Concrete pavement expansion joint construction device

Abstract

The utility model discloses a concrete pavement expansion joint construction device, which relates to the technical field of road construction and particularly comprises a vehicle body, a water tank is fixed at the top of the vehicle body, a water pump, an air blower, a return pipe and an automatic exhaust valve are arranged at the top of the water tank, and one side of the vehicle body is connected with a spraying structure through a lifting translation structure. The water inlet end of the water pump extends to the bottom end of the inner cavity of the water tank through a connecting water pipe, the spraying structure comprises a spraying pipe connected with the lifting translation structure, and wind shields are fixed to the two ends of the spraying pipe. According to the concrete pavement expansion joint construction device, through the arrangement of the wind shield, the wind shield can protect a sprayed curing agent, the curing agent is prevented from being blown away by wind, and waste of the curing agent is reduced; and through the arrangement of the lifting translation structure, the position and height of the spraying structure can be adjusted according to requirements, so that the device can adapt to concrete pavement expansion joints with various widths, and the adaptability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a concrete pavement expansion joint construction device. Background Art

[0002] Expansion joints are gaps set up to prevent asphalt concrete pavement from expanding and contracting due to heat and cold, and to cope with uneven settlement of the pavement and construction interruptions. During the construction process, expansion joints of concrete pavements need to be maintained, generally by spraying curing agents and moisturizing covering, or by covering geotextiles, geotextiles and other water-spraying wet curing methods. When spraying water or spraying curing agents, a pavement maintenance spraying device is required.

[0003] In the prior art, some solutions for pavement maintenance spraying devices are disclosed. For example, in the authorized patent document with application number CN202320167126.2, a spraying device for pavement maintenance is disclosed, including a mounting seat, a water tank is installed on the mounting seat, a water pump is installed on the front side of the water tank, the water inlet end of the water pump is connected to the water tank through a water inlet pipe, a fixed pipe is fixedly connected to the front side of the water tank, and the fixed pipe is connected to the water outlet end of the water pump through a water outlet pipe, and both ends of the fixed pipe are covered with sliding sealed moving pipes and other components.

[0004] When the above solution is used, the spraying height is fixed, and the sprayed curing agent is easily blown away by the wind. After use, some curing agent will remain in the water pipe, resulting in a waste of curing agent. At the same time, it is not easy to keep the inside of the water pipe dry, and the water pipe is easily corroded. Based on this, the present application proposes a concrete pavement expansion joint construction device. Utility Model Content

[0005] The utility model provides a concrete pavement expansion joint construction device, which solves the problems proposed in the above-mentioned background technology that the spraying height is fixed, the sprayed curing agent is easily blown away by the wind, causing waste, and after the curing agent is sprayed, some curing agent will remain in the water pipe, causing waste of curing agent, and the inside of the water pipe is not easy to keep dry and the water pipe is prone to corrosion.

[0006] The utility model provides the following technical solution: a concrete pavement expansion joint construction device, comprising a vehicle body, a water tank is fixed on the top of the vehicle body, a water pump, a blower, a return pipe and an automatic exhaust valve are arranged on the top of the water tank, one side of the vehicle body is connected with a spraying structure through a lifting and translation structure, and the water inlet end of the water pump extends to the bottom end of the inner cavity of the water tank through a connecting water pipe;

[0007] The spraying structure includes a spraying pipe connected to the lifting and translation structure, wind shields are fixed to both ends of the spraying pipe, one end of the spraying pipe is connected to the water outlet of the water pump through the water inlet pipe, the air outlet of the blower is connected to the end of the water inlet pipe close to the water pump through the dehumidification pipe, and a one-way valve is provided at the end of the dehumidification pipe, and the other end of the spraying pipe is connected to the return pipe through the connecting pipe;

[0008] The spray pipe includes an outer tube connected to a water inlet pipe and an inner tube movably connected to the inner cavity of the outer tube. The end of the inner tube away from the water inlet pipe is connected to a connecting pipe. The bottom of the outer tube and the bottom of the inner tube are both provided with water leakage holes. A nozzle is provided at the bottom of the water leakage hole on the outer tube.

[0009] Preferably, the lifting and translation structure includes an electric telescopic rod 1 connected to the water tank and an electric telescopic rod 2 fixedly connected to the bottom of the electric telescopic rod 1, and the electric telescopic rod 2 is fixedly connected to the spray pipe.

