A spraying machine frame for road construction and maintenance

Abstract

The invention discloses a spray machine frame for road construction and maintenance, comprising a frame, a walking bracket and a walking wheel, wherein a water tank is arranged on the frame, a camshaft mounting frame, a camshaft, a cam arranged at the end of the camshaft, a nozzle mounting frame installed on the side wall of the cam and a multi-hole nozzle are arranged at the bottom of the frame above the maintenance road surface, and a driving motor and a transmission mechanism connected with the driving motor for simultaneously driving the camshaft to rotate are arranged on the frame; the invention arranges a water tank on the frame, and a transmission mechanism, a plurality of cams and a plurality of multi-hole nozzles are arranged below the water tank, and all cams are driven to rotate simultaneously through the transmission mechanism, and the cam mechanism drives the multi-hole nozzles to move back and forth in the width direction of the maintenance road surface, and the multi-hole nozzles are connected with the water tank, and the water spraying mode of the multi-hole nozzles is combined, so that not only the spraying range of the spray machine frame can be improved, the water spraying is uniform, but also the maintenance road surface can be sprayed once and the spraying effect without dead angle is good.

Description

Technical Field

[0001] The invention belongs to the technical field of fixed flushing equipment for sprinkling liquid onto roads or similar road surfaces, for example, for dust control, and specifically relates to a spraying rack for road construction and maintenance. Background Art

[0002] After the slipform paving of cement concrete pavement and the production of surface anti-skid structure are completed, maintenance should be carried out in time; in the early stage of maintenance, in order to prevent cement concrete from being exposed to the sun and rain, the pavement maintenance should adopt convenient and economical spraying curing agents or plastic film maintenance methods; you can also use covering that can store water such as old sacks, straw bags, straw mats, straw, but do not cover too early, otherwise traces of sacks will remain on the road surface, and other watering maintenance methods; for large-scale and high-speed slipform paving, the existing maintenance water spraying device sprays water unevenly, the water spraying range is small, the water consumption is relatively large, and multiple back and forth operations are required. Summary of the invention

[0003] In view of this, the object of the present invention is to provide a spray rack for road construction and maintenance, wherein a water tank is arranged on the frame, and a transmission mechanism, a plurality of cams and a plurality of porous nozzles are arranged below the water tank. All cams are driven to rotate by the transmission mechanism at the same time, and the cam mechanism drives the porous nozzles to move back and forth in the width direction of the maintained road surface. The porous nozzles and the water tank are connected. Combined with the water spraying method of the porous nozzles, not only can the spray range of the spray rack be improved and the water spraying be uniform, but also the maintained road surface can be sprayed once and without dead angles.

[0004] In view of this, the object of the present invention is to provide a spray machine frame for road construction and maintenance, comprising a frame straddling the road surface to be maintained, the bottom of both ends of the frame are provided with a walking bracket and a walking wheel extending out of the road surface to be maintained, a water tank is provided on the frame, and the bottom of the frame is located above the road surface to be maintained and is provided with no less than two camshaft mounting frames, a camshaft rotatably mounted on the camshaft mounting frame and arranged one-to-one with the camshaft mounting frame, a cam arranged at the end of the camshaft, a nozzle mounting frame installed on the side wall of the cam near the far end of the cam, and a multi-hole nozzle installed on the nozzle mounting frame.

[0005] The frame is provided with a driving motor and a transmission mechanism connected with the driving motor for simultaneously driving the camshaft to rotate.

[0006] Furthermore, the multi-porous nozzle includes a core shaft and a water spray disc mounted on the core shaft, a pair of bearings mounted on the core shaft are arranged in the water spray disc, the bearings are arranged near both sides of the water spray disc, water spray holes are evenly distributed on the side walls of the water spray disc, water spray channels connected to the water spray holes one by one are arranged in the water spray disc, a water outlet ring groove connected to the water spray channels is arranged on the inner wall of the water spray disc at a middle position of a pair of bearings, sealing components for sealing the water outlet ring groove are mounted on both sides of the water outlet ring groove on the core shaft, a water inlet joint connected to a water tank is arranged on the core shaft, a water channel connected to the water inlet joint is arranged in the core shaft, and a water outlet hole connecting the water channel and the water outlet ring groove is arranged on the outer wall of the core shaft.

[0007] Furthermore, the water inlet joint is configured as a water inlet cone joint, and the bottom of the water tank is connected to a water inlet hose that is configured in a one-to-one correspondence with the water inlet cone joint.

[0008] Furthermore, the transmission mechanism includes a transverse transmission shaft connected to the driving motor, a driving bevel gear mounted on the transverse transmission shaft and arranged one-to-one with each porous nozzle, a longitudinal transmission shaft arranged one-to-one with the driving bevel gear, a driven bevel gear mounted on the longitudinal transmission shaft and used to mesh with the driving bevel gear, a driving sprocket mounted on the longitudinal transmission shaft, and a driven sprocket mounted on the camshaft, and a chain is connected between the driving sprocket and the driven sprocket.

