CN202595611U - Cement concrete pavement cutting mechanism - Google Patents
Cement concrete pavement cutting mechanism Download PDFInfo
- Publication number
- CN202595611U CN202595611U CN 201220237017 CN201220237017U CN202595611U CN 202595611 U CN202595611 U CN 202595611U CN 201220237017 CN201220237017 CN 201220237017 CN 201220237017 U CN201220237017 U CN 201220237017U CN 202595611 U CN202595611 U CN 202595611U
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- China
- Prior art keywords
- descending
- pressure head
- saw blade
- cutting mechanism
- guide peg
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- Expired - Fee Related
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Abstract
The utility model discloses a cement concrete pavement cutting mechanism, which solves the problem of easy sawtooth damage caused by stronger impact force generated between a saw blade and a pavement during the pavement cutting by the existing cement concrete pavement cutting machine. The cement concrete pavement cutting mechanism adopts the technical scheme that the cement concrete pavement cutting mechanism comprises a saw blade and a blade holder, and is characterized in that a guide tube is arranged in the blade holder, a guide rod is inserted in the guide tube in a way that gaps are left in the guide tube, the saw blade is rotatablely connected with the outer end side of the guide rod, a descending mechanism is arranged in the blade holder, and the descending mechanism and the guide rod adopt the elastic transmission.
Description
Technical field
The utility model relates to the cutter sweep that is applied in a kind of concrete pavement construction process.Particularly relate to the cutting mechanism in this cutter sweep.
Background technology
Because it is increasingly high to build the grade and the standard of highway now, make increasing highway need transform and newly-built.And firm shop, concrete road surface is an one when building, and is every at a distance from a segment distance for the road pavement of expanding with heat and contract with cold that prevents material is brought influence, just need on the road surface, carry out joint-cutting and handle, so that the road surface can adapt to the phenomenon that this material expands with heat and contract with cold.Conventional cutter needs manual work manually to help and control, and at the beginning of cutting, the saw blade in the cutting machine needs the descending certain depth toward ground, so that on the road surface, form the slit with certain depth.When carrying out the operation of traditional cutting machine, the descending handle that buttresses cutting machine by the operative employee of saw blade determines that the descending drive saw blade of handle is descending.This artificial definite descending speed of saw blade is difficult for accurately controlling, and the saw blade of rotation very likely road pavement applies bigger impact force, and this can cause sawtooth to damage, and operation intensity is also higher relatively.And saw blade is hard fixing, and this equally also is prone to cause the damage of sawtooth.
The utility model content
The utility model technical issues that need to address are: a kind of concrete pavement cutting machine structure is provided, when this cutting mechanism road pavement is cut, can effectively protects sawtooth.
The utility model solve the technical problem the technical measures of being taked: a kind of concrete pavement cutting machine structure; Comprise saw blade and tool rest, it is characterized in that, be provided with guide cylinder in the tool rest; Be plugged with guide peg, saw blade is connected in the outer distolateral of guide peg rotationally the guide cylinder internal clearance; Be provided with descending mechanism in the tool rest, elastic transmission between descending mechanism and the guide peg.During the work of this cutting mechanism, except saw blade rotates under the drive of engine, it is descending that descending mechanism can impel guide peg to drive the saw blade that rotates.
Said descending mechanism comprises pressure head, pressure head and the coaxial setting of described guide peg, guide peg and pressure head near the end between be provided with spring.The two ends of this spring can be to fix with pressure head and guide peg, the two ends of this spring also can be with pressure head and guide peg near both ends nature socket.But when pressure head was pressed to guide peg, the downforce of pressure head passed to guide peg through spring.Through spring is set, be deep in the process on road surface at saw blade, can protection be provided for saw blade, effectively reduced the impaired of sawtooth.
In tool rest, vertically be provided with tooth bar, with the joining descending wheel and rack engagement of pressure head.Through pitch wheel and tooth bar are set, guaranteed the requirement of downforce in the saw blade cutting process.
Said tooth bar is two, and these two tooth bar branches are listed in the relative both sides of pressure head, and every tooth bar all is meshed with a described descending gear.Gear and tooth bar are two covers, have improved the stability in the descending process of saw blade.
Link through gusset piece between two descending gears, said pressure head and gusset piece are fixed.This is convenient to realize being fixedly connected of pressure head and gear, and makes two descending gears have good stable property.
The beneficial effect of the utility model is: when the concrete road surface was cut, the descending of saw blade was to realize automatically, can effectively reduce operative employee's labour intensity.Be elastic transmission between descending mechanism and the guide peg, thereby can effectively reduce the impact force of the saw blade road pavement in the rotation, this can provide protection for sawtooth, and sawtooth is difficult for so is and impaired.
Description of drawings
Fig. 1 is the longitudinal sectional view of this concrete pavement cutting machine structure.
The specific embodiment
Pass through specific embodiment below, and combine Figure of description that the technical scheme of the utility model is further specified:
Embodiment: this concrete pavement cutting machine structure can be arranged on the cutting machine of automatic syndrome as the major function unit of pavement cutting machine, also can be to be provided with on the cutting machine of hand.