[0010] Preferably, a dust filter screen is fixedly connected to the air inlet end of the blower.

[0011] Preferably, a first ball valve is provided at the liquid inlet end of the nozzle, and a second ball valve is provided at one end of the connecting pipe.

[0012] Preferably, the windshield is inclined, and the two windshields form an outward-expanding structure.

[0013] Preferably, a handle is movably connected to one end of the vehicle body away from the spraying structure, the handle is fixedly connected to the vehicle body by bolts, and a universal wheel is provided at the bottom of the vehicle body.

[0014] Preferably, an observation window is provided on one side of the water tank, and a liquid level meter is provided inside the water tank.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The concrete pavement expansion joint construction device can protect the sprayed curing agent by setting a wind shield to prevent the curing agent from being blown away by wind, thereby reducing the waste of the curing agent; by setting a lifting and translation structure, the position and height of the spraying structure can be adjusted according to demand, so that the device can adapt to concrete pavement expansion joints of various widths, thereby improving the adaptability of the device.

[0017] 2. The concrete pavement expansion joint construction device, through the setting of the blower, dehumidification pipe and spraying pipe, when the leakage hole on the outer pipe and the leakage hole on the inner pipe are in a staggered state, the blower can blow air into the dehumidification pipe and the spraying pipe. During the movement of the air, the residual curing agent in the water inlet pipe and the spraying pipe can be blown into the water tank to realize the recovery of the curing agent. The air can also dry the water inlet pipe and the spraying pipe, which is convenient for the storage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the structure of the utility model;

[0019] Figure 2 The utility model structure Figure 1 Schematic diagram on the left;

[0020] Figure 3 This is a schematic diagram of the bottom of the spray structure of the utility model;

[0021] Figure 4 The utility model structure Figure 3 Schematic cross-section;

[0022] Figure 5 This is a schematic diagram of the explosion of the spray pipe structure of the utility model.

[0023] In the figure: 1. vehicle body; 2. water tank; 3. water pump; 4. blower; 5. exhaust valve; 6. return pipe; 7. connecting pipe; 8. outer pipe; 9. wind shield; 10. second ball valve; 11. dehumidification pipe; 12. dust filter cover; 13. water inlet pipe; 14. electric telescopic rod 1; 15. electric telescopic rod 2; 16. first ball valve; 17. nozzle; 18. inner pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a concrete pavement expansion joint construction device, comprising a vehicle body 1, a water tank 2 is provided on the top of the vehicle body 1, and the water tank 2 is used to store liquid for curing the concrete pavement expansion joint. An observation window is provided on one side of the water tank 2, through which the user can intuitively see the content of the curing agent in the water tank 2, and a liquid level gauge is provided in the inner cavity of the water tank 2, the model of the liquid level gauge can be JM-UHZ, through the setting of the liquid level gauge, the liquid level gauge can monitor the liquid level in the water tank 2 in real time, and can remind the staff to replenish water in the water tank 2 in time through its alarm function.

[0026] The top of the water tank 2 is provided with a water pump 3, a blower 4, a return pipe 6 and an automatic exhaust valve 5. A connecting water pipe is fixed to the water inlet end of the water pump 3, and the other end of the connecting water pipe extends to the bottom end of the inner cavity of the water tank 2. Through the setting of the connecting water pipe, the water pump 3 can pump out the curing liquid in the water tank 2. The bottom of the return pipe 6 is located at the top end of the inner cavity of the water tank 2. When the device is in use, the automatic exhaust valve 5 can be used to exhaust the excess gas in the water tank 2.

[0027] A lifting and translation structure is provided on one side of the water tank 2, and the lifting and translation structure includes an electric telescopic rod 14 connected to the water tank 2 and an electric telescopic rod 2 15 fixedly connected to the bottom of the electric telescopic rod 14, and the electric telescopic rod 14 is telescopic in the vertical direction, and the electric telescopic rod 2 15 is telescopic in the horizontal direction. The other end of the electric telescopic rod 2 15 is fixedly connected with a spraying structure. Through the arrangement of the electric telescopic rod 14 and the electric telescopic rod 2 15, the extension and retraction of the electric telescopic rod 14 can change the height of the spraying structure, and the extension and retraction of the electric telescopic rod 2 15 can change the position of the spraying structure, thereby expanding the spraying range of the spraying structure and facilitating the use of the device.

