Breaking hammer for building blasting
By designing a blasting hammer for building structures including insert blocks, slots, limit slots and limit blocks, the problem of replacing the entire drill rod after wear in the prior art is solved, and the rapid replacement of the drill rod head is achieved, reducing the replacement cost and improving efficiency.
Patent Information
- Application Number
- CN202421169195.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
Since the drill rods used for blasting in existing buildings are usually integrated, the entire drill rod needs to be replaced after the drill rod head wears, which increases the replacement cost and causes waste of resources.
A breaker hammer including the main body of the breaker rod, the connecting rod, the internal threaded pipe and other components is designed. By setting up structures such as insertion blocks, slots, limit slots and limit blocks, the quick replacement of the head of the drill rod is achieved.
After the head of the drill rod is worn, you only need to replace the head of the drill rod, which reduces the replacement cost, improves the replacement efficiency, and avoids waste of resources.
Smart Images
Figure CN222575609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of breaker hammers, in particular to a breaker hammer for building blasting. Background Art
[0002] A breaker hammer is an engineering equipment usually installed on an excavator. It uses a high-pressure oil circuit to transfer energy to the hammer head, generating a powerful impact force to destroy objects. It has the advantages of fast breaking speed and easy operation, and is often used in blasting and demolition of buildings.
[0003] At present, during the long-term use of the breaker hammer for building blasting, since its drill rod is usually an integrated type, when the drill rod head is worn, the entire drill rod needs to be replaced, which increases the replacement cost and also causes waste of resources. For this reason, we propose a breaker hammer for building blasting. Utility Model Content
[0004] The utility model aims to provide a breaker hammer for building blasting, which has the advantages that only the drill rod head needs to be replaced after the drill rod head is worn, thereby reducing the replacement cost and improving the replacement efficiency. It solves the problem that in the long-term use of the current breaker hammer for building blasting, since the drill rod is usually an integrated type, when the drill rod head is worn, the entire drill rod needs to be replaced, which increases the replacement cost and also causes a waste of resources.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a breaker hammer for building blasting, comprising a breaker hammer body, a drill rod and an internal threaded tube, the output end of the breaker hammer body is fixedly connected to a connecting rod, first fixing rods are symmetrically welded at both sides of the outer surface of the connecting rod, an insert block is provided at the end of the connecting rod, a slot is provided on the upper surface of the drill rod, and the insert block is located inside the slot, second fixing rods are symmetrically welded at both sides of the outer surface of the drill rod, threaded rods are movably inserted at positions near both ends of the outer surface of the internal threaded tube, and a fixing ring is fixedly connected to one end of each threaded rod located outside the internal threaded tube.
[0006] Preferably, the front surface and the rear surface of the connecting rod are symmetrically provided with limiting grooves near the lower surface, and the upper surface of the drill rod is symmetrically provided with limiting blocks near the front surface and the rear surface.
[0007] Preferably, each of the first fixing rod and the second fixing rod is provided with a pin hole on the outer surface near the end position.
[0008] Preferably, the outer surface of the internally threaded tube is in the shape of a hexagonal prism.
[0009] Preferably, the slot and the insert are both truncated cone shaped.
[0010] Preferably, a hollow baffle is welded on the outer surface of the drill rod at a position below the second fixing rod.
[0011] Preferably, a retaining ring is welded on the lower surface of the hollow retaining disk near the edge.
[0012] Preferably, a plurality of water spray holes are equidistantly arranged in a circular array on the lower surface of the hollow baffle plate, a connecting pipe is fixedly connected to the upper surface of the hollow baffle plate, and a quick connector is fixedly connected to the end of the connecting pipe.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model provides a breaker hammer body, a drill rod, a connecting rod, a slot, an insert, an internal threaded tube, a threaded rod, a fixing ring, a first fixing rod and a second fixing rod, so that only the drill rod head needs to be replaced after the drill rod head is worn, thereby reducing the replacement cost and improving the replacement efficiency. The insert at the end of the connecting rod is inserted into the slot, the first fixing rod and the second fixing rod are inserted into the fixing ring, the internal threaded tube is rotated so that the threaded rod pulls the drill rod and fixes the drill rod on the connecting rod. When the drill rod head is worn, the internal threaded tube is rotated in the opposite direction to separate the insert and the slot, so that the drill rod can be removed from the connecting rod and replaced.
