Paver pavement joint leveling device

Abstract

The utility model discloses a pavement joint leveling device of a paver, which relates to the technical field of asphalt pavement joint leveling and comprises a hot screed, a hinge rod is hinged to the top of the hot screed, a supporting piece is hinged to the other end of the hinge rod, the supporting piece comprises a plurality of supporting blocks which are sequentially hinged together from left to right, and the supporting blocks are hinged to the top of the hot screed. And the bottoms of the multiple supporting blocks are rotationally connected with grinding rollers. During use, the gravity of each supporting block is adjusted by arranging a plurality of supporting blocks which are sequentially hinged from left to right and placing various numbers of balancing weights on the supporting blocks in cooperation with the placing pieces, so that the rolling force of the rolling roller at the bottom of each supporting block can be adjusted, and therefore when rolling and leveling construction is conducted on a joint, the construction efficiency is greatly improved. And rolling force gradual leveling construction can be reliably carried out on the joint, the compactness and the flatness of the joint are improved, and the leveling construction quality and effect of the device on the joint are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt pavement joint leveling, in particular to a pavement joint leveling device for a paver. Background Technique

[0002] Asphalt pavements are mostly used in medium and high-level roads. When laying asphalt pavements, the heated asphalt mixture needs to be spread on the roadbed surface by a paver. After the asphalt mixture cools and hardens, a hard and reliable road surface can be formed.

[0003] Nowadays, the number of automobiles in society is increasing, so wider road surfaces are needed to carry the increasing traffic flow. In order to improve the laying speed of asphalt pavements, usually more than two road pavers are required to carry out the spreading work of asphalt mixture simultaneously. During the spreading process, there will be an overlapping area of 10 to 15 centimeters at the longitudinal joint of the road surfaces paved by two adjacent pavers. And there will be a stack of asphalt mixture in the overlapping area, and the height is higher than the designed height of the road surface. Therefore, it is necessary to roll and compact the overlapping area to make the height of the joint area meet the designed height, so as to make the whole road surface have a high flatness.

[0004] The Chinese invention patent with the patent application number CN202310900605.5 records an ironing optimization device and an asphalt concrete paver. Through the provided rolling drum, a first flat part, a second flat part and a third flat part are rotatably connected to the outer peripheral surface of the rolling drum. The first flat part, the second flat part and the third flat part rotate with the rolling drum to roll and level the joint. And because the areas of the first flat part, the second flat part and the third flat part are different, the control of the rolling pressure at the joint from light to heavy is realized, and the leveling effect is improved. However, in the above paver, the first flat part, the second flat part and the third flat part rotate with the rolling drum. Therefore, the first flat part, the second flat part and the third flat part cannot roll the same joint part as they rotate with the rolling drum, so the progressive rolling from light to heavy at the joint cannot be realized. Instead, it will cause the rolling pressure received by the joint along the longitudinal direction to be uneven, resulting in a poor leveling effect. Content of the Utility Model

[0005] The purpose of this application is to provide a pavement joint leveling device for a paver, so as to solve the problem that the first flat part, the second flat part and the third flat part cannot roll the same joint part as they rotate with the rolling drum in the above background technique, thus unable to realize the progressive rolling from light to heavy at the joint, and instead causing the rolling pressure received by the joint along the longitudinal direction to be uneven, resulting in a poor leveling effect.

[0006] To achieve the above object, the present application provides the following technical solution: A paving machine road surface joint leveling device, including a thermal ironing plate, an articulated rod is hinged on the top of the thermal ironing plate, the other end of the articulated rod is hinged with a support member, the support member includes a plurality of support blocks hinged together in sequence from left to right, a rolling roller is rotatably connected to the bottom of each of the plurality of support blocks, a plurality of placing members are provided on each of the plurality of support blocks, and a counterweight can be placed on the placing member.

