Crushing-depth-adjustable breaking hammer

Abstract

The utility model belongs to the field of breaking hammers, and particularly relates to a breaking depth adjustable breaking hammer which comprises a hammer body, a vibration sleeve is installed at the lower end of the hammer body, a hammer rod is connected in the vibration sleeve in a sliding mode, an installation mechanism is arranged on the outer side of the vibration sleeve, and two symmetrically-distributed adjusting covers are fixedly connected to the outer side of the hammer body. A guide pipe is fixedly connected to the lower end of the adjusting cover, an adjusting rod is slidably connected to the interior of the adjusting cover, and an adjusting plate is fixedly connected to the lower end of the adjusting rod. The adjusting cover, the adjusting rod, the adjusting plate and other structures are additionally arranged on the hammer body, in the using process, the adjusting rod and the adjusting plate can be driven to move through threaded fit between the inner threaded pipe and the threaded rod, and the inserting depth of the hammer rod can be adjusted in the moving process of the adjusting plate; and therefore, the crushing depth can be positioned and adjusted through the adjusting plate, and the crushing depth can be effectively controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of breaking hammer, concretely is a kind of breaking hammer with adjustable breaking depth. BACKGROUND

[0002] Breaking hammer is used for breaking equipment. The power source of the equipment is the pressure oil provided by the pump station of excavator or loader. It can more effectively clean the floating stone and the soil in rock crevice in the action of excavating building foundation. However, the breaking depth needs to be judged by the experience of the driver in the process of breaking building in the prior art. However, the construction environment is relatively complex, which can easily lead to over-breaking or insufficient breaking depth during breaking, affecting the breaking quality. In addition, the hammer rod is prone to deformation during breaking, which needs regular maintenance. However, the hammer rod is not convenient to disassemble and install during maintenance, affecting the construction progress. Therefore, the prior art needs to be improved. SUMMARY

[0003] The utility model aims at providing a kind of breaking hammer with adjustable breaking depth, solve the problem of unadjustable breaking depth and inconvenient disassembly and installation of hammer rod.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of breaking hammer with adjustable breaking depth, including hammer body, the lower end of the hammer body is provided with vibration sleeve, the inside of the vibration sleeve is slidably connected with hammer rod, the outside of the vibration sleeve is provided with mounting mechanism, the outside of the hammer body is fixedly connected with two symmetrical distribution's adjusting cover, the lower end of the adjusting cover is fixedly connected with guide pipe, the inside of the adjusting cover is slidably connected with adjusting rod, the lower end of the adjusting rod is fixedly connected with adjusting plate, the outside of the adjusting cover is fixedly connected with motor, the inside of the adjusting cover is provided with bevel gear one by bearing, the inside of the adjusting cover is provided with internal thread pipe by bearing, the upper portion of the outside of the internal thread pipe is fixedly connected with bevel gear two, the upper end of the adjusting rod is fixedly connected with screw rod.

[0005] Preferably, the outside of the hammer body is fixedly connected with reinforcing block, the reinforcing block is fixedly connected with the adjusting cover, and the reinforcing block is fixedly connected with the guide pipe. The reinforcing block can increase the connection strength of the adjusting cover and the guide pipe with the hammer body.

[0006] Preferably, the adjusting rod is slidably connected with the guide pipe, and the adjusting plate is located on the outside of the hammer rod. The guide pipe can guide the movement of the adjusting rod.

[0007] Preferably, the screw rod is connected with the internal thread pipe through threads, the output shaft of the motor is fixedly connected with the bevel gear one, the bevel gear one is engaged with the bevel gear two, and the motor can drive the bevel gear one to rotate.

[0008] Preferably, a fixing plate is fixedly connected inside the adjusting cover, and the fixing plate is connected to the internal threaded tube through a bearing. The fixing plate can increase the stability of the internal threaded tube.

[0009] Preferably, the installation mechanism includes a connecting ring, a connecting ring is fixedly connected to the upper outer side of the hammer rod, the connecting ring is in slidable contact with the vibration sleeve, a fixing rod is fixedly connected to the outer side of the vibration sleeve, a support frame is fixedly connected to the outer side of the fixing rod, a limit frame is slidably connected to the outer side of the fixing rod, a spring is provided on the outer side of the fixing rod, the limit frame is slidably connected to both the connecting ring and the vibration sleeve, and the limit frame is slidably connected to the support frame. The limit frame can limit the hammer rod through the connecting ring.

