Road rolling equipment for highway construction
By incorporating an adjustment mechanism within the rollers of the road roller equipment, flexible switching between smooth rollers and sheep's foot rollers can be achieved, solving the problem that existing equipment cannot adapt to different construction objectives and improving construction efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-03-24
AI Technical Summary
Existing road rolling equipment is only equipped with one type of roller, which cannot flexibly adapt to different construction objectives, resulting in low construction efficiency and high costs.
A roller structure was designed with an internal adjustment mechanism. The position of the fixed plate can be switched through the drive mechanism to achieve flexible switching between smooth roller and sheep's foot roller to adapt to different ground conditions.
It improved construction efficiency and quality, reduced operational difficulty and labor costs, and protected the road structure.
Smart Images

Figure CN224031430U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road construction equipment technical field, concretely is a road construction is with road roller equipment. BACKGROUND
[0002] The whole process of road construction is a complex and systematic process, covering multiple links from planning and design to completion and acceptance. During road construction, whether it is foundation compaction in the early stage or fill compaction in the later stage, road roller equipment is usually used for compaction work. The construction targets faced by road roller equipment include sandy, semi-sticky and sticky soil, subgrade stable soil and asphalt concrete pavement layer, etc.
[0003] Commonly used road rollers have smooth rollers and sheep foot rollers. The smooth roller has a smooth circumferential surface, and the sheep foot roller has a circumferential surface with a plurality of protrusions. During road construction, the two types of rollers may be needed to cope with different construction targets. However, the existing road roller equipment only installs one type of roller at the same time. Therefore, multiple types of road roller equipment are needed for construction, which increases the construction cost. If the roller is replaced, it will reduce the construction efficiency.
[0004] Therefore, the present application is proposed. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a road construction road roller equipment to solve the problems in the above background.
[0006] To solve the above technical problems, the utility model provides a road construction road roller equipment, which comprises a roller and mounting brackets installed on the axial ends of the roller. The roller has a hollow structure, and an adjusting mechanism is arranged inside the roller. One of the mounting brackets is internally provided with a driving mechanism. A plurality of storage channels are arranged in a ring array about the roller axis on the outer arc wall of the roller. The adjusting mechanism in the roller comprises a threaded rod coaxially fixed in the roller. A plurality of fixed plates one and a plurality of fixed plates two of the same number are arranged in a ring array about the threaded rod axis on the outer side of the threaded rod. The fixed plate two is located between the fixed plate one and the threaded rod. A plurality of fixed plates one and a plurality of storage channels one-to-one correspond.
[0007] A threaded sleeve is coaxially and threadedly connected to the outer arc wall of the threaded rod. A plurality of fixed plate ones and a plurality of fixed plate twos are fixedly connected with fixed ear seats one on one side wall close to the threaded sleeve. The fixed ear seat one is rotatably connected with a rotating rod at one end close to the threaded sleeve. The rotating rod is rotatably connected with a fixed ear seat two at one end away from the fixed ear seat one. The fixed ear seat two is fixed to the outer arc wall of the threaded sleeve away from the rotating rod. The fixed ear seat two indirectly connected to the fixed plate one and the fixed ear seat two indirectly connected to the fixed plate two are respectively fixed to the two ends of the threaded sleeve along the axial direction.
[0008] Further, the fixed plate one is a fan ring in the vertical plane along the radial direction of the roller, and the fixed plate two is a trapezoid in the vertical plane along the radial direction of the roller, when the fixed plate one is inserted into the storage channel, the side wall of the fixed plate one away from the threaded sleeve is located on the same circumference with the outer arc wall of the roller, and when the fixed plate two is inserted into the storage channel, the side wall of the fixed plate two away from the threaded sleeve is located out of the outer arc wall of the roller.
[0009] The length direction of the storage channel on the outer arc wall of the roller is parallel to the axial direction of the roller, and the storage channel is arranged through the roller along the radial direction of the roller, the length direction of the fixed plate one and the fixed plate two are matched with the length direction of the storage channel, the inclination angles of the rotating rods indirectly connected to the fixed plate one and the fixed plate two relative to the threaded sleeve are complementary, and the rotating rods indirectly connected to the fixed plate one and the fixed plate two are not in contact.