[0028] The spraying structure includes a spraying pipe fixedly connected to the other end of the electric telescopic rod 15, and the spraying pipe includes an outer tube 8 connected to the electric telescopic rod 15 and an inner tube 18 movably connected to the inner cavity of the outer tube 8. The bottom of the inner tube 18 and the bottom of the outer tube 8 are evenly provided with leakage holes, and the bottom of the leakage hole on the outer tube 8 is provided with a nozzle 17. In this way, when the leakage hole on the outer tube 8 and the leakage hole on the inner tube 18 are in an overlapping state, the liquid in the spraying pipe can be sprayed out through the nozzle 17. When the leakage hole on the outer tube 8 and the leakage hole on the inner tube 18 are in a staggered state, the liquid inlet end of the nozzle 17 is blocked by the inner tube 18, and the liquid in the spraying pipe cannot be sprayed out from the nozzle 17.

[0029] A first ball valve 16 is provided at the liquid inlet end of the nozzle 17. Through the setting of the first ball valve 16, the user can control the on-off of the liquid inlet end of the nozzle 17 by twisting the valve stem of the first ball valve 16, so that when the device is in use, the user can adjust the number and position of the working nozzles 17 according to needs, thereby improving the adaptability of the device.

[0030] An inlet pipe 13 is fixed to one end of the outer tube 8 close to the electric telescopic rod 2 15, and the other end of the inlet pipe 13 is fixedly connected to the water outlet end of the water pump 3, and a one-way valve is provided at the other end of the inlet pipe 13. Through the setting of the water pump 3, under the action of the water pump 3, the water pump 3 can pump the liquid in the water tank 2 into the spray pipe.

[0031] The end of the inner tube 18 away from the water inlet pipe 13 is fixed with a connecting pipe 7, one end of the connecting pipe 7 is provided with a second ball valve 10, and the other end of the connecting pipe 7 is fixedly connected to the return pipe 6. Through the setting of the second ball valve 10, the second ball valve 10 can control the opening and closing of the inner cavity of the connecting pipe 7. When the inner cavity of the connecting pipe 7 is in an open state, the liquid in the spray pipe can enter the water tank 2 through the connecting pipe 7 and the return pipe 6. The above-mentioned water inlet pipe 13 and connecting pipe 7 are both telescopic pipes. In some embodiments of the present application, the connecting pipe 7 and the water inlet pipe 13 are both corrugated pipes.

[0032] Wind shields 9 are fixed at both ends of the outer tube 8. The wind shields 9 are inclined, and the two wind shields 9 form an outward expansion structure. Through the setting of the wind shields 9, when the device is in use, the wind shields 9 can realize the function of wind shielding to prevent the wind from blowing away the curing agent.

[0033] The air inlet end of the blower 4 is fixedly connected with a dust filter screen 12, and the air outlet end of the blower 4 is fixedly connected with a dehumidification pipe 11. The other end of the dehumidification pipe 11 is fixedly connected with one end of the water inlet pipe 13 close to the water pump 3, and a one-way valve is provided at the end of the dehumidification pipe 11. Through the setting of the blower 4, the blower 4 can blow air into the water inlet pipe 13, and the air enters the inner cavity of the water tank 2 along the dehumidification pipe 11, the spray pipe, the connecting pipe 7 and the return pipe 6. During the movement of the air, the curing liquid remaining in the dehumidification pipe 11 and the spray pipe can be squeezed into the water tank 2 to realize the recovery of the curing agent, and the air can dry the dehumidification pipe 11, the spray pipe, the connecting pipe 7 and the return pipe 6, which is convenient for the storage of the dehumidification pipe 11, the spray pipe, the connecting pipe 7 and the return pipe 6.

[0034] The vehicle body 1 is movably connected to a handle at one end away from the spraying structure, and the handle is fixedly connected to the vehicle body 1 by bolts. A universal wheel is provided at the bottom of the vehicle body 1. When the device is in use, the user can push the device by hand to move it, or fix the device on a vehicle and use the vehicle to drive the device to move.

[0035] The electrical components involved in this application are all prior art, and technicians in this field are familiar with their connection methods. Through these technicians, all the electrical components in this application are connected to their compatible power supplies through wires, and according to the actual situation, a suitable controller is selected to meet the control requirements. The specific connection and control sequence are described below. The electrical connection is completed in a sequential working order, and the detailed connection means are well known in the art. The following mainly introduces the working principle and process, and no further explanation of the electrical control is given.

