High-toughness wear-resistant impact-resistant alloy cast steel hammer head

Abstract

The utility model relates to the field of mechanical manufacturing, and discloses a high-toughness wear-resistant impact-resistant alloy cast steel hammer which comprises a hammer handle, a T-shaped block is fixedly connected to the bottom end of the hammer handle, a limiting mechanism is arranged on the inner wall of the T-shaped block, a hammer body is connected to the outer wall of the T-shaped block in an inserted mode, an auxiliary block is connected to the left end of the hammer body in an inserted mode, and the auxiliary block is connected to the right end of the hammer body in an inserted mode. The outer wall of the upper end of the auxiliary block is in threaded connection with the left end of the T-shaped block through a connecting bolt, the outer wall of the lower end of the auxiliary block is in threaded connection with the left end of the hammer head through a fastening bolt, and an inserting groove is formed in the side wall of the inner side of the hammer head. According to the utility model, the hammerhead can be preliminarily connected and limited through the insertion or separation of the T-shaped block and the hammerhead and the insertion or separation of the wedge block and the slot, and finally, the fixing stability is further improved through the insertion of the auxiliary block and the hammerhead and the connection bolt and the fastening bolt, so that the hammerhead can be independently replaced according to the use condition; the whole hammer head does not need to be replaced, and maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of mechanical manufacturing, in particular to a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head. Background Art

[0002] With the continuous development of industry, the demand for crushing equipment in industries such as mining, construction, and metallurgy continues to grow. The crushing operations in these industries usually require the processing of large amounts of hard materials, which places extremely high performance requirements on the hammer head. High strength, high toughness, good wear resistance and impact resistance have become key characteristics.

[0003] The existing technology has the following defects: the existing high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head generally adopts an integral structure. Once a part of the hammer head is worn or damaged, the entire hammer head needs to be replaced, which not only increases maintenance costs but also causes waste of resources. Moreover, the weight of the traditional hammer head is fixed, which is difficult to adjust according to different equipment working parameters and requirements, and cannot adapt well to various complex working conditions. Therefore, a high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head, aiming to improve the problem in the prior art that the hammer head part cannot be replaced separately.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head, comprising a hammer handle, the bottom end of the hammer handle is fixedly connected to a T-block, the inner wall of the T-block is provided with a limiting mechanism, the outer wall of the T-block is plugged with a hammer head, the left end of the hammer head is plugged with an auxiliary block, the upper outer wall of the auxiliary block is threadedly connected to the left end of the T-block by a connecting bolt, the lower outer wall of the auxiliary block is threadedly connected to the left end of the hammer head by a fastening bolt, the inner side wall of the hammer head is provided with a slot, and the outer wall of the hammer handle is provided with a counterweight assembly.

[0006] As a further description of the above technical solution:

[0007] The counterweight assembly includes a support column, which is fixedly connected to the outer wall of the hammer handle. A counterweight block is inserted into the outer wall of the support column. A positioning ring is fixedly connected to the outer wall of the counterweight block. A high-strength bolt is passed through and threadedly connected to the inner wall of the positioning ring. A nut is threadedly connected to the outer wall of the high-strength bolt.

[0008] As a further description of the above technical solution:

[0009] The counterweight blocks are provided in multiple groups, and the counterweight blocks in the multiple groups are in contact with each other.

[0010] As a further description of the above technical solution:

[0011] The positioning ring is inserted into the outer wall of the counterweight block, the positioning ring is inserted into the outer wall of the support column, and the high-strength bolt passes through and is threadedly connected to the outer wall of the support column.

[0012] As a further description of the above technical solution:

[0013] The limiting mechanism includes a wedge block, which penetrates and is slidably connected to the inner wall of the T-shaped block. The front end of the wedge block is elastically connected to the T-shaped block through a return spring.

[0014] As a further description of the above technical solution:

[0015] The front end of the wedge block is fixedly connected to one end of the return spring, and the other end of the return spring is fixedly connected to the front end inner wall of the T-shaped block.

[0016] As a further description of the above technical solution:

[0017] The wedge block is inserted into the inner wall of the slot.

[0018] As a further description of the above technical solution:

[0019] The bottom end of the hammer handle contacts the top end of the hammer head.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the hammer head can be initially connected and limited by plugging or separating the T-block and the hammer head, and plugging or separating the wedge block and the slot. Finally, the auxiliary block and the hammer head are plugged in and the fixing stability is further improved by connecting bolts and fastening bolts. The hammer head can be replaced separately according to the usage without replacing the entire hammer head, thereby reducing maintenance costs.

