CN214992898U

CN214992898U - Concrete road surface scraping ruler

Info

Publication number: CN214992898U
Application number: CN202120827068.2U
Authority: CN
Inventors: 冯传林; 崔丁心; 王辉
Original assignee: Beijing Chengyuan Municipal Engineering Co ltd
Current assignee: Beijing Chengyuan Municipal Engineering Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-03
Anticipated expiration: 2031-04-21

Abstract

The application relates to a concrete pavement scraping ruler, which belongs to the technical field of concrete construction tools and comprises an operation rod and a handle, wherein the handle is positioned in the middle of the side wall of the operation rod and is rotationally connected with the operation rod by a rotation adjusting mechanism; the operating rod is provided with a limiting structure for limiting the sliding of the sliding rod. This application has the effect of adjusting the length of operation of the scraping ruler, can satisfy the use of multiple different environment scenes, provides the reuse rate of scraping ruler.

Description

Concrete road surface scraping ruler

Technical Field

The application relates to the field of concrete construction tools, in particular to a concrete pavement scraping ruler.

Background

The hand-held type concrete scraping ruler is the instrument of the flattening operation that paves that is applied to large tracts of land terrace, road surface, compares large-scale machinery such as common roller plane machine, vibrating beam, and the scraping ruler has the energy consumption low, does not take out oil, paves characteristics such as flattening efficiency height.

The utility model discloses a current chinese utility model patent of granting bulletin No. CN206769410U discloses a scalable and inspection roughness concrete scraping ruler, including the aluminum alloy scraping ruler, aluminum alloy scraping ruler upper end is equipped with the spirit level, the spirit level includes spirit level main part and observation window, the end that stretches out through location ear fixing device swing joint electric telescopic handle on the side of aluminum alloy scraping ruler, electric telescopic handle's end is fixed to be equipped with handheld pole, location ear fixing device is including fixed ear, fixed ear fixed mounting is on the side of aluminum alloy scraping ruler, the activity runs through on the fixed ear is equipped with the pivot, fixed connection electric telescopic handle in the pivot, and be located and be equipped with the shaft cover in the pivot in the fixed ear outside, be equipped with the spring pin on the side that the shaft cover is close to fixed ear, and evenly be equipped with a plurality of pinholes on the fixed ear that corresponds the spring pin.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the length of the aluminum alloy scraper is fixed and cannot be adjusted according to the field operation condition.

SUMMERY OF THE UTILITY MODEL

In order to realize the adjustment of scraping ruler length, satisfy the use of multiple different environment scenes, provide the reuse rate of scraping ruler, this application provides a concrete road surface scraping ruler.

The application provides a concrete road surface scraping ruler adopts following technical scheme:

a concrete pavement scraping ruler comprises an operation rod and a handle which is positioned in the middle of the side wall of the operation rod and is rotationally connected with the operation rod through a rotation adjusting mechanism, wherein a sliding groove which is through long along the length direction of the operation rod is formed in the bottom surface of the operation rod, a sliding rod is connected with the sliding groove in a sliding mode, a guide groove is formed in the groove wall of the sliding groove, a guide strip matched with the guide groove is fixed at the position, opposite to the guide groove, of the sliding rod, and the bottom surface of the sliding rod is flush with the bottom surface of the operation rod; and the operating rod is provided with a limiting structure for limiting the sliding of the sliding rod.

Through adopting above-mentioned technical scheme, set slide bar and operation pole sliding connection and can utilize limit structure to restrict the slip of slide bar in the spout, when length is enough, hide the slide bar in the operation pole, when the working length of scraping chi is not enough, pull out the slide bar in the operation pole to satisfy the operation demand, the practicality is higher.

Preferably, the limiting structure comprises a limiting threaded hole which is formed in the top surface of the operating rod and is opposite to the sliding groove, a limiting nut which is in threaded connection with the operating rod and can be tightly pressed on the sliding rod is arranged in the limiting threaded hole, and the limiting threaded hole is located at a position, close to the end, of the operating rod in the length direction.

