CN201372402Y - Asphalt Paver - Google Patents

Abstract

A kind of asphalt paver, comprising a driver's cab at the top, a main frame at the front, a screed device at the rear, and a screw propeller between the main frame and the screed device, wherein the main frame It has a frame rear panel, and also includes a screw propeller height adjustment mechanism, and the height adjustment mechanism includes an adjustment plate, which is adjustably installed on the frame rear panel; a driving member, which is fixedly installed on the The rear panel of the frame, and the piston rod of the driver is hinged to the adjustment plate; the screw propeller is installed on the adjustment plate. The utility model adopts the height adjustment mechanism of the screw propeller to adjust the distance between the screw propeller and the ground, and is easy to operate; at the same time, it is equipped with a canopy and a folding mechanism that can fold down the canopy, so as to provide operators with a comfortable operating environment and facilitate spreading The paver passes through low bridges and culverts, and it is convenient for it to work in a lower net space.

Description

Asphalt Paver

technical field

The utility model relates to an engineering machine for paving asphalt mixture, in particular to an asphalt mixture paving machine.

Background technique

Since the large asphalt paver can complete the paving tasks of various materials such as asphalt, base stabilized soil, cement graded gravel, etc., it has become a necessary key equipment for the construction of high-grade highways. With the rapid development of national highway construction and the improvement of construction technology, the use of paver is becoming wider and wider. Therefore, the requirements for pavers are getting higher and higher. The patent number is "02269381.5", and the Chinese utility model patent named "Asphalt Concrete Paver" has announced the paving The paver with wide road surface can greatly improve the working efficiency of paving, and it is also convenient to adjust the distance between the screed device and the ground, but it does not involve the adjustment of the screw propeller, because the distance between the screw propeller and the ground It will seriously affect the paving quality. For example: when the distance between the screw propeller and the ground is too small, the screw propeller will be submerged too much by the material during paving, which will inevitably increase the resistance of the screw feeding; when the distance between the screw propeller and the ground When it is too large, the surface layer of the paving may appear that the screw propeller is submerged by the material, and if it is too small, it is easy to have a large segregation phenomenon. Therefore, it is necessary to design an adjustment mechanism to solve the above problems.

On the other hand, during the construction of municipal engineering, especially in bridges, ramps, etc., due to the high body height or transportation height of large paver, it is impossible to pass bridges and culverts, or even to construct, which brings limitations to the application of paver.

Utility model content

The purpose of the utility model is to provide an asphalt paver which is widely applicable and easy to adjust.

In order to achieve the above object, the asphalt paver of the present utility model includes a driver's cab located above, a main body frame located in front, a screed device located at the rear, and a screw propulsion mechanism located between the main frame and the screed device. device, wherein the main body frame has a frame rear panel, and also includes a screw propeller height adjustment mechanism, and the height adjustment mechanism includes

an adjustment plate, which is adjustably mounted on the rear panel of the rack;

A driver, which is fixedly installed on the rear panel of the frame, and the piston rod of the driver is hinged to the adjustment plate;

The screw propeller is installed on the adjusting plate.

The above-mentioned asphalt paver, wherein, the top of the cab also includes a roof and a roof folding mechanism, the roof folding mechanism includes an upper bracket and a lower bracket, and the roof is hinged to the upper bracket. The upper bracket is hinged with the lower bracket, and the lower bracket is fixedly connected with the main frame.

In the aforementioned asphalt paver, wherein the roof folding mechanism further includes a buffer gas spring, one end of the buffer gas spring is fixedly connected to the upper bracket, and the other end is fixedly connected to the lower bracket.

In the aforementioned asphalt mixture paver, a locking mechanism is further provided at the hinge joint of the upper bracket and the lower bracket to position and lock the upper bracket and the lower bracket.

The above-mentioned asphalt paver, wherein the screw propeller includes a transfer case and a left screw rod and a right screw rod respectively connected to the left and right sides of the transfer case, wherein the transfer case is installed on On the adjustment plate, the left and right screw rods are respectively installed on the adjustment plate through a hanger.

The above-mentioned asphalt paver, wherein, the left side of the left screw rod is connected to a first left additional screw rod through a first left connecting plate, and the right side of the right screw rod is connected to a first right connecting plate Connect a first right additional screw rod, wherein, the first left connecting plate can also be adjusted to connect a first left tie rod, the other end of the first left tie rod is connected with the main body frame, and the first right connecting plate A first right tie rod can also be adjusted and connected, and the other end of the first right tie rod is connected with the main body frame.

The above-mentioned asphalt paver, wherein, the left side of the first left additional screw rod is connected to a second left additional screw rod through a second left connecting plate, and the right side of the first right additional screw rod passes through A second right connecting plate is connected with a second right additional screw rod, wherein, the second left connecting plate can also be adjusted to connect with a second left tie rod, and the other end of the second left tie rod is connected with the main body frame, so The second right connecting plate can also be adjusted to connect with a second right tie rod, and the other end of the second right tie rod is connected with the main body frame.

In the aforementioned asphalt paver, the adjustment plate has a long waist hole.