[0022] 2. In the present invention, by releasing the threaded fixing of the positioning ring by the high-strength bolt, the weight of the counterweight can be changed by adding or subtracting the counterweight to optimize the performance of the hammer head, so that the hammer head can adapt to the working parameters and requirements of different equipment and be adjusted according to different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic overall perspective view of a hammer handle and hammer head of a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head proposed by the present invention;

[0024] Figure 2 This is a schematic diagram of the exploded view of the hammer head and auxiliary block of a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head proposed by the present invention;

[0025] Figure 3 This is an exploded schematic diagram of a T-shaped block, hammer head and auxiliary block of a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head proposed in the utility model;

[0026] Figure 4 This is a schematic diagram of the T-shaped block and hammer head of a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head proposed by the utility model;

[0027] Figure 5 This is an exploded schematic diagram of the support column and counterweight block of a high-strength, wear-resistant and impact-resistant alloy cast steel hammer head proposed by the present invention;

[0028] Figure 6 This is a side view schematic diagram of a counterweight block of a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head proposed by the utility model.

[0029] Legend:

[0030] 1. Hammer handle; 2. T-block; 3. Return spring; 4. Wedge; 5. Auxiliary block; 6. Connecting bolt; 7. Fastening bolt; 8. Hammer head; 9. Slot; 10. Support column; 11. Counterweight; 12. Positioning ring; 13. High-strength bolt; 14. Nut. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-Figure 3, the utility model provides an embodiment: a high-strength, tough, wear-resistant and impact-resistant alloy cast steel hammer head, including a hammer handle 1, the hammer handle 1 and the hammer head 8 are both made of existing high-strength, tough, wear-resistant and impact-resistant materials, which are prior arts and will not be described in detail here. The bottom end of the hammer handle 1 is fixedly connected to a T-shaped block 2, and a limiting mechanism is provided on the inner wall of the T-shaped block 2. A hammer head 8 is plugged into the outer wall of the T-shaped block 2, and an auxiliary block 5 is plugged into the left end of the hammer head 8. When the auxiliary block 5 is plugged into the hammer head 8, it can block the T-shaped block 2, further improving its installation stability. The upper end of the auxiliary block 5 is externally fixed to the hammer head 8. The wall is threadedly connected to the left end of the T-block 2 through a connecting bolt 6. A notch corresponding to the connecting bolt 6 is provided on the left end side wall of the T-block 2, which allows the connecting bolt 6 to be threadedly connected to it. The outer wall of the lower end of the auxiliary block 5 is threadedly connected to the left end of the hammer head 8 through a fastening bolt 7. A notch matching the fastening bolt 7 is provided on the left end of the hammer head 8, which allows the fastening bolt 7 to be threadedly connected to it. A slot 9 is provided on the inner side wall of the hammer head 8. The slot 9 is the same size as the wedge block 4, which can meet the one-way limit of the wedge block 4 and its insertion. A counterweight assembly is provided on the outer wall of the hammer handle 1.

[0033] Reference Figure 1 、 Figure 5 and Figure 6 The counterweight assembly includes a support column 10, which is fixedly connected to the outer wall of the hammer handle 1. A counterweight block 11 is inserted into the outer wall of the support column 10. By adding or reducing the counterweight block 11, the hammer head 8 can have greater momentum during the movement, thereby increasing the striking force. The outer wall of the counterweight block 11 is fixedly connected to a positioning ring 12. There is a threaded hole passing through the positioning ring 12, which allows a high-strength bolt 13 to pass through for tightening. The inner wall of the positioning ring 12 is penetrated and threaded with a high-strength bolt 13. The high-strength bolt 13 is usually made of alloy steel and has high strength and hardness. They can withstand a large pre-tightening force and are not easy to loosen during the use of the hammer head 8. The existing components are not described in detail here. The outer wall of the high-strength bolt 13 is threadedly connected with a nut 14, and the counterweight block 11 is provided with multiple groups. The multiple groups of counterweight blocks 11 are in contact with each other. The positioning ring 12 is inserted into the outer wall of the counterweight block 11, and a notch corresponding to the positioning ring 12 is opened on the counterweight block 11, which allows the positioning ring 12 to be inserted into the counterweight block 11. The positioning ring 12 is inserted into the outer wall of the support column 10, and the high-strength bolt 13 passes through and is threadedly connected to the outer wall of the support column 10. The support column 10 is provided with multiple notches corresponding to the high-strength bolts 13.

[0034] Reference Figure 2-Figure 4The limiting mechanism includes a wedge block 4, which has an inclined surface. When the inclined surface is squeezed, the wedge block 4 will slide along the inner wall of the T-shaped block 2. The wedge block 4 passes through and is slidably connected to the inner wall of the T-shaped block 2. A notch corresponding to the wedge block 4 is provided on the T-shaped block 2, which can meet the needs of the wedge block 4 to move along the notch. The front end of the wedge block 4 is elastically connected to the T-shaped block 2 through a return spring 3, and the front end of the wedge block 4 is fixedly connected to one end of the return spring 3. When the wedge block 4 moves forward, the return spring 3 is compressed. When resetting, the return spring 3 is used to reset the wedge block 4. The other end of the return spring 3 is fixedly connected to the front inner wall of the T-shaped block 2. The wedge block 4 is inserted into the inner wall of the slot 9, and the bottom end of the hammer handle 1 contacts the top of the hammer head 8.