[0010] Further, the fixed plate one is a fan ring in the vertical plane along the radial direction of the roller, and the fixed plate two is a trapezoid in the vertical plane along the radial direction of the roller, when the fixed plate one is inserted into the storage channel, the side wall of the fixed plate one away from the threaded sleeve is located on the same circumference with the outer arc wall of the roller, and when the fixed plate two is inserted into the storage channel, the side wall of the fixed plate two away from the threaded sleeve is located out of the outer arc wall of the roller.
[0011] Further, the roller end part is coaxially provided with a rotating groove corresponding to the position of the rotating disc one, the rotating disc one is arranged in the rotating groove, and the adjusting mechanism is located in the interior of the roller, the rotating disc one is provided with a driving mechanism away from the interior of the roller, the driving mechanism comprises a transmission shaft coaxially fixed to the side wall of the rotating disc one away from the interior of the roller, and the transmission shaft is fixedly connected with a motor away from the rotating disc one.
[0012] Further, the motor is fixedly provided with an air cylinder, the output end of the air cylinder is arranged towards the roller and parallel to the axial direction of the roller, the transmission shaft is fixedly connected with a spline sleeve, the spline sleeve is coaxially and slidably provided with a rotating disc two, the rotating disc two is fixedly connected with a plurality of fixed columns arranged in a ring array about the axis of the transmission shaft on the side wall close to the rotating disc one, the rotating disc one is provided with a plurality of insertion slots on the side wall close to the rotating disc two, the plurality of insertion slots correspond to the plurality of fixed columns one by one, the insertion slots are arc-shaped, and the depth of one end of the insertion slots is greater than the depth of the other end of the insertion slots.
[0013] Further, the cylinder output end is fixedly connected with a limiting plate, the limiting plate is in the shape of a Chinese character "door" along the vertical plane of the axial section of the transmission shaft, and the opening of the limiting plate faces the rotating disc two, the edge of the rotating disc two is located in the limiting plate, and the limiting plate does not contact the fixed column;
[0014] The end, away from the rotating disc two, of the fixed column is embedded with a ball one, the two inner side walls of the limiting plate, close to the rotating disc two, are embedded with balls two, the balls two and the rotating disc two rollingly abut each other, the ball one and the rotating disc one rollingly abut each other, and the ball one and the ball two are used for reducing the friction between components.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1. The working state of the adjusting mechanism is controlled by the driving mechanism, the working mode of the roller can be flexibly switched, when it is needed to compact relatively soft ground, the fixed plate two is driven to be inserted into the object channel, the structure protruding from the outer arc wall of the roller increases the contact area and the pressure on the ground, and the compacting effect is improved, when it is needed to avoid excessive compaction to cause damage to the road surface, the fixed plate one is driven to be inserted into the object channel, the smooth outer wall is consistent with the outer arc wall of the roller, the contact pressure on the ground is reduced, and the road surface structure is protected, the design makes the equipment adapt to different road rolling requirements, improves the working efficiency and the construction quality.
[0017] 2. The adjusting mechanism and the driving mechanism are compact in structure, the occupied space is reduced, flexible operation is facilitated on the construction site, the driving mechanism makes the switching between the fixed plate one and the fixed plate two simple and fast, the operation difficulty and the labor cost are reduced, and in addition, the structure of each component is simple, and replacement and maintenance are easy. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a structural schematic view of an adjusting mechanism in a road construction rolling equipment;
[0019] Figure 2 It is an internal structural schematic view of an adjusting mechanism in a road construction rolling equipment;
[0020] Figure 3 It is a connection relationship schematic view of a roller and a driving mechanism in a road construction rolling equipment;
[0021] Figure 4 It is a structural schematic view of a driving mechanism in a road construction rolling equipment;
[0022] Figure 5 It is a whole structural schematic view of a road construction rolling equipment.
