Hammer pendulum mechanism of prying trolley

By directly hinged the swing cylinder seat and hammer mounting seat on the prying trolley, and using the upper coupling and slider to transmit torque, the problem of early failure of the swing hydraulic cylinder due to bending moment and torque during the prying process is solved, and the long service life of the equipment is achieved.

CN223676264UActive Publication Date: 2025-12-16ZHEJIANG KAISHAN HEAVY IND CO LTD
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Patent Information

Application Number
CN202520139684.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-16
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

The existing swing hydraulic cylinders of the prying trolley are prone to oil leakage or failure under alternating impact loads and prying bending moments, resulting in a short service life.

Method used

The swing cylinder seat is directly hinged to the hammer mounting seat. The upper half coupling, the slider and the lower half coupling are used to transmit torque. The clearance fit reduces the bending moment when the hydraulic hammer is working and extends the service life of the swing cylinder.

Benefits of technology

This effectively solves the problem of the swing cylinder being subjected to both torque and bending moment, improves the service life of the swing cylinder, avoids the direct action of high-frequency alternating loads during the operation of the hydraulic hammer, and significantly extends the service life of the equipment.

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Abstract

The utility model relates to a hammer pendulum mechanism of a prying trolley, which comprises a swinging cylinder seat, a swinging cylinder and a hammer mounting seat, the swinging cylinder seat is hinged with the hammer mounting seat, the swinging cylinder is positioned between the swinging cylinder seat and the hammer mounting seat and is fixed with the swinging cylinder seat, at least one end of the swinging cylinder is fixedly provided with an upper half coupling, and the other end of the swinging cylinder is fixedly provided with a lower half coupling. A lower half coupling is fixed on the hammer mounting seat, a sliding block is clamped between the upper half coupling and the lower half coupling, raised lines are respectively arranged on the upper end surface and the lower end surface of the sliding block, and the two raised lines are arranged at an angle; long-strip-shaped through grooves are formed in the opposite sides of the upper half coupling and the lower half coupling respectively, and the protruding strips are embedded in the through grooves and are in clearance fit with the through grooves. According to the utility model, the oscillating cylinder is effectively affected by both torque and bending moment; when the hydraulic hammer works, the high-frequency alternating load cannot directly act on the oscillating cylinder, and the service life of the oscillating cylinder is greatly prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mine with mechanical technical field especially relates to a pry hair trolley hammer swing mechanism. BACKGROUND

[0002] The pry hair trolley belongs to the auxiliary equipment of mine exploitation or tunnel construction, and is mainly matched with the drilling and blasting method construction. The roadway is influenced by blasting impact, and there are unstable rubble on the two sides and the top, so the pry hair process treatment is needed before the equipment and personnel enter, to ensure the construction safety. With the increasingly strict mine exploitation safety requirement, the pry hair trolley equipment replaces the human operation more.

[0003] The swing hydraulic cylinder is widely applied to the pry hair trolley, and when using, the swing hydraulic cylinder is generally installed at the front end of the pry hair trolley, is connected with the breaking hammer at the front end, and realizes the swing function of the front breaking hammer. In the prior art, the hammer mounting seat is directly fixed on the two end faces of the swing cylinder by bolts, under the action of the alternating impact load of the hydraulic hammer and the pry hair bending moment, the swing hydraulic cylinder leaks oil or the swing cylinder internal leakage fails at the swing cylinder joint surface and the plug, and the service life of the swing hydraulic cylinder is less than 3 months, which seriously affects the use of the whole vehicle. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a pry hair trolley hammer swing mechanism, which can prolong the service life of the swing hydraulic cylinder.

[0005] In order to realize the above utility model purpose, the utility model adopts the following technical scheme:

[0006] The pry hair trolley hammer swing mechanism comprises a swing cylinder seat, a swing cylinder and a hammer mounting seat, the swing cylinder seat and the hammer mounting seat are hingedly connected, the swing cylinder is located between the swing cylinder seat and the hammer mounting seat, and is fixed with the swing cylinder seat, at least one end of the swing cylinder is fixed with an upper half coupling, the hammer mounting seat is fixed with a lower half coupling, and a sliding block is further clamped between the upper half coupling and the lower half coupling, the upper and lower end faces of the sliding block are respectively provided with protrusions, and the two protrusions are arranged at an angle; the upper half coupling and the lower half coupling are respectively provided with long slot-shaped grooves on the opposite sides, the protrusions are embedded in the grooves, and gap cooperation is achieved between the protrusions and the grooves.

[0007] As a preferred scheme: the protrusions on the upper and lower end faces of the sliding block are arranged vertically.