[0010] Preferably, one end of the spring is fixedly connected to the limiting frame, and the other end of the spring is fixedly connected to the support frame. The support frame is fixedly connected to the vibration sleeve, and the spring can automatically reset the limiting frame through its elastic force.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model adds an adjustment cover, adjustment rod, and adjustment plate to the hammer body. During use, the adjustment rod and adjustment plate can be moved by the threaded engagement between the internal threaded pipe and the screw. During the movement, the depth of hammer rod insertion can be adjusted, thereby positioning and adjusting the crushing depth through the adjustment plate, which can effectively control the crushing depth.

[0013] 2. This utility model adds a fixing rod, a limiting frame, and a spring to the vibrating sleeve. The spring force can drive the limiting frame to slide to the outside of the connecting ring of the hammer rod, thus limiting the hammer rod. When disassembly and maintenance are required, the limiting frame can be removed from the connecting ring to release the limitation on the hammer rod, thereby effectively improving the maintenance efficiency of the hammer rod and avoiding affecting construction. Attached Figure Description

[0014] Figure 1 This is a perspective view of the overall structure of this utility model;

[0015] Figure 2 For the present utility model Figure 1 Enlarged right-side sectional view of the adjustment cover;

[0016] Figure 3 For the present utility model Figure 1 Enlarged view of the A-section structure;

[0017] Figure 4 For the present utility model Figure 3 A magnified 3D view of the limit frame.

[0018] Figure: 1, hammer body; 2, vibration sleeve; 3, hammer rod; 4, mounting mechanism; 5, adjusting cover; 6, guide pipe; 7, adjusting rod; 8, adjusting plate; 9, reinforcing block; 10, motor; 11, bevel gear one; 12, internally threaded pipe; 13, bevel gear two; 14, screw rod; 15, fixed plate; 41, connecting ring; 42, fixed rod; 43, support frame; 44, spring; 45, limiting frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figure 1 、 Figure 2 A broken depth adjustable breaking hammer, including hammer body 1, the lower end of hammer body 1 is provided with vibration sleeve 2, vibration sleeve 2 is slidably connected with hammer rod 3 in the inside, the outside of vibration sleeve 2 is provided with mounting mechanism 4, the outside of hammer body 1 is fixedly connected with two symmetrical adjusting covers 5, the lower end of adjusting cover 5 is fixedly connected with guide pipe 6, adjusting rod 7 is slidably connected in the inside of adjusting cover 5, the lower end of adjusting rod 7 is fixedly connected with adjusting plate 8, motor 10 is fixedly connected to the outside of adjusting cover 5, bevel gear one 11 is installed in the inside of adjusting cover 5 through bearing, internally threaded pipe 12 is installed in the inside of adjusting cover 5 through bearing, bevel gear two 13 is fixedly connected to the outside upper portion of internally threaded pipe 12, screw rod 14 is fixedly connected to the upper end of adjusting rod 7.

[0021] Please refer to Figure 1 、 Figure 2 The outside of hammer body 1 is fixedly connected with reinforcing block 9, reinforcing block 9 is fixedly connected with adjusting cover 5, reinforcing block 9 is fixedly connected with guide pipe 6, reinforcing block 9 can increase the connecting strength of adjusting cover 5 and guide pipe 6 with hammer body 1, adjusting rod 7 is slidably connected with guide pipe 6, adjusting plate 8 is located at the outside of hammer rod 3, guide pipe 6 can guide the movement of adjusting rod 7, screw rod 14 is connected with internally threaded pipe 12 through thread, the output shaft of motor 10 is fixedly connected with bevel gear one 11, bevel gear one 11 is engaged with bevel gear two 13, motor 10 can drive bevel gear one 11 to rotate, fixed plate 15 is fixedly connected in the inside of adjusting cover 5, fixed plate 15 is connected with internally threaded pipe 12 through bearing, fixed plate 15 can increase the stability of internally threaded pipe 12.

[0022] Please refer to Figure 1 、 Figure 3 ,Figure 4 The mounting mechanism 4 comprises a connecting ring 41, the outer side upper portion of the hammer rod 3 is fixedly connected with the connecting ring 41, the connecting ring 41 is in sliding contact with the vibration sleeve 2, the outer side of the vibration sleeve 2 is fixedly connected with a fixed rod 42, the outer side of the fixed rod 42 is fixedly connected with a support frame 43, the outer side of the fixed rod 42 is slidingly connected with a limiting frame 45, the outer side of the fixed rod 42 is provided with a spring 44, the limiting frame 45 is slidingly connected with the connecting ring 41 and the vibration sleeve 2, the limiting frame 45 is slidingly connected with the support frame 43, the limiting frame 45 can limit the hammer rod 3 through the connecting ring 41, one end of the spring 44 is fixedly connected with the limiting frame 45, the other end of the spring 44 is fixedly connected with the support frame 43, the support frame 43 is fixedly connected with the vibration sleeve 2, and the spring 44 can drive the limiting frame 45 to automatically reset through the elastic force.