[0009] Furthermore, the water spray disc comprises a disc body and a sleeve formed integrally with the disc body, the water spray holes are arranged on the disc body, the disc body is sleeved on the sleeve near one end, and the sleeve is sleeved on the core shaft.

[0010] Furthermore, a sealing groove for installing a sealing assembly is provided on the inner wall of the sleeve.

[0011] Furthermore, a shoulder for limiting the sleeve and the bearing is provided in the middle of the core shaft, a wear-resistant sleeve is provided between the bearing and the shoulder, and the other end of the sleeve away from the shoulder is connected to a mounting cover plate pressed on the bearing on the other side, the mounting cover plate is sleeved on the core shaft and fixed to the second shoulder of the core shaft by inner ring bolts, and the mounting cover plate is fixed to the side wall of the sleeve by outer ring bolts.

[0012] Furthermore, a travel motor for driving the travel wheels to rotate is arranged at the bottom of the frame.

[0013] Furthermore, a hinge shaft is fixedly installed on the side wall of the cam near the far end of the cam, and the nozzle mounting frame is rotatably sleeved on the hinge shaft.

[0014] Furthermore, the driven sprocket and the cam are arranged on both sides of the camshaft mounting frame.

[0015] The beneficial effects of the present invention are:

[0016] The present invention discloses a spray machine frame for road construction and maintenance. A water tank is arranged on the frame, and a transmission mechanism, a plurality of cams and a plurality of porous nozzles are arranged below the water tank. All cams are driven to rotate simultaneously by the transmission mechanism, and the cam mechanism drives the porous nozzles to move back and forth in the width direction of the road surface to be maintained. The porous nozzles and the water tank are connected. Combined with the water spraying method of the porous nozzles, not only can the spraying range of the spray machine frame be improved and the water spraying be uniform, but also the road surface to be maintained can be sprayed once and without dead angles, and the spraying effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a spray rack for road construction and maintenance according to the present invention;

[0018] Figure 2 This is a diagram showing the installation status of a sprinkler head in a sprinkler frame for road construction and maintenance according to the present invention;

[0019] Figure 3 This is a cross-sectional view of a nozzle in a spray rack for road construction and maintenance according to the present invention;

[0020] Figure 4 The present invention is a top view of a sprinkler transmission structure in a sprinkler frame for road construction and maintenance.

[0021] 1-axle; 2-spray disc; 3-water inlet cone joint; 4-water channel; 5-mounting cover plate; 6-bearing; 7-water outlet hole; 8-water outlet ring groove; 9-sealing assembly; 10-shaft shoulder; 11-wear-resistant sleeve; 12-sleeve; 13-spray hole; 14-water tank; 15-walking wheel; 16-walking bracket; 17-walking motor; 18-frame; 19-water spray channel; 20-spray head mounting frame; 21-articulated shaft; 22-cam; 23-camshaft; 24-camshaft mounting frame; 25-drive motor; 26-water inlet hose; 27-driven sprocket; 28-transverse transmission shaft; 29-driving bevel gear; 30-driven bevel gear; 31-longitudinal transmission shaft; 32-driving sprocket. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-4The figure shows a schematic diagram of the structure of a spray rack for road construction and maintenance of the present invention; the spray rack for road construction and maintenance of the present invention comprises a frame 18 spanning across the maintenance road surface, the bottom of both ends of the frame 18 are provided with a walking bracket 16 and a walking wheel 15 extending out of the maintenance road surface, the frame 18 is provided with a water tank 14, the bottom of the frame 18 is located above the maintenance road surface and is provided with no less than two camshaft mounting frames 24, a camshaft 23 rotatably mounted on the camshaft mounting frames 24 and arranged one-to-one with the camshaft mounting frames 24, a cam 22 arranged at the end of the camshaft 23, a nozzle mounting frame 21 installed on the side wall of the cam 23 near the far end of the cam 23, and a multi-hole nozzle installed on the nozzle mounting frame 21,

[0024] The frame 18 is provided with a driving motor 25 and a transmission mechanism connected to the driving motor 25 for simultaneously driving the camshaft to rotate.

[0025] In the present embodiment, during the maintenance process, the walking wheel 15 is driven to move the spray trolley on the maintained road surface. During the movement, water from the water tank is sprayed out from the porous nozzles, and all the camshafts 23 and cams 22 are driven to rotate simultaneously through the transmission mechanism, so that the nozzle mounting frame 21 and the porous nozzles rotate with the cams 22, and the cams drive the porous nozzles to move back and forth in the width direction of the maintained road surface. The porous nozzles and the water tank are connected, and the water spraying method of the porous nozzles can not only improve the spraying range of the spray frame and spray water evenly, but also can spray the maintained road surface once and spray without dead angles.