[0015] 2. The utility model achieves the effect of facilitating the positioning connection between the connecting rod and the drill rod and limiting the torsion between the drill rod and the connecting rod by setting the limiting groove and the limiting block. When the connecting rod and the drill rod are connected, the limiting block is inserted into the limiting groove to position the two and limit the torsion between the drill rod and the connecting rod, thereby preventing the torsion between the two from causing damage to the internal threaded tube and the threaded rod.
[0016] 3. The utility model achieves the effect of shielding and protecting the threaded rod and the internally threaded pipe by arranging the hollow baffle plate and the baffle ring. When the drill rod breaks the building, the baffle ring and the hollow baffle plate can shield the flying fragments and prevent the fragments from hitting the internally threaded pipe and the threaded rod.
[0017] 4. The utility model achieves the effect of reducing dust during crushing by arranging water spray holes, connecting pipes and quick connectors. The water pipes are connected to the quick connectors. When the building is crushed by the drill rod, the water sprayed from the water spray holes contacts the dust, thereby reducing the generation of dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0019] Figure 2 For this utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;
[0020] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of B;
[0021] Figure 4 This is a schematic diagram of the main structure of the utility model;
[0022] Figure 5 It is a partial side sectional structural schematic diagram of the connecting rod and the drill rod of the utility model.
[0023] Figure numerals: 1. breaker body; 2. connecting rod; 3. drill rod; 4. quick connector; 5. connecting pipe; 6. hollow baffle plate; 7. baffle ring; 8. first fixing rod; 9. internal threaded pipe; 10. limit groove; 11. limit block; 12. threaded rod; 13. second fixing rod; 14. pin hole; 15. fixing ring; 16. plug block; 17. slot; 18. water spray hole. DETAILED DESCRIPTION
[0024] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] Embodiment 1
[0026] like Figure 1-Figure 5 As shown, a breaker hammer for building blasting proposed by the utility model comprises a breaker hammer body 1, a drill rod 3 and an internal threaded pipe 9, the output end of the breaker hammer body 1 is fixedly connected with a connecting rod 2, and first fixing rods 8 are symmetrically welded at both sides of the outer surface of the connecting rod 2, an insert block 16 is arranged at the end of the connecting rod 2, a slot 17 is arranged on the upper surface of the drill rod 3, and the insert block 16 is located inside the slot 17, and the slot 17 and the insert block 16 are both truncated cone-shaped. When the detachable insert block 16 is separated from the inside of the slot 17, the truncated cone-shaped slot 1 7 and the insert block 16 are easier to separate, the front surface and the rear surface of the connecting rod 2 are symmetrically provided with limit grooves 10 near the lower surface, the upper surface of the drill rod 3 is symmetrically provided with limit blocks 11 near the front surface and the rear surface, the limit blocks 11 and the drill rod 3 are integrally formed, when the connecting rod 2 and the drill rod 3 are connected, the limit blocks 11 are inserted into the limit grooves 10 to position the two and connect them, and also limit the torsion between the drill rod 3 and the connecting rod 2, and second fixing rods 13 are symmetrically welded at both sides of the outer surface of the drill rod 3.
[0027] Threaded rods 12 are movably inserted near the two ends of the outer surface of the internal threaded tube 9, and a fixing ring 15 is fixedly connected to one end of each threaded rod 12 located outside the internal threaded tube 9. The fixing rings 15 at both ends of each internal threaded tube 9 are respectively sleeved on the first fixing rod 8 and the second fixing rod 13. The outer surface of the internal threaded tube 9 is a hexagonal prism, and the hexagonal internal threaded tube 9 is convenient for turning it with a wrench. A pin hole 14 is provided on the outer surface of each first fixing rod 8 and the second fixing rod 13 near the end position, and a pin shaft is inserted into the pin hole 14 to prevent the fixing ring 15 from slipping off the first fixing rod 8 or the second fixing rod 13.