As shown in Figure 1, this cutting mechanism comprises box tool rest 8, on the diapire of tool rest 8, is fixed with guide cylinder 3, guide cylinder 3 internal clearances be provided with guide peg 2, guide peg 2 all vertically is provided with guide cylinder 3.Saw blade 1 is arranged on the outer distolateral of guide peg 2 rotationally, the outer distolateral and saw blade 1 of guide peg 2 relative to a side be provided with and be used to drive the drive motors that saw blade 1 rotates.
In tool rest 8, be provided with descending mechanism, can impel saw blade 1 to move downward when descending mechanism is descending.Descending mechanism comprises pressure head 5, pressure head 5 and described guide peg 2 coaxial arrangement.Pressure head 5 and guide peg 2 near two ends between be provided with spring 4, the both ends of spring 4 can be the both ends that are socketed in guide peg 2 and pressure head 5 respectively naturally, also can fix with the two ends of guide peg 2 and pressure head 5 simultaneously.Fixedly the time, when descending mechanism was up, it was up together to impel saw blade 1 to follow at the both ends of spring 4 and guide peg 2 and pressure head 5.With guide peg 2 during with pressure head 5 natural sockets, bottom surface that generally need tool rest 8 is provided with and pushes away spring at spring 4, and the upper end that pushes away spring acts on guide peg 2; In descending mechanism when up; Under the effect that pushes away spring, saw blade 1 is up naturally, so that saw blade 1 can be separated with the slit after the cutting; And in descending mechanism when descending, pressure head 5 need overcome the elastic force that pushes away spring and just can impel saw blade 1 further descending.
Described descending mechanism also comprises intermeshing descending gear 7 and tooth bar 9, and described tooth bar 9 is two, and they vertically are arranged on the sidewall of tool rest 8, and divides the relative both sides that are listed in pressure head 5.Every tooth bar 9 is realized connecting through gusset piece 6 between these two the descending gears 7 corresponding to a descending gear 7, and described pressure head 5 is fixing with gusset piece 6.Descending gear 7 links with motor, and under the drive of motor, descending gear 7 rolls on tooth bar 9, thereby realizes the action that pressure head 5 is vertically gone up.
Both end sides place in tooth bar 9 on the sidewall of tool rest 8 can be respectively arranged with controllers such as travel switch or sensor, and after saw blade 1 descending the putting in place, corresponding controller can impel motor to stop action, and saw blade 1 remains on the suitable height and position.And when needing saw blade 1 up, can realize the backward rotation of motor through pulling switch set on the cutting machine, descending mechanism is up.Descending mechanism is up put in place after, corresponding controller can impel motor to stop action, saw blade 1 remains on suitable height, so that move the cutting that cutting machine descends one slit.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Make the content of detailed description in this manual, belong to the those skilled in the art known prior art.
Claims (5)
1. a concrete pavement cutting machine structure comprises saw blade and tool rest, it is characterized in that, is provided with guide cylinder in the tool rest, is plugged with guide peg the guide cylinder internal clearance, and saw blade is connected in the outer distolateral of guide peg rotationally; Be provided with descending mechanism in the tool rest, elastic transmission between descending mechanism and the guide peg.
2. cutting mechanism according to claim 1 is characterized in that, said descending mechanism comprises pressure head, pressure head and the coaxial setting of described guide peg, guide peg and pressure head near the end between be provided with spring.
3. cutting mechanism according to claim 2 is characterized in that, in tool rest, vertically is provided with tooth bar, with the joining descending wheel and rack engagement of pressure head.
4. cutting mechanism according to claim 3 is characterized in that, said tooth bar is two, and these two tooth bar branches are listed in the relative both sides of pressure head, and every tooth bar all is meshed with a described descending gear.
5. cutting mechanism according to claim 4 is characterized in that, links through gusset piece between two descending gears, and said pressure head and gusset piece are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237017 CN202595611U (en) | 2012-05-24 | 2012-05-24 | Cement concrete pavement cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220237017 CN202595611U (en) | 2012-05-24 | 2012-05-24 | Cement concrete pavement cutting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202595611U true CN202595611U (en) | 2012-12-12 |
Family
ID=47313162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220237017 Expired - Fee Related CN202595611U (en) | 2012-05-24 | 2012-05-24 | Cement concrete pavement cutting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202595611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975557A (en) * | 2014-10-23 | 2015-10-14 | 铜陵梧桐树农业发展有限公司 | Pavement cutting device |
| CN106393408A (en) * | 2015-07-31 | 2017-02-15 | 刘运武 | Retractable adobe cutter |
| CN107034775A (en) * | 2017-06-13 | 2017-08-11 | 李群 | A kind of road and bridge construction joint-cutting device |
-
2012
- 2012-05-24 CN CN 201220237017 patent/CN202595611U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975557A (en) * | 2014-10-23 | 2015-10-14 | 铜陵梧桐树农业发展有限公司 | Pavement cutting device |
| CN106393408A (en) * | 2015-07-31 | 2017-02-15 | 刘运武 | Retractable adobe cutter |
| CN107034775A (en) * | 2017-06-13 | 2017-08-11 | 李群 | A kind of road and bridge construction joint-cutting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20170524 |