[0036] To sum up: when the concrete pavement expansion joint construction device is in use, the curing agent for maintaining the concrete pavement expansion joint is stored in the water tank 2. The user can change the height and position of the spraying structure through the lifting and translation structure, so that the spraying structure can be moved above the expansion joint to be sprayed. The user can control the number of working nozzles 17 through the first ball valve 16. When the water pump 3 is working, the curing agent in the water tank 2 can be pumped into the spray pipe through the water inlet pipe 13. The curing agent in the spray pipe is sprayed onto the expansion joint through the nozzle 17, and during the spraying process, the wind shield 9 can shield the curing agent to prevent the wind from blowing the curing agent away. After the device is used, when it is necessary to recover the curing agent remaining in the water inlet pipe 13 and the spray pipe, the inner pipe 18 is rotated so that the water leakage hole on the inner pipe 18 is staggered with the water leakage hole on the outer pipe 8, and the blower 4 starts to work. The blower 4 blows the air filtered by the dust filter cover 12 into the inner cavity of the dehumidification pipe 11, and the air enters the water inlet pipe 13 along the dehumidification pipe 11. The air enters the inner cavity of the water tank 2 along the water inlet pipe 13, the spray pipe, the connecting pipe 7 and the return pipe 6. During the movement of the air, the curing agent remaining in the water inlet pipe 13 and the spray pipe can be blown into the water tank 2, and the water inlet pipe 13, the spray pipe, the connecting pipe 7 and the return pipe 6 can be dried. The excess air in the water tank 2 is discharged through the exhaust valve 5.

[0037] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art and will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A concrete pavement expansion joint construction device, comprising a vehicle body (1), characterized in that: A water tank (2) is fixed on the top of the vehicle body (1), and a water pump (3), a blower (4), a return pipe (6) and an automatic exhaust valve (5) are arranged on the top of the water tank (2); one side of the vehicle body (1) is connected to a spraying structure via a lifting and translational structure, and the water inlet end of the water pump (3) extends to the bottom end of the inner cavity of the water tank (2) via a connecting water pipe; The spraying structure comprises a spraying pipe connected to the lifting and translation structure, wind shields (9) are fixed to both ends of the spraying pipe, one end of the spraying pipe is connected to the water outlet end of the water pump (3) through a water inlet pipe (13), the air outlet end of the blower (4) is connected to one end of the water inlet pipe (13) close to the water pump (3) through a dehumidification pipe (11), and a one-way valve is provided at the end of the dehumidification pipe (11), and the other end of the spraying pipe is connected to the return pipe (6) through a connecting pipe (7); The spray pipe comprises an outer pipe (8) connected to a water inlet pipe (13) and an inner pipe (18) movably connected to the inner cavity of the outer pipe (8); one end of the inner pipe (18) facing away from the water inlet pipe (13) is connected to a connecting pipe (7); the bottom of the outer pipe (8) and the bottom of the inner pipe (18) are both provided with water leakage holes; and a spray head (17) is provided at the bottom of the water leakage hole on the outer pipe (8).

2. A concrete pavement expansion joint construction device according to claim 1, characterized in that: The lifting and translation structure comprises an electric telescopic rod 1 (14) connected to the water tank (2) and an electric telescopic rod 2 (15) fixedly connected to the bottom of the electric telescopic rod 1 (14), and the electric telescopic rod 2 (15) is fixedly connected to the spray pipe.

3. A concrete pavement expansion joint construction device according to claim 1, characterized in that: The air inlet end of the blower (4) is fixedly connected to a dust filter screen (12).

4. A concrete pavement expansion joint construction device according to claim 1, characterized in that: The liquid inlet end of the spray head (17) is provided with a first ball valve (16), and one end of the connecting pipe (7) is provided with a second ball valve (10).

5. A concrete pavement expansion joint construction device according to claim 1, characterized in that: The wind shield (9) is inclined, and the two wind shields (9) form an outward-expanding structure.

6. A concrete pavement expansion joint construction device according to claim 1, characterized in that: A handle is movably connected to one end of the vehicle body (1) away from the spraying structure. The handle is fixedly connected to the vehicle body (1) via bolts. Universal wheels are provided at the bottom of the vehicle body (1).

7. A concrete pavement expansion joint construction device according to claim 1, characterized in that: An observation window is provided on one side of the water tank (2), and a liquid level meter is provided inside the water tank (2).

Images