first spring (17), one side of each of the two balance rods (21) is fixedly connected with a spring sleeve rod (22), and the outer surfaces of the two spring sleeve rods (22) are commonly sleeved with a second spring (23).

3. A central hinged steering laser screed as described in claim 1, wherein, The adjusting mechanism (13) comprises a first connecting frame (32), one side of the first connecting frame (32) is fixedly connected with the car body (11), the other side of the first connecting frame (32) is rotatably connected with two connecting rods (33) in a symmetrical manner and rotatably provided with a first inclined oil cylinder (35), one end of the connecting rod (33) is fixedly connected with a second connecting frame (34), and one side of the second connecting frame (34) is rotatably connected with two second oil cylinders (36).

4. A central hinged steering laser screed as described in claim 1, wherein, The inner walls on both sides of the leveling frame (14) are slidably connected with a sliding block (28), one side of each of the two sliding blocks (28) is commonly fixedly connected with a scraper (29), one side of the leveling frame (14) is threadedly provided with a threaded rod (30), one end of the threaded rod (30) is fixedly connected with the sliding block (28), and the other end of the threaded rod (30) is fixedly sleeved with a hand wheel (31).

5. A central hinged steering laser screed as described in claim 1, wherein, One side of the car body (11) is fixedly provided with a control panel (12) and is fixedly connected with a handle (10) in a symmetrical manner.

6. A central hinged steering laser screed as described in claim 1, wherein, The upper surfaces of the leveling frame (14) are fixedly provided with support rods (26) in a symmetrical manner, and the top ends of the support rods (26) are fixedly provided with laser receivers.

7. A central hinged steering laser screed as described in claim 3, wherein, The output end of the first inclined oil cylinder (35) is rotatably connected with one side of the second connecting frame (34), and the output ends of the two second oil cylinders (36) are rotatably connected with one end of the second connecting frame (34) and one side of the leveling frame (14).

8. A central hinged steering laser screed as described in claim 4, wherein, The inner walls on both sides of the leveling frame (14) are fixedly provided with slide rails in a symmetrical manner, and the outer surfaces of the slide rails are slidably connected with the sliding blocks (28).

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