CN216869983U - Dynamic compaction machine arm support testing device - Google Patents
Dynamic compaction machine arm support testing device Download PDFInfo
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- CN216869983U CN216869983U CN202220046828.0U CN202220046828U CN216869983U CN 216869983 U CN216869983 U CN 216869983U CN 202220046828 U CN202220046828 U CN 202220046828U CN 216869983 U CN216869983 U CN 216869983U
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Abstract
The utility model relates to the technical field of a dynamic compactor arm support, and provides a dynamic compactor arm support testing device, which comprises: the base is provided with a connecting structure for connecting with the arm support; hoisting; the lifting hoisting mechanism is arranged on the base and applies different forces to the arm support to be tested by changing the state of the suspended load; the supporting component is arranged on the base and is connected with the back-tilting prevention device of the arm support; and the connecting assembly is used for keeping or changing an included angle between the arm support to be tested and the horizontal ground. Different loads are applied to the arm support by changing the suspension state, and the process is repeated to test the mechanical properties of the arm support, such as fatigue strength. The testing device for the cantilever crane of the dynamic compaction machine, provided by the utility model, has a simple structure, does not need to be operated by an operator who sets the dynamic compaction machine, can reduce the testing cost and avoid safety accidents.
Description
Technical Field
The utility model relates to the technical field of dynamic compactor arm frames, in particular to a dynamic compactor arm frame testing device.
Background
The arm support is a key part of the dynamic compactor, so that the research on the mechanical properties of the arm support, such as fatigue strength, is very important. In the prior art, the whole machine is generally used as a main machine, and the fatigue strength of the arm support is tested by operating the dynamic compactor to perform circular operation by an operator. The fatigue strength of the cantilever crane is tested for a long time by using the complete machine, the service life of other unnecessary parts of the complete machine can be influenced, and additional economic loss can be caused by the following vehicle structure, the crawler structure and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a testing device for a cantilever crane of a dynamic compaction machine, which is used for solving the problem that a special testing device for the fatigue of the cantilever crane is lacked in the prior art.
The utility model provides a dynamic compactor arm support testing device, which comprises:
the base is provided with a connecting structure for connecting with the arm support;
hoisting;
the lifting hoisting mechanism is arranged on the base and applies different forces to the arm support to be tested by changing the state of the hoisting load;
the supporting component is arranged on the base and is connected with the back-tilting prevention device of the arm support;
and the connecting assembly is used for keeping or changing an included angle between the arm support to be tested and the horizontal ground.
According to the testing device for the cantilever crane of the dynamic compactor, provided by the utility model, the connecting assembly comprises a variable amplitude driving mechanism, and the cantilever crane is rotatably connected with the connecting structure;
the amplitude variation driving mechanism is arranged on the base and connected with the arm support so as to be used for adjusting an included angle between the arm support and a horizontal plane.
According to the testing device for the cantilever crane of the dynamic compactor, provided by the utility model, the amplitude variation driving mechanism comprises a hoisting mechanism and an amplitude variation steel wire rope;
the first end of the amplitude-variable steel wire rope is connected with the hoisting mechanism, and the second end of the amplitude-variable steel wire rope passes through the pulley block and is connected with the arm support;
the hoisting mechanism is arranged on the base and can reel and pay off the amplitude-variable steel wire rope.
According to the testing device for the cantilever crane of the dynamic compaction machine, provided by the utility model, the supporting component comprises a supporting frame;
the supporting frame is connected with the base;
the first end of the backward tilting prevention device is hinged with the arm support, and the second end of the backward tilting prevention device is hinged with the support frame;
the hoisting mechanism, the lifting hoisting mechanism, the supporting frame and the backward tilting prevention device are all positioned on the first side of the arm support, and the hoisting load is positioned on the second side of the arm support.
According to the testing device for the arm support of the dynamic compactor provided by the utility model, the reversing pulley is arranged on the supporting frame, and the second end of the amplitude-variable steel wire rope bypasses the reversing pulley to be connected with the arm support.
The testing device for the cantilever crane of the dynamic compaction machine further comprises a mounting seat arranged on the base, and the lifting winch mechanism is arranged on the mounting seat.
According to the testing device for the cantilever crane of the dynamic compaction machine, provided by the utility model, the mounting seat comprises a bottom plate and a side plate;
the bottom plate is connected with the base, the number of the side plates is two, the two side plates are oppositely arranged and are connected with the bottom plate, a space for installing the lifting winch mechanism is arranged between the two side plates, and the lifting winch mechanism is respectively connected with the two side plates.