By adopting the technical scheme, when the sliding rod needs to be moved, the limiting nut is loosened, and after the sliding rod is moved in place, the limiting nut is screwed down to realize the positioning of the sliding rod.

Preferably, the slide bar sets up two relatively, spacing screw hole all has to be seted up at the both ends of operation pole length direction.

By adopting the technical scheme, the symmetry of the sliding rods on the two sides of the operating rod is ensured.

Preferably, a partition board for dividing the sliding chute into two parts is arranged between the opposite sliding rods at the middle position of the sliding chute.

Through adopting above-mentioned technical scheme, avoid influencing each other between the relative slide bar.

Preferably, the bottom end of the chute wall far away from the handle is higher than the bottom end of the chute wall close to the handle, and the bottom surface of the sliding rod is flush with the bottom end of the chute wall close to the handle.

Through adopting above-mentioned technical scheme, when partly roll-off spout with the slide bar, guarantee that only the cell wall and the concrete face contact of spout one side, it is better to strike off the effect.

Preferably, the rotation adjusting mechanism comprises opposite clamping plates fixed on the side wall of the operating rod, and a gap is reserved between the opposite clamping plates; the handle is close to the one end of operation pole and is fixed with the fly leaf that inserts between the relative splint, fly leaf and splint utilize the axis of rotation to be connected, fly leaf and splint department are provided with the locking structure of restriction fly leaf and splint relative rotation.

Through adopting above-mentioned technical scheme, according to the difference of operation personnel height or position, the optional operation angle of adjusting comparatively comfortable.

Preferably, the stopping structure comprises a rotating strip hole which is formed in the clamping plate and takes the rotating shaft as a circle center, a limiting bolt which penetrates through the movable plate is arranged in the rotating strip hole, and the limiting bolt is in threaded connection with a limiting nut.

By adopting the technical scheme, the limiting nut is unscrewed, the handle is rotated, and the limiting nut is screwed after the angle is adjusted in place.

Preferably, the handle is close to the fixed cover of position of operation pole, fixed cover is along the fixed oblique pull rod in operation pole length direction's both sides, the one end rotation connection of keeping away from fixed cover to one side is on the operation pole.

Through adopting above-mentioned technical scheme, improve the stability of being connected between handle and the operation pole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the operation rod is provided with the sliding chute, and the sliding rod is arranged in the sliding chute, so that the operation length of the scraping ruler can be adjusted, and the use of various scraping scenes can be met;

2. the operating rod and the handle are rotatably adjustable, so that the operating personnel with different heights can adjust according to requirements when in use;

3. through setting up the diagonal draw bar, stability when having improved the scraper bar operation.

Drawings

Fig. 1 is a schematic view of the overall structure of a concrete pavement scraper according to an embodiment of the present application.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the working rod and handle connection of the concrete pavement scraper of the embodiment of the application.

Fig. 4 is a partially enlarged view of a portion B in fig. 3.

Fig. 5 is a partially enlarged view of a portion C in fig. 3.

Description of reference numerals: 1. a working rod; 11. a chute; 111. a guide groove; 112. a partition plate; 12. a slide bar; 121. a guide strip; 13. a limiting threaded hole; 14. a limit nut; 15. connecting blocks; 2. a handle; 3. a diagonal member; 31. a hinge ear; 4. fixing a sleeve; 41. a connecting plate; 42. fixing the threaded hole; 43. a compression nut; 5. a rotation adjustment mechanism; 51. a splint; 52. a movable plate; 53. rotating the strip holes; 54. a rotating shaft; 55. defining an assembly; 551. a restraining bolt; 552. a nut is defined.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses concrete road surface scraping ruler. Referring to fig. 1 and 2, the concrete pavement scraper comprises a horizontal working rod 1 and a handle 2 which is rotatably connected to the middle position of the side wall of the horizontal working rod 1 by a rotary adjusting mechanism 5.