[0023] In the drawings:
[0024] 10, grinding wheel; 11, mounting bracket;
[0025] 20, fixed plate one; 21, fixed plate two; 22, rotating rod; 23, threaded sleeve; 24, threaded rod; 25, limiting frame; 26, rotating disc one; 27, fixed rod;
[0026] 30, motor; 31, air cylinder; 32, limiting plate; 33, rotating disc two; 34, fixed column; 35, spline sleeve. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] Please refer to the drawings of the embodiments of the utility model Figure 1 to the drawings of the embodiments of the utility model Figure 5 The utility model provides a kind of road construction with road roller equipment: including grinding wheel 10 and the mounting bracket 11 of being mounted to the axial both ends of grinding wheel 10, grinding wheel 10 is hollow structure, adjusting mechanism is equipped in grinding wheel 10, one mounting bracket 11 inside is equipped with driving mechanism, the outer arc wall of grinding wheel 10 is equipped with several about the annular array distribution of the storage passage of the axis of grinding wheel 10, the adjusting mechanism in the grinding wheel 10 includes the threaded rod 24 coaxially fixed in grinding wheel 10, the outer side of threaded rod 24 is provided with several about the annular array distribution of the fixed plate one 20 of the axis of threaded rod 24 and several identical number of fixed plate two 21, wherein fixed plate two 21 is located between fixed plate one 20 and threaded rod 24, several described fixed plate one 20 and several storage passage one-to-one corresponding;
[0029] The outer arc wall of threaded rod 24 is coaxially connected with threaded sleeve 23, the side wall close to threaded sleeve 23 of several described fixed plate one 20 and several described fixed plate two 21 is all fixedly connected with fixed lug one, the end close to threaded sleeve 23 of fixed lug one is rotatably connected with rotating rod 22, the end away from rotating rod 22 of fixed lug two is fixed on the outer arc wall of threaded sleeve 23, the fixed lug two indirectly connected on fixed plate one 20 and the fixed lug two indirectly connected on fixed plate two 21 are respectively fixed at the two ends of threaded sleeve 23 along the axial direction.
[0030] It should be noted that: mounting bracket 11 is used to be connected with mobile device, to drive the device to move, to achieve the purpose of road roller, not too much here;
[0031] The placing channel on the outer arc wall of the roller 10 is used for inserting the fixing plate one 20 or the fixing plate two 21, since the fixing plate one 20 and the fixing plate two 21 are connected with the rotating rod 22 and the fixed lug seat and the threaded sleeve 23, it can be understood that the plurality of fixing plate one 20 and the plurality of fixing plate two 21 are arranged staggeredly, the rotating planes of the rotating rod 22 and the fixed lug seat one and the fixed lug seat two are parallel to the axis of the threaded sleeve 23.
[0032] Since the inclination angles of the rotating rod 22 are different, when the threaded sleeve 23 moves along the threaded rod 24 in the axial direction, the rotating rod 22 is forced to rotate, thereby lifting or lowering the fixing plate one 20 or the fixing plate two 21, when the fixing plate one 20 moves towards the threaded sleeve 23, the fixing plate two 21 moves away from the threaded sleeve 23, and vice versa, and during this period, the fixing plate one 20 and the fixing plate two 21 are always not in contact.
[0033] Please refer to the accompanying Figure 1 to the accompanying Figure 5 , the utility model provides a technical scheme: the fixing plate one 20 is along the vertical plane of the radial direction of the roller 10 and the section is fan ring, the fixing plate two 21 is along the vertical plane of the radial direction of the roller 10 and the section is trapezoidal, when the fixing plate one 20 is inserted into the placing channel, the side wall of the fixing plate one 20 away from the threaded sleeve 23 is located on the same circumference with the outer arc wall of the roller 10, when the fixing plate two 21 is inserted into the placing channel, the side wall of the fixing plate two 21 away from the threaded sleeve 23 is arranged to protrude the outer arc wall of the roller 10.
[0034] The length direction of the placing channel on the outer arc wall of the roller 10 is parallel to the axial direction of the roller 10, and the placing channel is arranged through the roller 10 along the radial direction of the roller 10, the length direction of the fixing plate one 20 and the fixing plate two 21 is matched with the length direction of the placing channel, the inclination angles of the rotating rod 22 indirectly connected to the fixing plate one 20 and the rotating rod 22 indirectly connected to the fixing plate two 21 relative to the threaded sleeve 23 are complementary, and the rotating rod 22 indirectly connected to the fixing plate one 20 and the rotating rod 22 indirectly connected to the fixing plate two 21 are not in contact.