According to the testing device for the arm support of the dynamic compaction machine, provided by the utility model, the two side plates are respectively provided with an arc-shaped structure for avoiding the lifting winch mechanism, and the arc-shaped structures penetrate through the side plates in the thickness direction.
According to the testing device for the cantilever crane of the dynamic compactor, the lifting winch mechanism comprises a steel wire rope connected with the cantilever crane and a lifting part connected with the steel wire rope, the lifting winch mechanism can retract and release the steel wire rope to drive the lifting part to lift, and the lifting load is connected with the lifting part.
According to the testing device for the cantilever crane of the dynamic compaction machine, provided by the utility model, the support frame comprises a first support rod, a second support rod and a connecting rod;
the quantity of first bracing piece with the second bracing piece is two, first bracing piece with the second bracing piece one-to-one just constitutes the bracing piece group, the first end of first bracing piece with the first end of second bracing piece all with the base is connected, the second end of first bracing piece with correspond the second end of second bracing piece is connected, two the bracing piece group passes through the connecting rod is connected.
According to the testing device for the arm support of the dynamic compaction machine, provided by the utility model, the number of the backward tilting prevention devices is two, and the backward tilting prevention devices correspond to the first supporting rods one by one.
According to the dynamic compactor arm support testing device, the hoisting state is changed through the lifting hoisting mechanism, so that different loads are applied to the arm support, and the processes are repeated, so that the mechanical properties of the arm support, such as fatigue strength, can be tested.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dynamic compactor arm support testing device in an embodiment provided by the utility model;
FIG. 2 is a partial schematic view of a dynamic compactor boom testing device in an embodiment provided by the utility model;
fig. 3 is a schematic structural diagram of a hoisting mounting base in an embodiment of the utility model;
FIG. 4 is a schematic structural view of a support stand according to an embodiment of the present invention;
reference numerals:
1. a base; 2. a boom; 3. a wire rope; 4. a lifting winch mechanism; 5. hoisting; 6. a variable amplitude drive mechanism; 7. a variable amplitude steel wire rope; 8. a support frame; 9. a back-tilting prevention device; 10. a diverting pulley; 11. a winch mounting seat; 12. a base plate; 13. a side plate; 14. an arc-shaped structure; 15. a first support bar; 16. a second support bar; 17. a connecting rod; 18. a lifting part; 19. mounting a backpack; 20. and (5) putting a backpack.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
The following describes the dynamic compactor boom testing device in the embodiment provided by the utility model with reference to fig. 1 to 4.
Specifically, the dynamic compaction machine arm support testing device comprises a base 1, a lifting hoisting mechanism 4, a hoisting load 5, a supporting assembly and a connecting assembly.
Wherein, the base 1 is provided with a connecting structure connected with the arm support 2. Optionally, the foundation 1 includes, but is not limited to, a cast concrete foundation, thereby reducing the manufacturing cost of the foundation 1 and providing the foundation 1 with better supporting performance.
The lifting hoisting mechanism 4 is arranged on the base 1. The lifting hoisting mechanism applies different forces to the arm support to be tested by changing the state of the hoisting load. The hoisting state is changed through the hoisting mechanism, so that different loads are applied to the arm support, and the process is repeated, so that the mechanical properties of the arm support, such as fatigue strength, can be tested. The suspended load state includes, but is not limited to, placing on the ground, accelerating to be suspended, lifting at a constant speed or lowering.
Optionally, the hoisting mechanism 4 comprises a steel wire rope 3 connected with the arm support and a hoisting part connected with the steel wire rope 3, and the hoisting mechanism 4 can receive and release the steel wire rope 3 to drive the hoisting part 18 to hoist. The lifting load is connected to the lifting part 18.
For example, one end of the wire rope 3 wound around the outside of the hoisting mechanism 4 passes through the top of the arm frame 2 and is wound between the head pulley block (not shown) and the hoisting part.
Further, the steel wire rope 3 can be connected with the arm support 2 to be tested by using the connection mode of the steel wire rope and the arm support of the dynamic compactor in the prior art.
The supporting component is arranged on the base and is connected with the anti-back-tilting device of the arm support.