Referring to fig. 3 and 4, a sliding groove 11 is formed on the bottom surface of the operation rod 1 along the length of the operation rod 1, and a partition 112 integrally connected with the operation rod 1 is fixed in the middle of the sliding groove 11. The partition 112 divides the chute 11 into two parts.

A sliding rod 12 matched with the sliding chute 11 is connected in the sliding chute 11 in a sliding way. The sliding grooves 11 are provided with guide grooves 111 along the opposite side walls of the width direction of the operation rod 1. The guide groove 111 in this embodiment is T-shaped. A guide bar 121 which is matched with the guide groove 111 and is connected with the guide groove 111 in a sliding way is fixed on the side wall of the slide rod 12 opposite to the guide groove 111. The slide bar 12 slides in the slide groove 11 in the longitudinal direction of the working rod 1, thereby adjusting the working length of the blade.

The bottom end of the groove wall of the chute 11 on the side far away from the handle 2 is higher than the bottom end of the groove wall on the side close to the handle 2. The bottom surface of the sliding rod 12 is flush with the bottom end of the groove wall of the sliding groove 11 on the side close to the handle 2.

Referring to fig. 2 and 4, the length of the slide bar 12 matches the length of the slide slot 11. The top surfaces of the two ends of the operating rod 1 in the length direction are provided with limiting threaded holes 13 at positions opposite to the sliding grooves 11, and limiting nuts 14 in threaded connection with the operating rod 1 are arranged in the limiting threaded holes 13. The bottom end of the limit nut 14 is tightly abutted against the sliding rod 12 by screwing the limit nut 14, so that the operation rod 1 and the sliding rod 12 are relatively fixed. The rotation adjusting mechanism 5 includes a clamp plate 51 fixed at an intermediate position of the side wall of the work lever 1 facing the handle 2. The clamping plates 51 are L-shaped and are oppositely arranged at intervals. A movable plate 52 is fixed to one end of the handle 2 near the working lever 1 to be inserted between the opposite clamp plates 51. The movable plate 52 is connected to the clamp plate 51 by a rotating shaft 54.

The rotating shaft 54 is located above the chucking plate 51. The clamp plate 51 is provided with a rotating bar hole 53 centered on a rotating shaft 54. A limiting member 55 is disposed within the turnpiece aperture 53. The restricting assembly 55 includes a restricting bolt 551 that passes through the movable plate 52. The captive bolt 551 threadably engages a mating captive nut 552. When it is desired to adjust the angle between the slide bar 12 and the work bar 1, the retainer nut 552 is loosened, the handle 2 is then turned to the appropriate position, and the retainer nut 552 is tightened.

Referring to fig. 3 and 5, a fixing sleeve 4 is slidably connected to the handle 2. The connecting plates 41 are fixed on two sides of the fixing sleeve 4 along the length direction of the operating rod 1. The connecting plate 41 is provided with a fixing threaded hole 42 opposite to the fixing sleeve 4, and the fixing sleeve 4 is provided with a through hole at a position opposite to the fixing threaded hole 42. A compression nut 43 fixedly connected with the connecting plate 41 is arranged in the fixing threaded hole 42 of the connecting plate 41. The fixing sleeve 4 is fixedly connected with the handle 2 by screwing the compression nut 43.

The side wall of the fixing clamp plate 51 of the working rod 1 is fixed with the connecting blocks 15 at the positions close to the two ends of the working rod 1 in the length direction. And a diagonal draw bar 3 is arranged between the connecting block 15 and the connecting plate 41 on the fixed sleeve 4. The diagonal draw bar 3 is fixedly connected with the connecting plate 41. One end of the diagonal draw bar 3 close to the connecting block 15 is fixed with a U-shaped hinge lug 31. The connecting block 15 is inserted between the hinge lugs 31 and is hinged to the hinge lugs 31. The diagonal draw bar 3 is mainly used for improving the connection stability between the handle 2 and the operation rod 1.

