CN215518293U

CN215518293U - Road pavement joint cutter

Info

Publication number: CN215518293U
Application number: CN202121965232.2U
Authority: CN
Inventors: 孙达海; 潘立军; 沈启军
Original assignee: Jinhu Zhenda Traffic Engineering Co ltd
Current assignee: Jinhu Zhenda Traffic Engineering Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-14
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of pavement joint cutting, and discloses a pavement joint cutting machine which comprises a shell, wherein a push rod is fixed on the outer wall of the shell, a hydraulic machine is installed on the top of the inner wall of the shell, the bottom of the hydraulic machine is connected with a first motor, an output shaft of the first motor is connected with a cutting blade through a coupler, and a water tank is installed on the bottom of the inner wall of the shell. This road pavement joint cutter, it has good water storage hydroscopicity to have through sponge cooling block, at the joint cutting in-process, the cooling is cleaned to the cutting blade to the inside moisture that contains of accessible cooling block, it is long when the single use of cutting blade has been prolonged, the life of cutting blade has been improved simultaneously, and it is rotatory to drive the cam through the motor, under the cooperation of cam eccentric characteristic and second spring flexible characteristic, make the ejector pin stretch out and draw back reciprocally, with the purpose that the ball jack-up carries out intermittent type nature replenishment to the inside moisture of cooling block in order to reach down liquid pipe intermittent type nature liquid, avoid the waste of water resource.

Description

Road pavement joint cutter

Technical Field

The utility model relates to the technical field of road surface joint cutting, in particular to a road surface joint cutting machine.

Background

The pavement joint cutting machine is commonly used in road and bridge construction operation to perform joint cutting treatment on cement or asphalt pavements.

Common road pavement joint cutter is generally not convenient for cool off the cutting blade for the cutting blade is difficult to long-time operation cutting, influences going on smoothly of road surface joint-cutting effect, makes joint-cutting efficiency lower, provides a road pavement joint cutter for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a road pavement joint cutter which has the advantages of cutting piece cooling function, high environmental protection and the like, and solves the problems that the existing road pavement joint cutter is not convenient to cool and cool the cutting piece generally, the cutting piece is difficult to operate and cut for a long time, the road pavement joint cutting effect is influenced to be smoothly carried out, and the joint cutting efficiency is low.

(II) technical scheme

In order to realize the purposes of cooling function and high environmental protection of the cutting piece, the utility model provides the following technical scheme: a road pavement joint cutter comprises a shell, wherein a push hand lever is fixed on the outer wall of the shell, a hydraulic machine is installed at the top of the inner wall of the shell, a first motor is connected to the bottom of the hydraulic machine, an output shaft of the first motor is connected with a cutting blade through a coupler, a water tank is installed at the bottom of the inner wall of the shell, a water filling port penetrating to the outside of the shell is formed in the outer side of the water tank, a water outlet pipe is arranged on the outer wall of the water tank, a water pump is installed in the middle section of the water outlet pipe, a spray nozzle is installed at the end of the water outlet pipe, a liquid discharging pipe is arranged on the outer wall of the water tank, which is far away from the water outlet pipe, a first spring is installed inside the liquid discharging pipe, a ball contacting with the pipe orifice of the liquid discharging pipe is connected to the bottom of the first spring, a fixed frame is arranged at the bottom of the outer wall of the water tank, a second motor is installed on the inner wall of the fixed frame, and an output shaft of the second motor is connected with a cam through a coupler, the avris of cam is connected with and runs through the ejector pin to fixed frame outside, the outside cover of ejector pin is equipped with the second spring that is located fixed frame, the bottom opening part of shell is provided with the cooling block, the top slope of cooling block is provided with the guide plate, the removal wheel is installed to the bottom of shell.

Preferably, the number of the spray heads is 2, and the spray heads are arranged in an inclined mode.

Preferably, the ball and the lower liquid pipe form an elastic lifting structure through a first spring, and the diameter of the ball is larger than that of the pipe orifice of the lower liquid pipe.

Preferably, the ejector rod and the fixed frame are in elastic telescopic structure through a second spring, and the ejector rod is tightly attached to the cam.

Preferably, glue is used for bonding between the cooling block and the shell, and the cooling block is made of sponge materials.