[0007] Preferably, the placing member includes a bearing block installed on the top of the support block, a bearing groove is opened on the top of the bearing block, the counterweight is placed in the bearing groove, the front and rear ends of the bearing groove penetrate through the front and rear side walls of the bearing block respectively, and the length of the bearing block is less than the length of the counterweight. The advantage of such a setting is that the bearing block can be stably placed on the top of the support block to provide a greater rolling pressure for the rolling roller at the bottom of the support block. At the same time, the length of the bearing block is less than the length of the counterweight, so that the front and rear sides of the bearing block extend out of the bearing groove respectively to facilitate the lifting and moving of the counterweight.

[0008] Preferably, it further includes a storage component for storing the counterweight. The storage component includes a fixed column fixedly connected to the top of the thermal ironing plate, an articulated block is hinged to the right side of the fixed column, two screw rods are symmetrically rotatably connected to the right side of the articulated block, the counterweight is installed on the outer thread surfaces of the two screw rods, the right ends of the two screw rods are detachably fixedly connected with a fixed block, and two steel wire ropes are symmetrically fixedly connected to the top of the fixed block. The other ends of the two steel wire ropes are fixedly connected to the fixed column. The advantage of such a setting is that the counterweight can be stored on the device, so that the staff can adjust the number of counterweights on the top of each support block at any time according to the specific leveling construction requirements to meet different joint leveling construction requirements and improve the practicability of the device.

[0009] Preferably, it further includes a jacking component for jacking and placing the counterweight blocks stored on the storage component onto the tops of the respective support blocks. The jacking component includes two insertion plates symmetrically and fixedly connected to the bottom of the bearing block. The two insertion plates are movably inserted into the tops of the support blocks through two slots. The jacking component further includes two jacking inclined slots symmetrically formed in the bottom of the bearing block. The jacking component further includes two groups of hydraulic cylinders symmetrically and fixedly connected to the tops of the support blocks. The output ends of the two groups of hydraulic cylinders are symmetrically and fixedly connected with two clamping plates. Two trapezoidal jacking blocks are symmetrically and fixedly connected to the side faces of the two clamping plates close to each other. The two trapezoidal jacking blocks extend to the bottom of the bearing block, and the top inclined faces of the two trapezoidal jacking blocks are respectively in contact with the inclined faces of the two jacking inclined slots. The jacking component further includes a rectangular through cavity formed in the left side face of the counterweight block. A jacking block is movably connected in the rectangular through cavity. A jacking groove is formed in the top of the jacking block. The top wall in the rectangular through cavity is placed in the jacking groove. The jacking block is threadedly sleeved on the outer thread surfaces of two screw rods. The advantage of such a setting is that by pushing the two clamping plates closer to each other through the two groups of hydraulic cylinders, at this time the two trapezoidal jacking blocks also move closer to each other and cooperate with the two jacking inclined slots to jack up the bearing block until the inner bottom wall of the bearing groove abuts against the counterweight block and jacks up the counterweight block. At this time, the inner bottom wall of the rectangular through cavity is separated from the jacking groove, and the two clamping plates clamp the front and rear side faces of the counterweight block. In this way, the weight of the counterweight block can be applied to the support block, thereby increasing the rolling pressure of the rolling roller at the bottom of the support block. When it is necessary to reduce the rolling pressure of the rolling roller, only need to drive the two trapezoidal jacking blocks to move away from each other through the two groups of hydraulic cylinders until the bottom of the counterweight block is separated from the bearing groove, so that the gravity of the counterweight block can be removed from the support block. In this way, the adjustment of the rolling pressure of the rolling roller becomes simple and fast, further improving the practicability of the device.

[0010] Preferably, the distance between the bottom of the jacking block and the inner bottom wall of the rectangular through cavity is greater than the depth of the bearing groove, and the depth of the jacking groove is less than the height of the rectangular through cavity. The advantage of such a setting is that it ensures that the bearing block and the bearing groove can effectively jack up the counterweight block completely, so as to ensure that the weight of the counterweight block can be fully applied to the support block, and at the same time enables the jacking block to be taken out of the rectangular through cavity, thus facilitating the maintenance and replacement of the counterweight block.