In the aforementioned asphalt paver, wherein, the first left connecting plate and the first right connecting plate have elongated waist holes.

The above-mentioned asphalt paver, wherein, the second left connecting plate and the second right connecting plate have elongated waist holes.

The beneficial effect of the utility model is that the height adjustment mechanism of the screw propeller is used to adjust the distance between the screw propeller and the ground, and the operation is convenient; at the same time, it is equipped with a folding mechanism that can fold down the roof, which is convenient for the paver to pass through the low bridge and culvert, and It is convenient for it to work in a lower net space; in addition, the additional screw rod is connected with the main screw rod through the connecting plate, which facilitates the synchronous adjustment of the main screw rod and the additional screw rod.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is the paver right view of the utility model;

Fig. 2 is the rear view of the paver of the present utility model without the screed device;

Fig. 3 is a partial schematic diagram of the adjusting plate of the present invention.

Among them, reference signs

100 paver

1 main frame

2 upper bracket

3 canopy

3′ canopy folded down

4 lower bracket

5 hinge mechanism

6 Buffer gas spring

7 locking mechanism

8 rack rear panel

9 adjustment plate

91 elongated waist hole

10 drivers

110 screw propeller

11 transfer case

121 left screw rod

122 right screw rod

123 The first left additional screw rod

124 The first right additional screw rod

125 Second left additional screw rod

126 Second right additional screw rod

13 Hanger

141 The first left connecting plate

142 The first right connecting plate

143 Second left connecting plate

144 Second right connecting plate

151 The first left tie rod

152 The first right tie rod

153 Second left link

154 Second right tie rod

20 ironing device

30 Cab

Detailed ways

Below in conjunction with accompanying drawing, paver structure of the present utility model is specifically described:

Referring to Fig. 1 right side view of the paver of the present utility model and Fig. 2 rear view of the paver of the present utility model without the screed device, as shown in the figure, the paver 100 of the present utility model includes The cab 30 above, the main body frame 1 at the front, the ironing device 20 at the rear and the screw propeller 110 between the main body frame 1 and the ironing device 20, wherein the main body frame 1 has a frame The rear panel 8 , the paver 100 also includes a height adjustment mechanism for adjusting the distance between the auger and the ground, wherein the main body frame 1 has a frame rear panel 8 .

The height adjustment mechanism mainly includes an adjustment plate 9 that is adjustably installed on the rear panel 8 of the frame, and a driving member 10 that is fixedly installed on the rear panel 8 of the frame. Wherein, the position of the adjustment plate 9 relative to the frame rear panel 8 can be adjusted up and down. Specifically, the adjustment plate 9 has an elongated waist hole 91 as shown in Figure 3, by changing the elongated waist hole 91 and the frame rear panel 8, the purpose of adjustment can be realized, of course, the elongated waist hole 91 here can also be set as a plurality of mounting holes. The driver 10 can be an oil cylinder or an air cylinder, and the oil cylinder is preferably selected here. The piston rod of the driver 10 is hinged with the adjustment plate 9, and the screw propeller 110 is installed on the adjustment plate 9. 10 stroke of the piston rod to achieve the purpose of adjusting the screw propeller up and down. In order to facilitate the control of the operator, the driving part 10 is connected to a solenoid valve, and a control panel is set at a convenient position in the cab 30. By manipulating The switch on the control panel controls the action of the solenoid valve to control and adjust the stroke of the piston rod of the driving part 10 to adjust the height of the screw propeller 110 relative to the ground. Since this kind of control setting belongs to the category of the prior art, we will not do more here repeat.

The screw propeller 110 of the present utility model comprises a transfer case 11 and a left screw rod 121 and a right screw rod 122 respectively connected to the left and right sides of the transfer case 11. The transfer case 11 is installed on the adjusting plate 9, and the left screw The rod 121 and the right screw rod 122 are installed on the adjusting plate 9 through the hanger 13 respectively. In order to increase the paving surface of the paver, the left side of the left screw rod 121 is connected to the first left additional screw rod 123 through the first left connecting plate 141, and the right side of the right screw rod 122 is connected to the first left connecting plate 142 through a first right connecting plate 142. A right additional screw rod 124, wherein, the first left connecting plate 141 can also be adjusted to connect a first left tie rod 151, the other end of the first left tie rod 151 is connected with the main body frame 1, and the first right connecting plate 142 can also be adjusted A first right tie rod 152 is connected, and the other end of the first right tie rod 152 is connected with the main frame 1 .

In order to further increase the paving surface of the paver, the left side of the first left additional screw rod 123 is connected to a second left additional screw rod 125 by a second left connecting plate 143, and the right side of the first right additional screw rod 124 passes through A second right connecting plate 144 is connected with a second right additional screw rod 126, wherein the second left connecting plate 143 can also be adjusted to connect with a second left tie rod 153, and the other end of the second left tie rod 153 is connected with the main frame 1 , the second right connecting plate 144 can also be adjusted to connect with a second right tie rod 154 , and the other end of the second right tie rod 154 is connected with the main body frame 1 . Wherein, the first left connecting plate 141 , the first right connecting plate 142 , the second left connecting plate 143 and the second right connecting plate 144 all have elongated waist holes (not shown in the figure).