The implementation principle of the concrete pavement scraping ruler in the embodiment of the application is as follows: when the working length of the scraper needs to be adjusted, the limiting nut 552 is loosened, the sliding rod 12 is slid outwards, and when the required position is reached, the limiting nut 552 is screwed down.

In order to ensure that the moving distances of the sliding rods 12 on the two sides are equal, a graduated scale can be arranged at the top of the sliding rod 12, and the sliding-out distance of the sliding rod 12 can be judged according to the graduated scale.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete road surface scraping ruler, includes operation pole (1) and is located operation pole (1) lateral wall intermediate position and utilizes to rotate adjustment mechanism (5) and handle (2) of being connected, its characterized in that with operation pole (1) rotation: a sliding groove (11) which is through long along the length direction of the operating rod (1) is formed in the bottom surface of the operating rod (1), a sliding rod (12) is connected to the sliding groove (11) in a sliding mode, a guide groove (111) is formed in the groove wall of the sliding groove (11), a guide strip (121) matched with the guide groove (111) is fixed at the position, opposite to the guide groove (111), of the sliding rod (12), and the bottom surface of the sliding rod (12) is flush with the bottom surface of the operating rod (1); the operating rod (1) is provided with a limiting structure for limiting the sliding of the sliding rod (12).

2. A concrete pavement scraper according to claim 1, wherein: the limiting structure comprises a limiting threaded hole (13) which is formed in the top surface of the operation rod (1) and is opposite to the sliding groove (11), a limiting nut (14) which is in threaded connection with the operation rod (1) and can be tightly pushed on the sliding rod (12) is arranged in the limiting threaded hole (13), and the limiting threaded hole (13) is located at a position, close to the end, of the operation rod (1) in the length direction.

3. A concrete pavement scraper according to claim 2, wherein: the two opposite sliding rods (12) are arranged, and the two ends of the limiting threaded holes (13) in the length direction of the operating rod (1) are provided with the limiting threaded holes.

4. A concrete pavement scraper according to claim 3, wherein: a partition plate (112) which divides the sliding chute (11) into two parts is arranged between the opposite sliding rods (12) at the middle position of the sliding chute (11).

5. A concrete pavement scraper according to claim 1, wherein: the bottom end of the chute wall of the chute (11) far away from the handle (2) is higher than the bottom end of the chute wall close to the handle (2), and the bottom surface of the sliding rod (12) is flush with the bottom end of the chute wall of the chute (11) close to the handle (2).

6. A concrete pavement scraper according to claim 1, wherein: the rotation adjusting mechanism (5) comprises opposite clamping plates (51) fixed on the side walls of the operating rod (1), and a gap is reserved between the opposite clamping plates (51); one end of the handle (2) close to the operating rod (1) is fixedly provided with a movable plate (52) inserted between the opposite clamping plates (51), the movable plate (52) is rotatably connected with the clamping plates (51) through a rotating shaft (54), and a stop structure for limiting the relative rotation of the movable plate (52) and the clamping plates (51) is arranged at the positions of the movable plate (52) and the clamping plates (51).

7. A concrete pavement scraper according to claim 6, characterized in that: the stopping structure comprises a rotating bar hole (53) which is formed in the clamping plate (51) and takes the rotating shaft (54) as a center, a limiting bolt (551) which penetrates through the movable plate (52) is arranged in the rotating bar hole (53), and the limiting bolt (551) is in threaded connection with a limiting nut (552).

8. A concrete pavement scraper according to claim 1, wherein: the handle (2) is close to the position of operation pole (1) and is fixed with fixed cover (4), fixed cover (4) are along fixed oblique pull rod (3) of operation pole (1) length direction's both sides, the one end rotation connection of keeping away from fixed cover (4) to one side pull rod (3) is on operation pole (1).