[0035] Working principle: First, when the hammer head 8 needs to be replaced, it is only necessary to twist the connecting bolt 6 and the fastening bolt 7 with a tool to separate the connecting bolt 6 and the fastening bolt 7 from the side walls of the T-block 2 and the hammer head 8 respectively, and then move the auxiliary block 5 out from the inner wall of the hammer head 8, and then move the wedge block 4 forward by hand to separate the wedge block 4 from the notch of the slot 9, so that the hammer head 8 can be moved out to the right from the outer wall of the T-block 2, and finally loosen the wedge block 4 and use the reverse elastic force of the reset spring 3 to reset the wedge block 4. When a new hammer head 8 needs to be installed, it is only necessary to let the hammer head 8 Insert from the right end side wall of the T-block 2. During the insertion process, the left end side wall of the hammer head 8 will squeeze the inclined surface of the wedge block 4, allowing the wedge block 4 to move forward and compress the reset spring 3. When the wedge block 4 and the notch of the slot 9 coincide, the reverse elastic force of the reset spring 3 is used to reset the wedge block 4, allowing the wedge block 4 to be inserted into the notch of the slot 9 to limit the hammer head 8 in one direction. At this time, insert the auxiliary block 5 into the left end of the hammer head 8, and finally use tools to tighten the connecting bolt 6 and the T-block 2 threads, as well as the tightening bolt 7 and the hammer head 8 threads.

[0036] When it is necessary to adjust the counterweight on the hammer handle 1, just twist the nut 14 to disengage the nut 14 and the high-strength bolt 13, and finally twist the high-strength bolt 13 to remove it from the inner wall thread of the positioning ring 12 and the support column 10, so that the counterweight block 11 can be removed from the outer wall of the support column 10 or inserted in to increase the counterweight during use. When tightening is required, just thread the high-strength bolt 13 into the positioning ring 12 and the corresponding notch on the support column 10, and finally complete the threaded connection between the nut 14 and the high-strength bolt 13.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-strength, wear-resistant and impact-resistant alloy cast steel hammer head, comprising a hammer handle (1), characterized in that: The bottom end of the hammer handle (1) is fixedly connected to a T-shaped block (2), the inner wall of the T-shaped block (2) is provided with a limiting mechanism, the outer wall of the T-shaped block (2) is plugged with a hammer head (8), the left end of the hammer head (8) is plugged with an auxiliary block (5), the upper end outer wall of the auxiliary block (5) is threadedly connected to the left end of the T-shaped block (2) through a connecting bolt (6), the lower end outer wall of the auxiliary block (5) is threadedly connected to the left end of the hammer head (8) through a fastening bolt (7), the inner side wall of the hammer head (8) is provided with a slot (9), and the outer wall of the hammer handle (1) is provided with a counterweight assembly.

2. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 1, characterized in that: The counterweight assembly comprises a support column (10), the support column (10) is fixedly connected to the outer wall of the hammer handle (1), a counterweight block (11) is inserted into the outer wall of the support column (10), a positioning ring (12) is fixedly connected to the outer wall of the counterweight block (11), a high-strength bolt (13) is passed through and threadedly connected to the inner wall of the positioning ring (12), and a nut (14) is threadedly connected to the outer wall of the high-strength bolt (13).

3. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 2, characterized in that: The counterweight blocks (11) are provided in multiple groups, and the multiple groups of counterweight blocks (11) are in contact with each other.

4. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 2, characterized in that: The positioning ring (12) is inserted into the outer wall of the counterweight (11), the positioning ring (12) is inserted into the outer wall of the support column (10), and the high-strength bolt (13) passes through and is threadedly connected to the outer wall of the support column (10).

5. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 1, characterized in that: The limiting mechanism includes a wedge block (4), which penetrates and is slidably connected to the inner wall of the T-shaped block (2), and the front end of the wedge block (4) is elastically connected to the T-shaped block (2) via a return spring (3).

6. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 5, characterized in that: The front end of the wedge block (4) is fixedly connected to one end of the return spring (3), and the other end of the return spring (3) is fixedly connected to the front end inner wall of the T-shaped block (2).

7. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 5, characterized in that: The wedge (4) is inserted into the inner wall of the slot (9).

8. The high-strength, toughness, wear-resistant and impact-resistant alloy cast steel hammer head according to claim 1, characterized in that: The bottom end of the hammer handle (1) contacts the top end of the hammer head (8).

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