[0028] When the utility model is in use, the breaker body 1 is installed on the excavator, the plug block 16 at the end of the connecting rod 2 is inserted into the slot 17, the first fixing rod 8 and the second fixing rod 13 are inserted into the fixing ring 15, the internal threaded tube 9 is rotated so that the threaded rod 12 pulls the drill rod 3, and the drill rod 3 is fixed on the connecting rod 2, and the blasting building is broken by the drill rod 3. When the head of the drill rod 3 is worn, the internal threaded tube 9 is rotated in the opposite direction, so that the plug block 16 and the slot 17 can be separated, so that the drill rod 3 can be removed from the connecting rod 2 and replaced.
[0029] Embodiment 2
[0030] like Figure 1 , Figure 4 and Figure 5 As shown, the utility model proposes a breaker hammer for building blasting. Compared with the first embodiment, the present embodiment also includes a hollow baffle 6 welded on the outer surface of the drill rod 3 at a position below the second fixed rod 13, and a baffle ring 7 is welded on the lower surface of the hollow baffle 6 near the edge. The baffle ring 7 is in an inverted funnel shape, which increases the shielding area of the hollow baffle 6. The lower surface of the hollow baffle 6 is provided with a plurality of water spray holes 18 equidistantly in a circular array, and the upper surface of the hollow baffle 6 is fixedly connected to a connecting pipe 5, and the end of the connecting pipe 5 is fixedly connected to a quick connector 4.
[0031] In this embodiment, when the drill rod 3 breaks the building, the retaining ring 7 and the hollow retaining plate 6 can shield the flying fragments, preventing the fragments from hitting the internal threaded pipe 9 and the threaded rod 12, and the water pipe is connected to the quick connector 4, and the water sprayed from the water spray hole 18 contacts the dust, thereby reducing the generation of dust.
[0032] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.
Claims
1. A breaker hammer for building blasting, comprising a breaker hammer body (1), a drill rod (3) and an internally threaded pipe (9), characterized in that: The output end of the breaker body (1) is fixedly connected to a connecting rod (2), and first fixing rods (8) are symmetrically welded at both sides of the outer surface of the connecting rod (2). An insert block (16) is provided at the end of the connecting rod (2). A slot (17) is provided on the upper surface of the drill rod (3), and the insert block (16) is located inside the slot (17). Second fixing rods (13) are symmetrically welded at both sides of the outer surface of the drill rod (3). Threaded rods (12) are movably inserted at positions near both ends of the outer surface of the internal threaded tube (9), and one end of each threaded rod (12) located outside the internal threaded tube (9) is fixedly connected to a fixing ring (15).
2. A breaker hammer for building blasting according to claim 1, characterized in that: The front surface and rear surface of the connecting rod (2) are symmetrically provided with limiting grooves (10) near the lower surface, and the upper surface of the drill rod (3) is symmetrically provided with limiting blocks (11) near the front surface and rear surface.
3. A breaker hammer for building blasting according to claim 1, characterized in that: A pin hole (14) is provided on the outer surface of each of the first fixing rod (8) and the second fixing rod (13) near the end position.
4. A breaker hammer for building blasting according to claim 1, characterized in that: The outer surface of the internally threaded tube (9) is in the shape of a hexagonal prism.
5. A breaker hammer for building blasting according to claim 1, characterized in that: The slot (17) and the insert block (16) are both truncated cone shaped.
6. A breaker hammer for building blasting according to claim 1, characterized in that: A hollow baffle (6) is welded to the outer surface of the drill rod (3) at a position below the second fixing rod (13).
7. A breaker hammer for building blasting according to claim 6, characterized in that: A retaining ring (7) is welded to the lower surface of the hollow retaining disc (6) near the edge.
8. A breaker hammer for building blasting according to claim 6, characterized in that: The lower surface of the hollow baffle plate (6) is provided with a plurality of water spray holes (18) in an annular array at equal intervals, the upper surface of the hollow baffle plate (6) is fixedly connected to a connecting pipe (5), and the end of the connecting pipe (5) is fixedly connected to a quick connector (4).