The connecting assembly is used for keeping or changing an included angle between the arm support to be tested and the horizontal ground.
The lifting load 5 is connected to the lifting part 18. For example, the payload 5 may be a hammerhead or a weight.
According to the dynamic compactor arm support testing device provided by the embodiment of the utility model, the hoisting mechanism 4 drives the steel wire rope 3 to hoist the hoisting load 5, then the hook is dropped and unloaded, so that the load is applied to the arm support 2, and the process is repeated to test the mechanical properties, such as fatigue strength, of the arm support 2. The lifting winch mechanism 4 can be driven by a motor or an electric motor in a direct or indirect way. For example, the indirect drive may be that the engine or the motor drives the lifting winch 4 to rotate through the hydraulic motor. The direct drive can be that the engine or the motor drives the lifting hoisting mechanism 4 to rotate through a mechanical structure. By installing the necessary structures for testing on the base and lifting the hoisting mechanism 4 and the like, unnecessary parts relative to the whole machine are omitted, the loss of the unnecessary parts is reduced, and the testing cost is reduced.
In some embodiments provided by the present invention, the lifting hoist mechanism 4 may be a hydraulic hoist. The dynamic compaction machine arm support testing device further comprises a hydraulic station, and the lifting winch mechanism 4 can be driven by the hydraulic station, so that the lifting winch mechanism 4 can perform action circulation such as load lifting, load keeping, free hook falling, winch braking and the like. Of course, the lifting winch mechanism 4 can also be a speed reducer integrated winch and can be driven by a hydraulic motor, and the hydraulic station drives the hydraulic motor to rotate so as to drive the speed reducer integrated winch to rotate through the hydraulic motor.
In some embodiments provided by the utility model, the dynamic compactor arm support testing device further comprises a data recorder and a pressure sensor. The pressure sensor is used for testing the lifting force of the steel wire rope 3, and the pressure sensor is electrically connected with the data recorder, so that the data recorder records the value of the pressure sensor. Meanwhile, the data recorder can record the action cycle number.
In some embodiments provided by the present invention, the linkage assembly includes a horn drive mechanism 6.
The arm support 2 is rotatably connected with the connecting structure. For example, the connecting structure may include a hinge base, a connecting hole is formed in the hinge base, and the arm support 2 is rotatably connected with the connecting hole in the hinge base through a pin.
The amplitude variation driving mechanism 6 is arranged on the base 1 and connected with the arm support 2 so as to adjust an included angle between the arm support 2 and a horizontal plane. By the arrangement, the angle of the arm support 2 is adjusted through the amplitude variation driving mechanism 6, so that the mechanical property of the arm support 2 in various angles can be tested.
In some embodiments provided by the utility model, the luffing drive mechanism 6 comprises a hoisting mechanism and a luffing wire rope 7.
The first end of the amplitude-variable steel wire rope 7 is connected with the hoisting mechanism, and the second end of the amplitude-variable steel wire rope bypasses the pulley block and is connected with the arm support 2. For example, the pulley block comprises an upper backpack 19 and a lower backpack 20, and the amplitude wire rope 7 is connected with the arm support 2 after passing back and forth between the upper backpack 19 and the lower backpack 20. Further, the amplitude-variable steel wire rope 7 can be connected with the cantilever crane 2 to be tested by utilizing the connection mode of the amplitude-variable steel wire rope and the cantilever crane in the dynamic compactor in the prior art.
The hoisting mechanism is arranged on the base 1 and can reel and pay off the amplitude-variable steel wire rope 7.
Due to the arrangement, the variable amplitude driving mechanism is simple in structure, the variable amplitude driving mechanism in the same form as that of the dynamic compactor is adopted to drive the cantilever crane 2 to be tested, the stress condition of the cantilever crane 2 in the actual operation process can be completely simulated, and the test result is more accurate.
In some embodiments provided by the present invention, the support assembly comprises a support frame 8.
The supporting frame 8 is connected with the base 1.
The first end of the backward tilting prevention device 9 is hinged with the arm support 2, and the second end is hinged with the support frame 8.
The hoisting mechanism, the lifting hoisting mechanism 4, the support frame 8 and the backward tilting prevention device 9 are all positioned on the first side of the arm support 2, and the hoisting load 5 is positioned on the second side of the arm support 2.