[0035] It should be noted that the curvature of the side wall of the fixing plate one 20 away from the threaded sleeve 23 is the same as the curvature of the outer arc wall of the roller 10, then after the fixing plate one 20 is inserted into the placing channel, the smooth outer wall of the fixing plate one 20 is consistent with the outer arc wall of the roller 10, realizing the effect of light roller;
[0036] In one possible embodiment, the fixed plate two 21 is provided with a plurality of uniformly distributed protrusions on the side wall away from the threaded sleeve 23 along the length direction of the fixed plate two 21, and the protrusions on the adjacent two fixed plate two 21 are staggered, so that when the fixed plate two 21 is inserted into the placing channel, the protrusions of the fixed plate two 21 protrude out of the outer arc wall of the roller 10, achieving the effect of sheep foot rolling.
[0037] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 5 The utility model provides a technical scheme: the fixed plate one 20 both ends along its length direction are fixedly connected with fixed rod 27, the length direction of fixed rod 27 is mutually parallel with the radial direction of roller 10, and one end of the side wall of fixed rod 27 away from fixed plate one 20 is fixedly connected with sliding block close to the axis of roller 10, the both ends along the length direction of fixed plate two 21 are fixedly connected with fixed rod 27 of same structure, and sliding block is slidably connected with limiting frame 25 outside, a plurality of limiting frame 25 on the same side of fixed plate one 20 are annular array distribution about the axis line of roller 10, and the side wall of the plurality of limiting frame 25 on this side close to each other is fixedly connected with same turntable one 26, and turntable one 26 is rotationally connected on the inner side wall of roller 10 along the axial direction of threaded rod 24.
[0038] It should be noted that: the both ends along the length direction of fixed plate one 20 and fixed plate two 21 are fixedly connected with fixed rod 27, the length direction of fixed rod 27 is mutually parallel with the radial direction of roller 10, and sliding block is fixedly connected on the end of fixed rod 27 away from fixed plate, and close to the axis of roller 10, so that when fixed plate one 20 and fixed plate two 21 are driven to move under threaded sleeve 23, sliding block can slide in limiting frame 25, thereby realizing the limiting of fixed plate in the radial direction, and also ensuring that threaded sleeve 23 is not driven to rotate synchronously when threaded rod 24 rotates.
[0039] Turntable one 26 is used for supporting a plurality of limiting frame 25, and turntable one 26 is connected with a driving mechanism, and turntable one 26 and roller 10 can rotate relative to each other.
[0040] Please refer to the accompanying drawings Figure 1 to the accompanying drawings Figure 5 The utility model provides a technical scheme: the position of roller 10 end corresponds to the position of turntable one 26, and rotation groove is coaxially arranged, and turntable one 26 is arranged in rotation groove and adjusting mechanism is located in the inside of roller 10, and one side of turntable one 26 away from the inside of roller 10 is provided with driving mechanism, and driving mechanism includes transmission shaft fixed on the side wall of turntable one 26 away from the inside of roller 10, and motor 30 is fixedly connected on the side of transmission shaft away from turntable one 26.
[0041] The motor 30 is fixed on the top of the cylinder 31, the output end of the cylinder 31 is arranged towards the mill wheel 10 and is axially parallel to the mill wheel 10, the spline sleeve 35 is fixedly connected on the outer arc wall of the transmission shaft, the rotating disc two 33 is coaxially slid on the outside of the spline sleeve 35, a plurality of fixed columns 34 are fixedly connected on the side wall of the rotating disc two 33, which are arranged in a ring array about the axis of the transmission shaft, a plurality of insertion slots are arranged on the side wall of the rotating disc one 26, which are in one-to-one correspondence with the fixed columns 34.
