CN216809496U

CN216809496U - Special quartering hammer of construction

Info

Publication number: CN216809496U
Application number: CN202123128827.5U
Authority: CN
Inventors: 郭浩然; 牟阳; 刘俊驰; 孙斌
Original assignee: CCCC Investment Nanjing Co Ltd
Current assignee: CCCC Investment Nanjing Co Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-24
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of engineering machinery application, and particularly discloses a special breaking hammer for construction, wherein a ratchet plate mechanism is fixedly connected in a first drill rod groove through a ratchet plate bolt, and the ratchet plate mechanism comprises a ratchet plate, a ratchet plate bolt, a ratchet plate seat, a ratchet plate bottom pin hole, a ratchet plate seat pin hole and a connecting rotating shaft; the ratchet plate seat is fixedly connected with the drill rod through a ratchet plate bolt, and a ratchet plate seat pin hole is formed in the bottom of the ratchet plate seat; the connecting rotating shaft is arranged in the pin hole of the pallet seat and can rotate freely; the bottom of the ratchet plate is provided with a ratchet plate bottom pin hole, and the ratchet plate is connected with the ratchet plate seat through a connecting rotating shaft. The utility model has the beneficial effects that: its reasonable in design, the acantho plate can open gradually at the in-process of pulling out, forms "barb", and along with the drill rod up more pulls out, the field angle of acantho plate can become bigger, can take out more rubbles, becomes flexible to the stone around the drill rod, produces the crackle, forms secondary crushing process, and operating efficiency has obtained improvement by a wide margin.

Description

Special quartering hammer of construction

Technical Field

The utility model belongs to the technical field of engineering machinery application, and particularly relates to a special breaking hammer for construction.

Background

At present, the quartering hammer is as the equipment commonly used in the road work progress, because of it has safe and reliable, operation convenient to use just can provide the advantage of huge impact force and obtained extensive use. The breaking hammer applies work to generate large impact energy by utilizing the hydraulic action or the expansion of compressed gas, and can generate large impact force instantly, so that rocks or cement pavements can be easily broken. The method still has wide application prospect and non-negligible effect in future road construction.

However, the conventional breaking hammer has the following problems during construction: the present quartering hammer drill rod shape is single, generally is that whole is cylindrical, the top is the taper structure, and this structure can obtain better crushing effect in some construction occasion, if: breaking of a cement pavement with lower hardness or a brittle stone material; however, when some materials which are not easy to crack are crushed, the phenomenon that the drill rod is directly inserted into the matrix to be crushed without the matrix to be crushed being crushed often occurs. At this time, when the drill rod is pulled out again, only one hole is left on the parent body of the crushing object, and a good crushing effect cannot be achieved, which results in greatly reducing the construction efficiency of the crushing hammer.

Therefore, based on the problems, the utility model provides a special construction breaking hammer.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to provide a special breaking hammer for construction, which solves the breaking problem in the current road construction, can effectively break a non-brittle material matrix, and improves the breaking effect and the operating efficiency of the breaking hammer construction.

The technical scheme is as follows: the utility model provides a special breaking hammer for construction, which comprises a breaking hammer body, a breaking hammer shell connecting bolt, a breaking hammer side shell connecting hole, a drill rod threaded hole, a first drill rod groove, a second drill rod groove and a ratchet plate mechanism, wherein the breaking hammer body comprises a first breaking hammer body and a second breaking hammer body, the first breaking hammer body is provided with a first drill rod groove, the second breaking hammer body is provided with a second drill rod groove, and the ratchet plate mechanism comprises a ratchet plate mechanism, a ratchet plate mechanism and a ratchet plate mechanism, and the ratchet plate mechanism comprises: the ratchet plate mechanism is fixedly connected in the first drill rod groove through a ratchet plate bolt and comprises a ratchet plate, a ratchet plate bolt, a ratchet plate seat, a ratchet plate bottom pin hole, a ratchet plate seat pin hole and a connecting rotating shaft; the ratchet plate seat is fixedly connected with the drill rod through a ratchet plate bolt, and a ratchet plate seat pin hole is formed in the bottom of the ratchet plate seat; the connecting rotating shaft is arranged in the pin hole of the ratchet plate seat and can rotate freely; the bottom of the ratchet plate is provided with a ratchet plate bottom pin hole, and the ratchet plate is connected with the ratchet plate seat through a connecting rotating shaft.

As a further improvement of the special construction breaking hammer, the first drill rod groove and the second drill rod groove are distributed on the drill rod, the groove depth is 6mm, and the groove width is 42 mm; the distance between the lower end surface of the first drill rod groove and the tip of the drill rod pyramid part is 103 mm; the distance between the second drill rod groove and the first drill rod groove is 60 mm.

As a further improvement of the special construction breaking hammer, the drill rod threaded holes are uniformly distributed in the drill rod groove along the circumferential direction, 4 drill rod threaded holes are formed in each drill rod groove, and the spacing between the drill rod threaded holes is 120 degrees.