(III) advantageous effects

Compared with the prior art, the utility model provides a road pavement joint cutter, which has the following beneficial effects:

1. the road pavement joint cutter has good water storage and water absorption properties through the sponge cooling block, in the joint cutting process, the cutting blade can be cleaned and cooled through water contained in the cooling block, the single-use time of the cutting blade is prolonged, meanwhile, the service life of the cutting blade is prolonged, the cam is driven to rotate through the motor, the ejector rod is made to stretch and retract in a reciprocating mode under the matching of the eccentric characteristic of the cam and the telescopic characteristic of the second spring, the ball is jacked up to achieve the purpose of intermittently replenishing the water in the cooling block through intermittent liquid discharging of the liquid discharging pipe, and waste of water resources is avoided;

2. this road surface joint cutter cooperatees through the shower nozzle that the slope set up and outlet pipe and water pump, takes water out by the water pump in by the water tank, and through the outlet pipe by the shower nozzle blowout, when the joint cutter operation, can spray the dust fall to the dust that raises, when having improved joint cutter and having used the feature of environmental protection, the dust that can avoid raising causes the injury to operating personnel's respiratory.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the connection structure of the water outlet pipe and the water tank of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a handle bar; 3. a hydraulic press; 4. a first motor; 5. cutting the slices; 6. a water tank; 7. a water filling port; 8. a water outlet pipe; 9. a water pump; 10. a spray head; 11. a liquid discharging pipe; 12. a first spring; 13. a ball bearing; 14. a fixing frame; 15. a second motor; 16. a cam; 17. a top rod; 18. a second spring; 19. cooling the block; 20. a baffle; 21. the wheel is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme, a road pavement joint cutter, comprising a housing 1, a pushing handle bar 2, a hydraulic machine 3, a first motor 4, a cutting blade 5, a water tank 6, a water filling opening 7, a water outlet pipe 8, a water pump 9, a spray nozzle 10, a liquid discharging pipe 11, a first spring 12, a ball 13, a fixing frame 14, a second motor 15, a cam 16, a push rod 17, a second spring 18, a cooling block 19, a guide plate 20 and a moving wheel 21, wherein the pushing handle bar 2 is fixed on the outer wall of the housing 1, the hydraulic machine 3 is installed on the top of the inner wall of the housing 1, the first motor 4 is connected to the bottom of the hydraulic machine 3, an output shaft of the first motor 4 is connected to the cutting blade 5 through a coupler, the water tank 6 is installed on the bottom of the inner wall of the housing 1, the water filling opening 7 penetrating to the outside of the housing 1 is arranged on the outer wall of the water tank 6, the water outlet pipe 8 is arranged on the outer wall of the water tank 6, the water pump 9 is installed on the middle section of the water outlet pipe 8, the end of the water outlet pipe 8 is provided with a spray head 10, the spray heads 10 are symmetrically provided with 2 relative to the axis of the shell 1, the spray heads 10 are obliquely arranged, the obliquely arranged spray heads 10 are matched with the water outlet pipe 8 and a water pump 9, water is pumped out of the water tank 6 by the water pump 9 and is sprayed out by the spray heads 10 through the water outlet pipe 8, when the joint cutting operation is carried out, the raised dust can be sprayed and reduced, the environment-friendly property of the joint cutting machine is improved, the damage of the raised dust to the respiratory system of an operator can be avoided, the outer wall of the water tank 6 far away from the water outlet pipe 8 is provided with a liquid discharge pipe 11, a first spring 12 is arranged inside the liquid discharge pipe 11, the bottom of the first spring 12 is connected with a ball 13 which is in contact with the pipe orifice of the liquid discharge pipe 11, the ball 13 and the liquid discharge pipe 11 form an elastic lifting structure through the first spring 12, and the diameter of the ball 13 is larger than that of the liquid discharge pipe orifice 11, through the cooperation of the ball 13 and the first spring 12, when water flows out from the lower liquid pipe 11, the ball 13 can be prevented from shifting due to vibration generated by cutting operation, the normal sealing control of the ball 13 on the pipe orifice of the lower liquid pipe 11 is ensured, the bottom of the outer wall of the water tank 6 is provided with the fixed frame 14, the inner wall of the fixed frame 14 is provided with the second motor 15, the output shaft of the second motor 15 is connected with the cam 16 through the coupler, the side of the cam 16 is connected with the ejector rod 17 penetrating to the outside of the fixed frame 14, the outside of the ejector rod 17 is sleeved with the second spring 18 positioned in the fixed frame 14, the ejector rod 17 and the fixed frame 14 are in an elastic telescopic structure through the second spring 18, the ejector rod 17 is tightly attached to the cam 16, the cam 16 is driven to rotate through the second motor 15, under the cooperation of the eccentric characteristic of the cam 16 and the telescopic characteristic of the second spring 18, the ejector rod 17 is made to extend and retract back and forth, the ball 13 is jacked to achieve the purpose of intermittent liquid discharging of the lower liquid pipe 11, when having guaranteed the normal replenishment of the inside moisture of cooling block 19, can avoid the waste of water resource, the bottom opening part of shell 1 is provided with cooling block 19, bond for glue between cooling block 19 and the shell 1, and cooling block 19 makes for the sponge material, sponge cooling block 19 has good water storage hydroscopicity, at the joint cutting in-process, the cooling is cleaned to cutting piece 5 to the inside moisture that contains of accessible cooling block 19, it is long when having prolonged cutting piece 5's single use, the life of cutting piece 5 has been improved simultaneously, cooling block 19's top slope is provided with guide plate 20, removal wheel 21 is installed to the bottom of shell 1.