[0042] The output end of the cylinder 31 is fixedly connected with the limiting plate 32, the vertical plane of the limiting plate 32 along the axial direction of the transmission shaft is in the shape of a "door", and the limiting plate 32 is arranged with an open end towards the rotating disc two 33, the edge of the rotating disc two 33 is located in the limiting plate 32 and the limiting plate 32 does not contact the fixed column 34.
[0043] The end of the fixed column 34 away from the rotating disc two 33 is embedded with a ball one, the two inner side walls of the limiting plate 32 close to the rotating disc two 33 are embedded with a ball two, and the ball two and the rotating disc two 33 roll against each other.
[0044] It should be noted that the motor 30 directly drives the threaded rod 24 to rotate through the transmission shaft, when the cylinder 31 pushes the limiting plate 32 to drive the rotating disc two 33 to slide, the fixed column 34 will move towards the rotating disc one 26, when the fixed column 34 is inserted into the insertion slot, the rotating disc one 26 will rotate synchronously with the rotating disc two 33, the rotating disc two 33 rotates synchronously with the transmission shaft under the action of the spline sleeve 35, which is equivalent to the threaded sleeve 23 rotating synchronously with the threaded rod 24, that is, the fixed plate one 20 or the fixed plate two 21 will not move in the radial direction of the mill wheel 10 at this time.
[0045] Working principle:
[0046] The motor 30 directly drives the threaded rod 24 to rotate through the transmission shaft, the threaded rod 24 drives the threaded sleeve 23 to move horizontally along its axial direction, during which the threaded sleeve 23 forces the rotating rod 22 to rotate, thereby lifting or lowering the fixed plate one 20 or the fixed plate two 21, when the fixed plate one 20 moves towards the threaded sleeve 23, the fixed plate two 21 moves away from the threaded sleeve 23, and vice versa;
[0047] When the cylinder 31 pushes the limiting plate 32 to drive the rotating disc two 33 to slide, the fixed column 34 will move towards the rotating disc one 26, when the fixed column 34 is inserted into the insertion slot, the rotating disc one 26 will rotate synchronously with the rotating disc two 33, the rotating disc two 33 rotates synchronously with the transmission shaft under the action of the spline sleeve 35, which is equivalent to the threaded sleeve 23 rotating synchronously with the threaded rod 24, that is, the fixed plate one 20 or the fixed plate two 21 will not move in the radial direction of the mill wheel 10 at this time.
Claims
1. A road roller for highway construction, comprising a roller (10) and mounting brackets (11) installed at both ends of the roller (10) along its axial direction, wherein the roller (10) is a hollow structure, an adjustment mechanism is provided inside the roller (10), a drive mechanism is provided inside one of the mounting brackets (11), and a plurality of storage channels are provided on the outer arc wall of the roller (10) in a circular array about the axis of the roller (10), characterized in that: The adjustment mechanism inside the grinding wheel (10) includes a threaded rod (24) coaxially fixed inside the grinding wheel (10). A number of fixing plates (20) arranged in a ring array about the axis of the threaded rod (24) and a number of fixing plates (21) of the same number are provided on the outside of the threaded rod (24). The fixing plates (21) are located between the fixing plates (20) and the threaded rod (24). The number of fixing plates (20) corresponds to the number of storage channels. A threaded sleeve (23) is coaxially threaded onto the outer arc wall of the threaded rod (24). A fixing lug 1 is fixedly connected to one side wall of each of the fixing plates 1 (20) and 2 (21) near the threaded sleeve (23). A rotating rod (22) is rotatably connected to one end of the fixing lug 1 near the threaded sleeve (23). A fixing lug 2 is rotatably connected to one end of the rotating rod (22) away from the fixing lug 1. The fixing lug 2 away from the rotating rod (22) is fixed to the outer arc wall of the threaded sleeve (23). The fixing lug 2 indirectly connected to the fixing plate 1 (20) and the fixing lug 2 indirectly connected to the fixing plate 2 (21) are respectively fixed to both ends of the threaded sleeve (23) along the axial direction.