[0008] As a preferred scheme: the upper half coupling, the lower half coupling, the swing cylinder and the hammer mounting seat are fastened by bolts, and a shockproof washer is further arranged between the bolts and the upper half coupling and the lower half coupling.

[0009] As a preferred scheme: the upper and lower ends of the swing cylinder base are respectively provided with connecting ears A, the upper and lower ends of the hammer mounting base are respectively provided with connecting ears B, bearings are fixed in the connecting ears A and / or the connecting ears B, and the pin shaft is at least partially inserted in the bearings.

[0010] As a preferred scheme: a limiting groove is formed on the side wall of the pin shaft exposed part of the connecting ear A or the connecting ear B, and a limiting plate is further fixed on the end face of the connecting ear A or the connecting ear B and clamped in the limiting groove.

[0011] As a preferred scheme: an oiling bolt is further arranged on the end face of the pin shaft exposed part of the connecting ear A or the connecting ear B, and an oil hole extending to the side wall is arranged in the pin shaft.

[0012] As a preferred scheme: the connecting ear B is a double-layer plate structure, the connecting ear A is inserted in the connecting ear B and gap-fitted with the connecting ear B.

[0013] As a preferred scheme: a bolt is arranged to penetrate the swing cylinder, the bolt further penetrates the swing cylinder base and is fastened with a nut after cooperating with the nut, and a shockproof washer is further arranged between the bolt and the nut.

[0014] As a preferred scheme: a hydraulic hammer assembly is further fixed on the side of the hammer mounting base away from the swing cylinder base through a bolt.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The swing cylinder base and the hammer mounting base are directly hinged, rely on the hinge to bear the alternating load when the hydraulic hammer works and the bending moment when the hammer is pried, the swing cylinder utilizes the upper half coupling, the sliding block and the lower half coupling to transmit the torque, and the upper half coupling, the sliding block and the lower half coupling are gap-fitted, finally make the swing cylinder only bear the torque, do not bear the bending moment, improve the service life.

[0017] The utility model effectively solves that the swing cylinder is affected by the torque and the bending moment, the high-frequency alternating load when the hydraulic hammer works cannot directly act on the swing cylinder, and the service life of the swing cylinder is greatly increased. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings accompanying the specification provide further understanding of the application, the schematic embodiments of the application and the description thereof serve to explain the application, and do not constitute the limitation of the application.

[0019] Figure 1 It is the side surface structure schematic view of the utility model,

[0020] Figure 2 It is the top surface structure schematic view of the utility model,

[0021] Figure 3 is Figure 2 an A-A sectional view of

[0022] Figure 4 is an explosive structure schematic diagram of the utility model.

[0023] The figure mark is: 1, swing cylinder base; 11, connecting lug A; 12, bearing; 2, swing cylinder; 21, upper coupling; 22, sliding block; 23, lower half coupling; 24, bolt; 25, shock pad; 26, nut; 3, hammer mounting base; 31, connecting lug B; 32, pin shaft; 321, oil injection bolt; 33, limit plate; 4, hydraulic hammer assembly. DETAILED DESCRIPTION

[0024] It should be noted that the following detailed description is exemplary in nature and is intended to provide further description of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0025] It is to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0026] In addition, in the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0027] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more, unless otherwise explicitly limited.

[0028] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two elements inside. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] The utility model is further described below in conjunction with the drawings and examples:

[0031] As shown in Figures 1 to 4 The pry trolley hammer swing mechanism includes a swing cylinder seat 1, a swing cylinder 2 and a hammer mounting seat 3, the swing cylinder seat 1 and the hammer mounting seat 3 are hingedly connected to each other, the swing cylinder 2 is located between the swing cylinder seat 1 and the hammer mounting seat 3 and is fixed with the swing cylinder seat 1, a bolt 24 is penetrated through the swing cylinder 2, the bolt 24 further penetrates the swing cylinder seat 1 and is fastened with a nut 26 in cooperation, and a shock pad 25 is further arranged between the bolt 24 and the nut 26.

[0032] At least one end of the swing cylinder 2 is fixed with an upper half coupling 21, the hammer mounting seat 3 is fixed with a lower half coupling 23, and a sliding block 22 is further clamped between the upper half coupling 21 and the lower half coupling 23, the upper and lower end faces of the sliding block 22 are respectively provided with protrusions, and the two protrusions are arranged at an angle, as a preferred solution, the protrusions on the upper and lower end faces of the sliding block 22 are arranged perpendicular to each other, the upper half coupling 21 and the lower half coupling 23 are respectively provided with long slot-shaped grooves on opposite sides, the protrusions are embedded in the grooves and are in gap cooperation with the grooves. The upper half coupling 21, the lower half coupling 23, the swing cylinder 2 and the hammer mounting seat 3 are fastened by the bolt 24, and the shock pad 25 is further arranged between the bolt 24 and the upper half coupling 21 and the lower half coupling 23.