[0026] In a preferred embodiment, the multi-hole nozzle comprises a core shaft 1 and a water spray disc 2 mounted on the core shaft 1, wherein a pair of bearings 6 mounted on the core shaft 2 are arranged in the water spray disc 2, wherein the bearings 6 are arranged near both sides of the water spray disc 2, and water spray holes 13 are evenly distributed on the side wall of the water spray disc 2, and a water spray channel 19 connected to the water spray holes 13 in a one-to-one correspondence is arranged in the water spray disc 2, and a water outlet ring groove 8 connected to the water spray channel 19 is arranged on the inner wall of the water spray disc 2 at a middle position of a pair of bearings 6, and the core shaft 1 is located at the water outlet ring groove 8. Sealing components 9 for sealing the water outlet ring groove 8 are mounted on both sides of the groove 8, a water inlet joint connected to the water tank 14 is arranged on the core shaft 1, a water channel 4 connected to the water inlet joint is arranged inside the core shaft 1, and a water outlet hole 7 connecting the water channel 4 and the water outlet ring groove 8 is arranged on the outer wall of the core shaft 1. In this embodiment, water from the water tank enters the water channel 4, and is sprayed out through the water outlet hole 7, the water outlet ring groove 8, the water spray channel 19 and the water spray hole 13 in sequence. At the same time, the sealing component 9 and the bearing 6 are used to seal the water outlet ring groove 8, so as to facilitate the water spraying of the water spray disc 2.

[0027] In a preferred embodiment, the water inlet joint is configured as a water inlet cone joint 4, and the bottom of the water tank is connected to a water inlet hose 26 which is arranged in a one-to-one correspondence with the water inlet cone joint. This embodiment conveniently utilizes the water level difference for water supply, and the water in the water tank directly enters the water channel 4 of the core shaft 1 through the water inlet hose 26. It has a simple structure, low cost, light weight, and easy operation. This embodiment can also adopt a water pump water supply structure, which will not be described in detail here.

[0028] In a preferred embodiment, the transmission mechanism includes a transverse transmission shaft 28 connected to the drive motor 25, a driving bevel gear 29 mounted on the transverse transmission shaft 28 and corresponding to each porous nozzle, a longitudinal transmission shaft 30 corresponding to the driving bevel gear 29, a driven bevel gear 31 mounted on the longitudinal transmission shaft 30 and used to mesh with the driving bevel gear 29, a driving sprocket 32 ​​mounted on the longitudinal transmission shaft 30, and a driven sprocket 27 mounted on the camshaft 23, a chain is connected between the driving sprocket 29 and the driven sprocket 31, and the structure of the present embodiment is conducive to controlling the porous nozzles to work simultaneously, thereby improving the efficiency of pavement maintenance work.

[0029] In a preferred embodiment, the water spray disc 2 includes a disc body and a sleeve 12 integrally formed with the disc body, the water spray hole is arranged on the disc body, the disc body is sleeved on the sleeve 12 near one end, and the sleeve 12 is sleeved on the core shaft 1. The structure of this embodiment facilitates the water spray disc 2 to be rotated and sleeved on the core shaft 1 through the sleeve 12, and the structure is simple and easy to process.

[0030] In a preferred embodiment, a sealing groove for installing a sealing assembly is provided on the inner wall of the sleeve 12 . This structure in the present embodiment facilitates the assembly of the sleeve 12 onto the core shaft 1 .

[0031] In a preferred embodiment, a shoulder 10 for limiting the position of the sleeve 12 and the bearing 6 is provided in the middle of the core shaft 2, a wear-resistant sleeve 11 is provided between the bearing 6 and the shoulder 10, and the other end of the sleeve 12 away from the shoulder 10 is connected to a mounting cover plate 5 pressed against the bearing on the other side, the mounting cover plate 5 is sleeved on the core shaft 1 and fixed to the second shoulder of the core shaft 1 by inner ring bolts, and the mounting cover plate 5 is fixed to the side wall of the sleeve 12 by outer ring bolts. In the installation process of this structure in this embodiment, the sealing assembly is firstly 9 is installed in the sleeve 12, and then the wear-resistant sleeve 11 and the inner bearing 6 are successively mounted on the core shaft 1 and moved to the shaft shoulder 10, and then the water spray disc 2 is mounted on the core shaft 1. Before moving into place, the inner bearing 6 and the wear-resistant sleeve 11 are adjusted to the appropriate position so that the water spray disc 2 is completely mounted on the core shaft 1, and then the outer bearing 6 is mounted on the core shaft, and finally the installation cover plate 5 is mounted on the core shaft 1, and fixed by the inner ring bolts and the outer ring bolts respectively, so as to realize the limit fixation of the water spray disc 2 and the bearing 5.