2. The road roller for highway construction as described in claim 1, characterized in that: The cross-section of the first fixing plate (20) along the vertical plane of the radial direction of the grinding wheel (10) is fan-shaped, and the cross-section of the second fixing plate (21) along the vertical plane of the radial direction of the grinding wheel (10) is trapezoidal. When the first fixing plate (20) is inserted into the storage channel, the side wall of the first fixing plate (20) away from the threaded sleeve (23) is on the same circumference as the outer arc wall of the grinding wheel (10). When the second fixing plate (21) is inserted into the storage channel, the side wall of the second fixing plate (21) away from the threaded sleeve (23) protrudes from the outer arc wall of the grinding wheel (10).
3. The road roller for highway construction as described in claim 1, characterized in that: The length direction of the placement channel on the outer arc wall of the grinding wheel (10) is parallel to the axial direction of the grinding wheel (10), and the placement channel is set through the grinding wheel (10) radially. The length directions of the first fixing plate (20) and the second fixing plate (21) are adapted to the length direction of the placement channel. The rotating rod (22) indirectly connected to the first fixing plate (20) and the rotating rod (22) indirectly connected to the second fixing plate (21) have complementary inclination angles relative to the threaded sleeve (23), and the rotating rod (22) indirectly connected to the first fixing plate (20) and the rotating rod (22) indirectly connected to the second fixing plate (21) do not contact each other.
4. The road roller for highway construction as described in claim 3, characterized in that: Fixed rods (27) are fixedly connected to both ends of the first fixed plate (20) along its length direction. The length direction of the fixed rods (27) is parallel to the radial direction of the grinding wheel (10). A slider is fixedly connected to one end of the fixed rod (27) near the axis of the grinding wheel (10) on the side wall away from the first fixed plate (20). Fixed rods (27) with the same structure are fixedly connected to both ends of the second fixed plate (21) along its length direction. Limiting frames (25) are slidably connected to the outside of the slider. Several limiting frames (25) located on the same side of the first fixed plate (20) are arranged in a ring array about the axis of the grinding wheel (10). The same turntable (26) is fixedly connected to the side wall of the several limiting frames (25) on this side that are close to each other. The turntable (26) is rotatably connected to the inner side wall of the grinding wheel (10) along the axial direction of the threaded rod (24).
5. A road roller for highway construction as described in claim 4, characterized in that: The end of the grinding wheel (10) is coaxially provided with a rotating groove at the position corresponding to the turntable (26). The turntable (26) is set in the rotating groove and the adjustment mechanism is located inside the grinding wheel (10). A driving mechanism is provided on the side of the turntable (26) away from the inside of the grinding wheel (10). The driving mechanism includes a transmission shaft coaxially fixed on the side wall of the turntable (26) away from the inside of the grinding wheel (10). A motor (30) is fixedly connected to the side of the transmission shaft away from the turntable (26).
6. The road roller for highway construction as described in claim 5, characterized in that: A cylinder (31) is fixed on the top of the motor (30). The output end of the cylinder (31) is set towards the grinding wheel (10) and is parallel to the axis of the grinding wheel (10). A spline sleeve (35) is fixedly connected to the outer arc wall of the transmission shaft. A turntable two (33) is slidably connected to the outside of the spline sleeve (35). Several fixed columns (34) are fixedly connected to the side wall of the turntable two (33) near the turntable one (26) in a circular array about the axis of the transmission shaft. Several slots are opened on the side wall of the turntable one (26) near the turntable two (33). Several slots correspond one-to-one with several fixed columns (34).
7. A road roller for highway construction as described in claim 6, characterized in that: The cylinder (31) output end is fixedly connected to a limiting plate (32). The limiting plate (32) has a "door" shaped cross section along the vertical plane where the transmission shaft axis is located. The limiting plate (32) is open and facing the turntable (33). The edge of the turntable (33) is located inside the limiting plate (32) and the limiting plate (32) does not contact the fixed column (34).
8. A road roller for highway construction as described in claim 7, characterized in that: The fixed post (34) is fitted with a ball bearing 1 at the end away from the turntable 2 (33), and the limiting plate (32) is fitted with two balls bearing 2 on the two inner side walls near the turntable 2 (33). The balls bearing 2 roll and abut against the turntable 2 (33).