[0033] The connecting lug A11 is arranged on the upper and lower ends of the swing cylinder seat 1, the connecting lug B31 is arranged on the upper and lower ends of the hammer mounting base 3, the bearing 12 is fixed in the connecting lug A11 and / or the connecting lug B31, and the pin shaft 32 is at least partially inserted into the bearing 12.

[0034] The side wall of the pin shaft 32 exposed to the connecting lug A11 or the connecting lug B31 is provided with a limiting groove, the end surface of the connecting lug A11 or the connecting lug B31 is further provided with the limiting plate 33, and the limiting plate 33 is clamped in the limiting groove.

[0035] The hammer mounting base 3 is further provided with the hydraulic hammer assembly 4 through bolts away from the swing cylinder seat 1.

[0036] The swing cylinder seat is connected with the hammer mounting base through the upper and lower pin shafts, and relies on the pin shaft and the combined surface to bear the alternating load and the bending moment when the hammer works.

[0037] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application.

[0038] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments without departing from the principles and purposes of the present application within the scope of the present application. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belongs to the scope of the technical scheme of the present application.

Claims

1. A skewing trolley hammer swing mechanism, comprising a swing cylinder seat (1), a swing cylinder (2) and a hammer mounting seat (3), the swing cylinder seat (1) and the hammer mounting seat (3) are hingedly connected to each other, the swing cylinder (2) is located between the swing cylinder seat (1) and the hammer mounting seat (3), and is fixed with the swing cylinder seat (1), characterized in that: At least one end of the swing cylinder (2) is fixed with an upper half coupling (21), the hammer mounting base (3) is fixed with a lower half coupling (23), and the upper half coupling (21) and the lower half coupling (23) are further clamped with a sliding block (22), the upper and lower end faces of the sliding block (22) are respectively provided with protrusions, and the two protrusions are arranged at an angle; the upper half coupling (21) and the lower half coupling (23) are respectively provided with a long slot on the opposite side, the protrusions are embedded in the slot, and the slot is gap matched with the protrusions. ​ 2. The prying truck hammer swing mechanism of claim 1, wherein, The protrusions on the upper and lower end faces of the sliding block (22) are arranged vertically.

3. The prying cart hammer swing mechanism of claim 1, wherein, The upper half coupling (21), the lower half coupling (23), the swing cylinder (2) and the hammer mounting base (3) are fastened by bolts (24), and the bolts (24) are further provided with shockproof washers (25) between the upper half coupling (21) and the lower half coupling (23).

4. The prying cart hammer swing mechanism of claim 1, wherein, The upper and lower ends of the swing cylinder base (1) are respectively provided with connecting ears A (11), the upper and lower ends of the hammer mounting base (3) are respectively provided with connecting ears B (31), bearings (12) are fixed in the connecting ears A (11) and / or the connecting ears B (31), and the bearings (12) are inserted with pin shafts (32).

5. The prying truck hammer swing mechanism of claim 4, wherein, The side wall of the part of the pin shaft (32) exposed from the connecting ear A (11) or the connecting ear B (31) is provided with a limiting groove, and the end face of the connecting ear A (11) or the connecting ear B (31) is further fixed with a limiting plate (33), and the limiting plate (33) is clamped in the limiting groove.

6. The prying truck hammer swing mechanism of claim 4, wherein, The end face of the part of the pin shaft (32) exposed from the connecting ear A (11) or the connecting ear B (31) is further provided with an oil injection bolt (321), and the pin shaft (32) is provided with an oil hole extending to the side wall.

7. The prying cart hammer swing mechanism of claim 4, wherein, The connecting ear B (31) is a double-layer plate structure, the connecting ear A (11) is inserted in the connecting ear B (31), and is gap matched with the connecting ear B (31).

8. The prying cart hammer swing mechanism of claim 1, wherein, The swing cylinder (2) is provided with a bolt (24) penetrating through, the bolt (24) further penetrates through the swing cylinder base (1) and is fastened with a nut (26) after the swing cylinder base (1), and the bolt (24) and the nut (26) are further provided with shockproof washers (25) therebetween.

9. The prying cart hammer swing mechanism of claim 1, wherein, The hammer mounting base (3) is further fixed with a hydraulic hammer assembly (4) on the side away from the swing cylinder base (1) through a bolt.