[0011] In summary, the technical effects and advantages of the present utility model are as follows:

[0012] 1. In the present utility model, by arranging a plurality of support blocks hinged in sequence from left to right, and cooperating with the placing member to place various numbers of counterweight blocks on the support blocks to adjust the gravity of each support block, the rolling pressure of the rolling roller at the bottom of each support block can be adjusted. In this way, when carrying out rolling and leveling construction on the joint, the rolling pressure progressive leveling construction of the joint can be carried out reliably, improving the compaction degree and flatness of the joint, and effectively improving the flatness construction quality and effect of the device for the joint.

[0013] 2. In the present utility model, through the arranged storage component and lifting component, the lifting component jacks up the counterweight on the storage component so that the weight of the counterweight is applied to the support block, thereby increasing the rolling pressure of the rolling roller at the bottom of the support block. When the lifting component no longer jacks up the counterweight, the weight of the counterweight can be removed from the support block, thereby reducing the pressure of the rolling roller at the bottom of the support block, effectively simplifying the adjustment operation of the rolling pressure of each rolling roller and effectively improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 The first structural schematic diagram of a paver road surface joint leveling device in an embodiment of the present application;

[0016] Figure 2 The second structural schematic diagram of a paver road surface joint leveling device in an embodiment of the present application;

[0017] Figure 3 The second structural schematic diagram of a paver road surface joint leveling device in an embodiment of the present application;

[0018] Figure 4 In an embodiment of the present application Figure 1 The enlarged schematic diagram of part A;

[0019] Figure 5 In an embodiment of the present application Figure 1 The enlarged schematic diagram of part B.

[0020] In the figure: 1, hot ironing plate; 2, hinge rod; 3, support member; 31, support block; 4, rolling roller; 5, placing member; 51, bearing block; 52, bearing groove; 6, counterweight; 7, storage component; 71, fixed column; 72, hinge block; 73, screw; 74, fixed block; 75, steel wire rope; 8, lifting component; 81, insertion plate; 82, lifting inclined groove; 83, hydraulic cylinder; 84, clamping plate; 85, trapezoidal top block; 86, rectangular through cavity; 87, top block; 88, top groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment 1

[0023] Please refer to Figure 1-5 A paving machine road surface joint leveling device as shown, which includes a thermal ironing plate 1. The thermal ironing plate 1 is installed on the paving machine. A hinge rod 2 is hinged at the top of the thermal ironing plate 1. The other end of the hinge rod 2 is hinged with a support member 3. The support member 3 includes a plurality of support blocks 31 hinged together in sequence from left to right. A rolling roller 4 is rotatably connected to the bottom of each of the plurality of support blocks 31. A plurality of placing members 5 are provided on each of the plurality of support blocks 31, and a counterweight block 6 can be placed on the placing member 5.

[0024] Refer to Figure 1-4 , the placing member 5 includes a bearing block 51 installed on the top of the support block 31. A bearing groove 52 is opened at the top of the bearing block 51. The counterweight block 6 is placed in the bearing groove 52. The front and rear ends of the bearing groove 52 penetrate through the front and rear side walls of the bearing block 51 respectively. The length of the bearing block 51 is less than the length of the counterweight block 6.

[0025] Specifically, the bearing block 51 can be stably placed on the top of the support block 31 to provide a greater rolling pressure for the rolling roller 4 at the bottom of the support block 31. At the same time, the length of the bearing block 51 is less than the length of the counterweight block 6, so that the front and rear sides of the bearing block 51 extend out of the bearing groove 52 respectively to facilitate the lifting and moving of the counterweight block 6.