[0023] The specific implementation process of the utility model is as follows: in use, the limiting frame 45 is pulled, the limiting frame 45 is compressed in the process of moving, when the limiting frame 45 is separated from the connecting ring 41, the limiting of the hammer rod 3 can be released, then the hammer rod 3 is taken out from the inside of the vibration sleeve 2, the hammer rod 3 is trimmed after being taken out, the hammer rod 3 is inserted into the inside of the vibration sleeve 2 after trimming is completed, the limiting frame 45 is loosened after being inserted stably, the spring 44 resets, the spring 44 can drive the limiting frame 45 to slide to the outside of the connecting ring 41 of the hammer rod 3 through the elastic force, and the maintenance of the hammer rod 3 can be completed;

[0024] When breaking is needed, the motor 10 is started, the motor 10 drives the bevel gear one 11 to rotate, the bevel gear one 11 drives the inner threaded pipe 12 to rotate through the bevel gear two 13, the inner threaded pipe 12 can drive the adjusting rod 7 and the adjusting plate 8 to move through the thread cooperation between the inner threaded pipe 12 and the screw rod 14, the adjusting plate 8 can adjust the use length of the hammer rod 3 in the process of moving, so that the breaking depth can be conveniently adjusted.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A depth-adjustable breaking hammer, comprising a hammer body (1), characterized in that: The lower end of the hammer body (1) is provided with a vibration sleeve (2), the inside of the vibration sleeve (2) is slidably connected with a hammer rod (3), the outside of the vibration sleeve (2) is provided with a mounting mechanism (4), the outside of the hammer body (1) is fixedly connected with two symmetrical adjusting covers (5), the lower end of the adjusting cover (5) is fixedly connected with a guide pipe (6), the inside of the adjusting cover (5) is slidably connected with an adjusting rod (7), the lower end of the adjusting rod (7) is fixedly connected with an adjusting plate (8), the outside of the adjusting cover (5) is fixedly connected with a motor (10), the inside of the adjusting cover (5) is provided with a bevel gear one (11) through a bearing, the inside of the adjusting cover (5) is provided with an internally threaded pipe (12) through a bearing, the outside upper portion of the internally threaded pipe (12) is fixedly connected with a bevel gear two (13), the upper end of the adjusting rod (7) is fixedly connected with a screw rod (14).

2. A depth adjustable breaking hammer according to claim 1, characterized in that: The outside of the hammer body (1) is fixedly connected with a reinforcing block (9), the reinforcing block (9) is fixedly connected with the adjusting cover (5), and the reinforcing block (9) is fixedly connected with the guide pipe (6).

3. A depth adjustable breaking hammer according to claim 1, characterized in that: The adjusting rod (7) is slidably connected with the guide pipe (6), and the adjusting plate (8) is located outside the hammer rod (3).

4. A depth adjustable breaking hammer according to claim 1, characterized in that: The screw rod (14) is connected with the internally threaded pipe (12) through threads, the output shaft of the motor (10) is fixedly connected with the bevel gear one (11), and the bevel gear one (11) is engaged with the bevel gear two (13).

5. A depth adjustable breaking hammer according to claim 1, characterized in that: The inside of the adjusting cover (5) is fixedly connected with a fixed plate (15), and the fixed plate (15) is connected with the internally threaded pipe (12) through a bearing.

6. A depth adjustable breaking hammer according to claim 1, characterized in that: The mounting mechanism (4) comprises a connecting ring (41), the outside upper portion of the hammer rod (3) is fixedly connected with the connecting ring (41), the connecting ring (41) is in sliding contact with the vibration sleeve (2), the outside of the vibration sleeve (2) is fixedly connected with a fixed rod (42), the outside of the fixed rod (42) is fixedly connected with a support frame (43), the outside of the fixed rod (42) is slidably connected with a limiting frame (45), the outside of the fixed rod (42) is provided with a spring (44), the limiting frame (45) is slidably connected with the connecting ring (41) and the vibration sleeve (2), and the limiting frame (45) is slidably connected with the support frame (43).

7. A depth adjustable breaking hammer according to claim 6, characterized in that: One end of the spring (44) is fixedly connected with the limiting frame (45), the other end of the spring (44) is fixedly connected with the support frame (43), and the support frame (43) is fixedly connected with the vibration sleeve (2).

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