As a further improvement of the special construction breaking hammer, bolt holes are also formed in the ratchet plate seat and matched with threaded holes of the drill rod, the ratchet plate seat is uniformly arranged in the drill rod groove along the circumferential direction, 2 ratchet plate seats are arranged in each group, and the distance between the ratchet plate seats and each group is 120 degrees.

As a further improvement of the special construction breaking hammer, the ratchet plate is divided into an upper end part and a lower end part, the total length of the upper end part is 72mm, the total length of the lower end part is 28mm, and the lower end part is matched with the ratchet plate seat; the thickness of the ratchet plate is 6mm, and the top of the upper end part of the ratchet plate is in an arc slope shape.

As a further improvement of the special construction breaking hammer, the ratchet plates are uniformly arranged in the drill rod groove along the circumferential direction, 3 ratchet plates are arranged in the drill rod groove, and the distance between the ratchet plates is 120 degrees.

As a further improvement of the special construction breaking hammer, a gap is reserved between the bottom of the lower end part of the ratchet plate and the lower end surface of the first drill rod groove; the ratchet plate can be freely opened and closed, and the opening angle between the ratchet plate and the drill rod ranges from 4 degrees to 90 degrees.

A second aspect of the utility model provides a crushing plant equipped with said construction-specific breaking hammer.

Compared with the prior art, the special breaking hammer for construction has the beneficial effects that: the ratchet plate mechanism is reasonable in design, and the ratchet plate, the ratchet plate bolt, the ratchet plate seat, the ratchet plate bottom pin hole, the ratchet plate seat pin hole and the connecting rotating shaft form the ratchet plate mechanism together; the ratchet plate seat is fixedly connected with the drill rod through a ratchet plate bolt, and a ratchet plate seat pin hole is formed in the bottom of the ratchet plate seat; the connecting rotating shaft is installed in a ratchet plate seat pin hole, free rotation can be achieved, when a breaking hammer is used for constructing a road section which is not prone to brittle fracture, a drill rod can be directly inserted into a parent body to be broken, when the drill rod starts to be pulled out from the parent body to be broken, a ratchet plate mechanism starts to work, at the moment, a ratchet plate can be gradually opened in the pulling-out process to form an agnail, the more upward pulling-out of the drill rod is carried out, the larger the opening angle of the ratchet plate can be, more broken stones can be taken out, stones around the drill rod are loosened, cracks are generated, a secondary breaking process is formed, and the operating efficiency is greatly improved.

Drawings

FIG. 1 is a schematic structural diagram of a special construction breaking hammer of the present invention;

FIG. 2 is an exploded view of a ratchet plate mechanism of the demolition hammer of the present invention;

FIG. 3 is a schematic axial side structure of the special construction breaking hammer of the present invention;

the numbers in the figure are as follows: 1. a breaking hammer body; 2. a breaking hammer housing; 3. a shell of the breaking hammer is connected with a bolt; 4. A crushing hammer side shell connecting hole; 5. a drill rod; 61. a first pin groove; 62. a second pin groove; 71. a ratchet plate; 72. a ratchet plate bolt; 73. a pallet seat; 74. a drill rod threaded hole; 75. a pin hole at the bottom of the ratchet plate; 76. A pallet seat pin hole; 77. is connected with the rotating shaft.

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.

Examples

As shown in figures 1, 2 and 3, the special breaking hammer for construction comprises a breaking hammer body 1, a breaking hammer shell 2, a breaking hammer shell connecting bolt 3, a breaking hammer side shell connecting hole 4, a drill rod 5, a drill rod threaded hole 74, a first drill rod groove 61, a second drill rod groove 62 and a ratchet plate mechanism 7,

the ratchet plate mechanism 7 is fixedly connected in the first drill rod groove 61 through a ratchet plate bolt 72, and the ratchet plate mechanism 7 comprises a ratchet plate 71, a ratchet plate bolt 72, a ratchet plate seat 73, a ratchet plate bottom pin hole 75, a ratchet plate seat pin hole 76 and a connecting rotating shaft 77;

the ratchet plate seat 73 is fixedly connected with the drill rod 5 through a ratchet plate bolt 72, and a ratchet plate seat pin hole 76 is formed in the bottom of the ratchet plate seat 73; the connecting rotating shaft 77 is arranged in the pallet seat pin hole 76 and can rotate freely;

the bottom of the ratchet plate 71 is provided with a ratchet plate bottom pin hole 75, and the ratchet plate 71 is connected with the ratchet plate seat 73 through a connecting rotating shaft 77.

In the embodiment, the first drill rod groove 61 and the second drill rod groove 62 are distributed on the drill rod 5, the groove depth is 6mm, and the groove width is 42 mm; the distance from the lower end surface of the first drill rod groove 61 to the position of the conical tip of the drill rod 5 is 103 mm; the second bar groove 62 is spaced 60mm from the first bar groove 61.

In the present embodiment, the shank screw holes 74 are uniformly arranged in the shank grooves in the circumferential direction, 4 in total, at a pitch of 120 degrees.

In this embodiment, the ratchet plate seats 73 are also provided with bolt holes matching with the drill rod threaded holes 74, and the ratchet plate seats 73 are uniformly arranged in the drill rod grooves along the circumferential direction, and each group is 2 in total and has a spacing of 120 degrees.