[0026] Embodiment 2

[0027] According to Embodiment 1, please refer to Figure 1-3 , it further includes a storage component 7 for storing the counterweight block 6. The storage component 7 includes a fixed column 71 fixedly connected to the top of the thermal ironing plate 1. A hinge block 72 is hinged to the right side of the fixed column 71. Two screw rods 73 are symmetrically and rotatably connected to the right side of the hinge block 72. The counterweight block 6 is installed on the outer thread surfaces of the two screw rods 73. The right ends of the two screw rods 73 are detachably fixedly connected with a fixed block 74. Two steel wire ropes 75 are symmetrically fixedly connected to the top of the fixed block 74. The other ends of the two steel wire ropes 75 are fixedly connected to the fixed column 71.

[0028] Specifically, the counterweight block 6 can be stored on the device, so that it is convenient for the staff to adjust the number of counterweight blocks 6 on the top of each support block 31 at any time according to the specific leveling construction requirements to meet different joint leveling construction requirements and improve the practicability of the device.

[0029] Example 3

[0030] According to Example 1 or 2, please refer to Figure 4 and Figure 5 , it further includes a jacking component 8 for jacking and placing the counterweight 6 stored on the storage component 7 onto the top of each support block 31. The jacking component 8 includes two insertion plates 81 symmetrically and fixedly connected to the bottom of the bearing block 51. The two insertion plates 81 are movably inserted into the top of the support block 31 through two slots. The jacking component 8 further includes two jacking inclined slots 82 symmetrically formed in the bottom of the bearing block 51. The jacking component 8 further includes two groups of hydraulic cylinders 83 symmetrically and fixedly connected to the top of the support block 31. The output ends of the two groups of hydraulic cylinders 83 are symmetrically and fixedly connected with two clamping plates 84. Two trapezoidal jacking blocks 85 are symmetrically and fixedly connected to the side faces of the two clamping plates 84 close to each other. The two trapezoidal jacking blocks 85 extend to the bottom of the bearing block 51 and the top inclined faces of the two trapezoidal jacking blocks 85 are respectively in contact with the inclined faces of the two jacking inclined slots 82. The jacking component 8 further includes a rectangular through cavity 86 formed in the left side face of the counterweight 6. A jacking block 87 is movably connected in the rectangular through cavity 86. A jacking groove 88 is formed in the top of the jacking block 87. The inner top wall of the rectangular through cavity 86 is placed in the jacking groove 88. The jacking block 87 is threadedly sleeved on the outer thread surfaces of the two screw rods 73.

[0031] Specifically, by pushing the two clamping plates 84 close to each other through the two groups of hydraulic cylinders 83, at this time, the two trapezoidal jacking blocks 85 also approach each other and cooperate with the two jacking inclined slots 82 to jack up the bearing block 51 until the inner bottom wall of the bearing groove 52 abuts against the counterweight 6 and jacks up the counterweight 6. At this time, the inner bottom wall of the rectangular through cavity 86 is separated from the jacking groove 88 and the two clamping plates 84 clamp the front and rear side faces of the counterweight 6. In this way, the weight of the counterweight 6 can be applied to the support block 31, thereby increasing the rolling pressure of the rolling roller 4 at the bottom of the support block 31. When it is necessary to reduce the rolling pressure of the rolling roller 4, only need to drive the two trapezoidal jacking blocks 85 to move away from each other through the two groups of hydraulic cylinders 83 until the bottom of the counterweight 6 is separated from the bearing groove 52, so that the gravity of the counterweight 6 can be removed from the support block 31. In this way, the adjustment of the rolling pressure of the rolling roller 4 becomes simple and fast, further improving the practicability of the device.

[0032] Refer to Figure 4 and Figure 5 , the distance between the bottom of the jacking block 87 and the inner bottom wall of the rectangular through cavity 86 is greater than the depth of the bearing groove 52, and the depth of the jacking groove 88 is less than the height of the rectangular through cavity 86.