[0032] In a preferred embodiment, a travel motor 17 for driving the travel wheels to rotate is disposed at the bottom of the vehicle frame 18 .

[0033] In a preferred embodiment, a hinge shaft 21 is fixedly installed on the side wall of the cam 22 near the far end of the cam 22, and the nozzle mounting frame 20 is rotatably mounted on the hinge shaft 21. This structure of the present embodiment is beneficial for the nozzle mounting frame 20 to maintain vertical balance during the rotation of the cam 22, thereby preventing the nozzle mounting frame 20 from deflecting back and forth in the vertical direction when the nozzle mounting frame 20 moves with the hinge shaft 21.

[0034] In a preferred embodiment, the driven sprocket 27 and the cam 22 are arranged on both sides of the camshaft mounting frame 24 . This embodiment reduces the rotational friction of the camshaft 23 .

[0035] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A spraying machine frame for road construction and maintenance, comprising a frame straddling a road surface to be maintained, wherein the bottom of both ends of the frame are provided with a traveling support and a traveling wheel extending out of the road surface to be maintained, and characterized in that: The frame is provided with a water tank, the bottom of the frame is provided with no less than two camshaft mounting frames above the maintenance road surface, a camshaft rotatably mounted on the camshaft mounting frames and arranged one-to-one with the camshaft mounting frames, a cam arranged at the end of the camshaft, a nozzle mounting frame installed on the cam side wall near the far end of the cam, and a multi-hole nozzle installed on the nozzle mounting frame, a hinge shaft is fixedly installed on the cam side wall near the far end of the cam, and the nozzle mounting frame is rotatably sleeved on the hinge shaft; The frame is provided with a driving motor and a transmission mechanism connected to the driving motor for simultaneously driving the camshaft to rotate; The multi-hole nozzle comprises a core shaft and a water spray disc sleeved on the core shaft, a pair of bearings sleeved on the core shaft are arranged in the water spray disc, the bearings are arranged near both sides of the water spray disc, water spray holes are evenly distributed on the side walls of the water spray disc, a water spray channel connected with the water spray holes one by one is arranged in the water spray disc, a water outlet ring groove connected with the water spray channel is arranged at the middle position of the pair of bearings on the inner wall of the water spray disc, sealing components for sealing the water outlet ring groove are sleeved on both sides of the water outlet ring groove on the core shaft, a water inlet joint connected with the water tank is arranged on the core shaft, a water channel connected with the water inlet joint is arranged in the core shaft, and a water outlet hole connecting the water channel and the water outlet ring groove is arranged on the outer wall of the core shaft; The water inlet joint is configured as a water inlet cone joint, and the bottom of the water tank is connected to a water inlet hose configured in a one-to-one correspondence with the water inlet cone joint; A shoulder for limiting the position of the sleeve and the bearing is provided in the middle of the core shaft, a wear-resistant sleeve is provided between the bearing and the shoulder, the other end of the sleeve away from the shoulder is connected to a mounting cover plate pressed on the bearing on the other side, the mounting cover plate is sleeved on the core shaft and fixed to the second shoulder of the core shaft by inner ring bolts, and the mounting cover plate is fixed to the side wall of the sleeve by outer ring bolts.

2. A road construction and maintenance spray rack according to claim 1, characterized in that: The transmission mechanism includes a transverse transmission shaft connected to the driving motor, a driving bevel gear sleeved on the transverse transmission shaft and arranged one-to-one with each porous nozzle, a longitudinal transmission shaft arranged one-to-one with the driving bevel gear, a driven bevel gear sleeved on the longitudinal transmission shaft and used for meshing with the driving bevel gear, a driving sprocket sleeved on the longitudinal transmission shaft and a driven sprocket sleeved on the camshaft, and a chain is connected between the driving sprocket and the driven sprocket.

3. A road construction and maintenance spray rack according to claim 2, characterized in that: The water spray disc comprises a disc body and a sleeve formed integrally with the disc body, the water spray holes are arranged on the disc body, the disc body is sleeved on a portion of the sleeve near one end, and the sleeve is sleeved on a core shaft.

4. A road construction and maintenance spray rack according to claim 3, characterized in that: A sealing groove for installing a sealing component is arranged on the inner wall of the sleeve.

5. The road construction and maintenance spraying rack according to claim 1, characterized in that: A travel motor for driving the travel wheels to rotate is arranged at the bottom of the frame.

6. A road construction and maintenance spray rack according to claim 2, characterized in that: The driven sprocket and the cam are arranged on both sides of the camshaft mounting frame.

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