In the embodiment, the ratchet plate 71 is divided into an upper end part and a lower end part, the total length of the upper end part is 72mm, the total length of the lower end part is 28mm, and the lower end part is matched with the ratchet plate seat 73;

the thickness of the ratchet plate 71 is 6mm, the top of the upper end of the ratchet plate is in an arc slope shape, when the drill rod 5 is pulled out of the parent body to be crushed, the top of the upper end of the ratchet plate is in the arc slope shape, crushed stones can be better taken out, and a secondary crushing effect is generated on the parent body to be crushed.

In the present embodiment, the ratchet plates 71 are uniformly arranged in the circumferential direction in the drill rod grooves, and the distance is 3 in total and 120 degrees.

In the present embodiment, a gap is left between the bottom of the lower end of the ratchet plate 71 and the lower end surface of the first drill rod groove 61, so as to prevent the ratchet plate 71 from interfering with the bottom end surface of the first drill rod groove 61 during the opening process;

the opening angle between the ratchet plate 71 and the drill rod 5 ranges from 4 degrees to 90 degrees.

The working principle or the structure principle of the special breaking hammer for construction of the structure is as follows: when the breaking hammer is in construction, the drill rod 5 is directly inserted into the matrix to be broken when meeting a road section which is not easy to generate brittle fracture, and the ratchet plate mechanism 7 starts to work when the drill rod starts to be pulled out of the matrix to be broken. At this time, in the process of pulling out the drill rod 5, the ratchet plate 71 starts to rotate around the lower end part thereof, so that the ratchet plate 71 gradually opens to form a barb, and as the drill rod 5 is pulled upwards, the opening angle of the ratchet plate 71 becomes larger, and finally the ratchet plate completely opens to be perpendicular to the axial direction of the drill rod 5.

The application of the special construction breaking hammer of the structural embodiment is breaking equipment which is provided with the special construction breaking hammer.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a special quartering hammer of construction, includes quartering hammer body (1), quartering hammer shell (2), quartering hammer shell connecting bolt (3), quartering hammer side shell connecting hole (4), drill rod (5), drill rod screw hole (74), first drill rod groove (61), second drill rod groove (62), thorn board mechanism (7), its characterized in that: the ratchet plate mechanism (7) is fixedly connected in the first drill rod groove (61) through a ratchet plate bolt (72), and the ratchet plate mechanism (7) comprises a ratchet plate (71), a ratchet plate bolt (72), a ratchet plate seat (73), a ratchet plate bottom pin hole (75), a ratchet plate seat pin hole (76) and a connecting rotating shaft (77); the ratchet plate seat (73) is fixedly connected with the drill rod (5) through a ratchet plate bolt (72), and a ratchet plate seat pin hole (76) is formed in the bottom of the ratchet plate seat (73); the connecting rotating shaft (77) is arranged in the ratchet plate seat pin hole (76) to realize free rotation; the bottom of the ratchet plate (71) is provided with a ratchet plate bottom pin hole (75), and the ratchet plate (71) is connected with the ratchet plate seat (73) through a connecting rotating shaft (77).

2. The special construction breaking hammer as claimed in claim 1, wherein: the first drill rod groove (61) and the second drill rod groove (62) are distributed on the drill rod (5), the groove depth is 6mm, and the groove width is 42 mm; the distance from the lower end surface of the first drill rod groove (61) to the apex position of the conical part of the drill rod (5) is 103 mm; the distance between the second drill rod groove (62) and the first drill rod groove (61) is 60 mm.

3. The special construction breaking hammer as claimed in claim 1, wherein: the drill rod threaded holes (74) are uniformly arranged in the drill rod groove along the circumferential direction, 4 drill rod threaded holes are formed in each drill rod groove, and the distance between every two drill rod threaded holes is 120 degrees.

4. The special construction breaking hammer as claimed in claim 1, wherein: the ratchet plate seat (73) is also provided with bolt holes which are matched with the drill rod threaded holes (74), the ratchet plate seats (73) are uniformly arranged in the drill rod groove along the circumferential direction, the number of each group is 2, and the interval is 120 degrees.

5. The special construction breaking hammer as claimed in claim 4, wherein: the ratchet plate (71) is divided into an upper end part and a lower end part, the total length of the upper end part is 72mm, the total length of the lower end part is 28mm, and the lower end part is matched with the ratchet plate seat (73); the thickness of the ratchet plate (71) is 6mm, and the top of the upper end part of the ratchet plate is in an arc slope shape.

6. The special construction breaking hammer as claimed in claim 5, wherein: the ratchet plates (71) are uniformly arranged in the drill rod groove along the circumferential direction, the number of the ratchet plates is 3, and the interval is 120 degrees.

7. The special construction breaking hammer as claimed in claim 5, wherein: a gap is reserved between the bottom of the lower end part of the ratchet plate (71) and the lower end surface of the first drill rod groove (61); the ratchet plate (71) can be freely opened and closed, and the opening angle between the ratchet plate and the drill rod (5) ranges from 4 degrees to 90 degrees.