In order to provide operators with a comfortable operating environment, and to facilitate the paver to pass through low bridges and culverts, and to facilitate its work in a lower clear space, the paver 100 of the present utility model is equipped with a canopy 3 and a canopy Folding mechanism, the canopy 3 is arranged above the cab 30, the canopy folding mechanism includes an upper bracket 2, a lower bracket 4, a hinge mechanism 5, a buffer gas spring 6 and a locking mechanism 7, the canopy 3 is hinged to the upper bracket 2 , the upper bracket 2 and the lower bracket 4 are hinged through the hinge mechanism 5, the lower bracket 4 is fixedly connected with the main body frame 1, one end of the buffer gas spring 6 is fixedly connected with the upper bracket 2, and the other end is fixedly connected with the lower bracket 4, and the locking mechanism 7 is provided At the hinge of the upper bracket 2 and the lower bracket 4, the upper bracket and the lower bracket are locked in position. When the paver needs to pass through low bridges and culverts or needs to work in a lower clear space, it can control the action of the buffer gas spring 6 to fold down the canopy 3, and the folded canopy is shown in Figure 1 Folded canopy 3'.

When adjusting the height of the screw propeller 110, loosen the connecting bolts between the transfer case 11 and the adjusting plate 9, and at the same time loosen the first left connecting plate 141 and the first left tie rod 151, the first right connecting plate 142 and the The connecting bolts between the first right tie rod 152, the second left connecting plate 143 and the second left tie rod 153 and the second right connecting plate 144 and the second right tie rod 154 are controlled by the operation of the switch on the control panel to control the solenoid valve. The height of the screw propeller can be adjusted by controlling the piston stroke of the driver 10 . After adjustment, fasten the connecting bolts between the transfer case 11 and the adjustment plate 9, tighten the connecting bolts between each connecting plate and the tie rods, and complete the synchronous adjustment of the main screw rod and the additional screw rod. The adjustment process is convenient and the work efficiency is high , greatly reducing the labor intensity of the operator.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1. An asphalt paver, comprising a cab above, a main body frame at the front, a screed device at the rear and a screw propeller between the main body frame and the screed device, wherein the main body The frame has a frame rear panel, which is characterized in that it also includes a screw propeller height adjustment mechanism, and the height adjustment mechanism includes an adjustment plate, which is adjustably mounted on the rear panel of the rack; A driver, which is fixedly installed on the rear panel of the frame, and the piston rod of the driver is hinged to the adjustment plate; The screw propeller is installed on the adjusting plate. 2. The asphalt paver according to claim 1, characterized in that the top of the cab further includes a roof and a roof folding mechanism, the roof folding mechanism includes an upper bracket and a lower bracket, the The ceiling is hinged with the upper bracket, the upper bracket is hinged with the lower bracket, and the lower bracket is fixedly connected with the main frame. 3. The asphalt paver according to claim 2, wherein the canopy folding mechanism further includes a buffer gas spring, one end of the buffer gas spring is fixedly connected to the upper bracket, and the other end is connected to the upper bracket. The following brackets are fixedly connected. 4. The asphalt paver according to claim 2 or 3, characterized in that a locking mechanism is provided at the hinge joint of the upper bracket and the lower bracket to position and lock the upper bracket and the lower bracket . 5. The asphalt paver according to claim 1 or 2, characterized in that the screw propeller includes a transfer case and a left screw rod and a right screw connected to the left and right sides of the transfer case respectively. Rod, wherein, the transfer case is installed on the adjustment plate, and the left and right screw rods are respectively installed on the adjustment plate through a hanger. 6. The asphalt paver according to claim 5, characterized in that, the left side of the left screw rod is connected to a first left additional screw rod through a first left connecting plate, and the left side of the right screw rod The right side is connected to a first right additional screw rod through a first right connecting plate, wherein, the first left connecting plate can also be adjusted to connect a first left tie rod, and the other end of the first left tie rod is connected to the main frame connected, the first right connecting plate can also be adjusted to connect with a first right tie rod, and the other end of the first right tie rod is connected with the main body frame. 7. The asphalt paver according to claim 6, characterized in that, the left side of the first left additional screw rod is connected to a second left additional screw rod through a second left connecting plate, and the first left additional screw rod The right side of a right additional screw rod is connected to a second right additional screw rod through a second right connecting plate, wherein, the second left connecting plate can also be adjusted to connect to a second left tie rod, and the other end of the second left tie rod Connected with the main body frame, the second right connecting plate can also be adjusted to connect with a second right tie rod, and the other end of the second right tie rod is connected with the main body frame. 8. The asphalt paver according to claim 1, characterized in that the adjustment plate has a long waist hole. 9. The asphalt paver according to claim 6, wherein the first left connecting plate and the first right connecting plate have elongated waist holes. 10. The asphalt paver according to claim 7, characterized in that the second left connecting plate and the second right connecting plate have elongated waist holes.

Images