The use method of the machine comprises the following steps: when cutting, after the machine is moved to a designated position under the cooperation of the moving wheel 21 and the pushing handle rod 2, the hydraulic machine 3 is started, the hydraulic machine 3 drives the first motor 4 and the cutting blade 5 to move downwards to a proper position, at the moment, the cutting blade 5 is attached to the cooling block 19, the first motor 4, the second motor 15 and the water pump 9 are started, the first motor 4 drives the cutting blade 5 to rotate at a high speed, the machine is pushed to move, cutting operation is carried out by the cutting blade 5, simultaneously, the water is pumped out from the water tank 6 by the water pump 9 and is sprayed out from the spray head 10 through the water outlet pipe 8 to spray and reduce dust of raised dust, the second motor 15 drives the cam 16 to rotate, under the coordination of the eccentric characteristic of the cam 16 and the telescopic characteristic of the second spring 18, the ejector rod 17 is made to reciprocate and stretch, the ball 13 is jacked up to make the liquid discharge pipe 11 intermittently discharged, the falling water is guided to the inside of the cooling block 19 to be stored, and the cutting blade 5 is wiped and cooled by the water contained inside the cooling block 19, the time of a single use of the cutting blade 5 is prolonged, and the service life of the cutting blade 5 is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a road pavement joint cutter, includes shell (1), its characterized in that: the outer wall of the shell (1) is fixed with a push handle rod (2), the top of the inner wall of the shell (1) is provided with a hydraulic machine (3), the bottom of the hydraulic machine (3) is connected with a first motor (4), an output shaft of the first motor (4) is connected with a cutting blade (5) through a coupler, the bottom of the inner wall of the shell (1) is provided with a water tank (6), the outer side of the water tank (6) is provided with a water filling port (7) penetrating to the outside of the shell (1), the outer wall of the water tank (6) is provided with a water outlet pipe (8), the middle section of the water outlet pipe (8) is provided with a water pump (9), the end of the water outlet pipe (8) is provided with a spray head (10), the outer wall of the water tank (6) far away from the water outlet pipe (8) is provided with a liquid outlet pipe (11), the inside of the liquid outlet pipe (11) is provided with a first spring (12), the bottom of the first spring (12) is connected with a ball (13) contacted with the pipe orifice of the liquid outlet pipe (11), the outer wall bottom of water tank (6) is provided with fixed frame (14), second motor (15) are installed to the inner wall of fixed frame (14), the output shaft of second motor (15) has cam (16) through the coupling joint, the avris of cam (16) is connected with and runs through ejector pin (17) to fixed frame (14) outside, the outside cover of ejector pin (17) is equipped with second spring (18) that are located fixed frame (14), the bottom opening part of shell (1) is provided with cooling block (19), the top slope of cooling block (19) is provided with guide plate (20), removal wheel (21) is installed to the bottom of shell (1).

2. The road surface slitting machine according to claim 1, wherein: the number of the spray heads (10) is 2 about the axis of the shell (1), and the spray heads (10) are arranged in an inclined mode.

3. The road surface slitting machine according to claim 1, wherein: the ball (13) and the lower liquid pipe (11) form an elastic lifting structure through the first spring (12), and the diameter of the ball (13) is larger than that of the pipe opening of the lower liquid pipe (11).

4. The road surface slitting machine according to claim 1, wherein: the ejector rod (17) and the fixed frame (14) are in an elastic telescopic structure through a second spring (18), and the ejector rod (17) is tightly attached to the cam (16).

5. The road surface slitting machine according to claim 1, wherein: the cooling block (19) is bonded with the shell (1) through glue, and the cooling block (19) is made of sponge materials.