[0033] Specifically, it ensures that the bearing block 51 and the bearing groove 52 can completely and effectively jack up the counterweight 6, so as to ensure that the weight of the counterweight 6 can be fully applied to the support block 31, and at the same time enable the jacking block 87 to be taken out from the rectangular through cavity 86, thereby facilitating the maintenance and replacement of the counterweight 6.

[0034] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A pavement joint leveling device for a paver, comprising a hot ironing plate (1), characterized in that: The top of the hot ironing plate (1) is hinged with a hinge rod (2), and the other end of the hinge rod (2) is hinged with a support member (3), and the support member (3) includes a plurality of support blocks (31) hinged together in sequence from left to right, and the bottoms of the plurality of support blocks (31) are rotatably connected to a rolling roller (4), and the plurality of support blocks (31) are provided with a plurality of placement members (5), and a counterweight (6) can be placed on the placement member (5).

2. A pavement joint leveling device for a paver according to claim 1, characterized in that: The placement member (5) comprises a bearing block (51) mounted on the top of the support block (31); a bearing groove (52) is provided on the top of the bearing block (51); the counterweight block (6) is placed in the bearing groove (52); the front and rear ends of the bearing groove (52) respectively penetrate the front and rear side walls of the bearing block (51); and the length of the bearing block (51) is less than the length of the counterweight block (6).

3. A pavement joint leveling device for a paver according to claim 2, characterized in that: The invention also comprises a storage assembly (7) for storing the counterweight (6), wherein the storage assembly (7) comprises a fixing column (71) fixedly connected to the top of the hot ironing plate (1), a hinge block (72) being hingedly connected to the right side of the fixing column (71), two screw rods (73) being symmetrically rotatably connected to the right side of the hinge block (72), the counterweight (6) being mounted on the external threaded surfaces of the two screw rods (73), the right ends of the two screw rods (73) being detachably fixedly connected to fixing blocks (74), the top of the fixing block (74) being symmetrically fixedly connected to two steel ropes (75), the other ends of the two steel ropes (75) being fixedly connected to the fixing column (71).

4. The pavement joint leveling device for a paver according to claim 3, characterized in that: The utility model also comprises a lifting assembly (8) for carrying and placing the counterweight block (6) stored on the storage assembly (7) on the top of each support block (31), wherein the lifting assembly (8) comprises two plug plates (81) symmetrically fixedly connected to the bottom of the bearing block (51), and the two plug plates (81) are movably plugged into the top of the support block (31) through two slots. The lifting assembly (8) also comprises two lifting inclined grooves (82) symmetrically arranged at the bottom of the bearing block (51), and the lifting assembly (8) also comprises two groups of hydraulic cylinders (83) symmetrically fixedly connected to the top of the support block (31), and the output ends of the two groups of hydraulic cylinders (83) are symmetrically fixedly connected to two clamping plates (84). ), two trapezoidal top blocks (85) are symmetrically fixedly connected to the adjacent sides of the two clamping plates (84), the two trapezoidal top blocks (85) extend to the bottom of the bearing block (51) and the top inclined surfaces of the two trapezoidal top blocks (85) respectively conflict with the inclined surfaces of the two lifting inclined grooves (82), the lifting assembly (8) also includes a rectangular through cavity (86) opened on the left side of the counterweight block (6), a top block (87) is movably connected in the rectangular through cavity (86), a top groove (88) is opened on the top of the top block (87), the inner top wall of the rectangular through cavity (86) is placed in the top groove (88), and the top block (87) is threadedly sleeved on the external threaded surfaces of the two screw rods (73).

5. The pavement joint leveling device for a paver according to claim 4, characterized in that: The distance between the bottom of the top block (87) and the inner bottom wall of the rectangular through cavity (86) is greater than the depth of the bearing groove (52), and the depth of the top groove (88) is less than the height of the rectangular through cavity (86).

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