Because the amplitude-variable steel wire rope 7 can only provide pulling force but not pushing force, the anti-back-tilting device 9 and the support frame 8 can prevent the arm support 2 from tilting due to over-tensioning of the amplitude-variable steel wire rope 7 to damage parts such as a hoisting mechanism and the like.
Alternatively, the anti-back-tilting device 9 includes a sleeve and a slide rod slidably disposed within the sleeve. For example, the loop bar is hinged with the supporting frame 8, and the slide bar is hinged with the arm support 2.
Further, the reclining prevention device 9 further includes a buffer spring. The buffer spring is sleeved on the slide rod, the first end of the buffer spring is connected with the slide rod, and the second end of the buffer spring is abutted against the loop bar, so that the buffer spring is compressed when the slide rod slides towards the interior of the loop bar, and the impact of the arm support 2 on the anti-back-tilting device 9 and the support frame 8 can be prevented through the buffer action of the buffer spring.
In some embodiments of the present invention, a reversing pulley 10 is provided on the support frame 8, and the reversing pulley is rotatably connected with the support frame. The second end of the amplitude-variable steel wire rope 7 bypasses the reversing pulley 10 and is connected with the arm support 2. Referring to fig. 1 and 2, by providing the reversing pulley 10, an effect of changing a tension angle of the luffing steel wire rope 7 to the boom 2 can be achieved, so that the hoisting mechanism can pull the boom 2 more easily.
In some embodiments provided by the utility model, the dynamic compactor arm support testing device further comprises a winch mounting seat 11 arranged on the base 1, and the lifting winch mechanism 4 is arranged on the winch mounting seat 11. By replacing different winch mounting seats 11, the dynamic compactor arm support testing device can be adapted to lifting winch mechanisms 4 with different specifications.
Referring to fig. 3, in some embodiments of the present invention, hoist mount 11 includes a bottom plate 12 and side plates 13.
The base plate 12 is connected to the base 1. For example, the base plate 12 may be detachably connected to the base 1 by bolts, screws, or the like. The quantity of curb plate 13 is two, and two curb plates 13 set up relatively and all are connected with bottom plate 12. For example, the side plates 13 may be connected to the bottom plate 12 by welding. A space for installing the lifting winch mechanism 4 is formed between the two side plates 13, and the lifting winch mechanism 4 is respectively connected with the two side plates 13. For example, the hoisting mechanism 4 is provided with a lug, the lug is provided with a through hole, the through hole on the lug is opposite to the through hole on the side plate 13, and a bolt passes through the side plate 13 and the lug and is in threaded fit with a nut, so that the hoisting mechanism 4 is connected to the hoisting mounting base 11.
Further, two curb plates 13 all are equipped with the arc structure 14 that is used for dodging lift hoist mechanism 4, and arc structure 14 runs through the setting along the thickness direction of curb plate 13. With this arrangement, the side plate 13 can be prevented from interfering with the components of the lifting and lowering mechanism 4, so that the lifting and lowering mechanism 4 can be installed.
Referring to fig. 4, in some embodiments provided by the present invention, the support frame 8 includes a first support bar 15, a second support bar 16, and a connecting bar 17.
The number of the first support rods 15 and the second support rods 16 is two, and the first support rods 15 and the second support rods 16 correspond to each other one by one and form a support rod group. The first end of the first support rod 15 and the first end of the second support rod 16 are both connected with the base 1, and the second end of the first support rod 15 is connected with the second end of the corresponding second support rod 16. The two strut groups are connected by a connecting rod 17. So set up, support frame 8's simple structure, the processing production of being convenient for.
For example, the first end of the first supporting rod 15 may be connected to the base 1 through a pin, the first supporting rod 15 and the base 1 are both provided with a connecting hole, and the pin sequentially passes through the connecting holes of the first supporting rod 15 and the base 1 to connect the first supporting rod 15 and the base 1, and similarly, the second supporting rod 16 may also be connected to the base 1 in the same manner. The first support bar 15 and the second support bar 16 may be connected by welding. Likewise, both ends of the connecting rod 17 may be welded to the two first support rods 15 or welded to the two second support rods 16 to connect the two support rod groups.
In some embodiments provided by the present invention, the number of the reclining prevention devices 9 is two, and corresponds to the first support bars 15 one by one. The two backward tilting prevention devices 9 can provide stable supporting effect for the arm support 2, and the arm support 2 is prevented from tilting.
Finally, it should be noted that: 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 (10)
1. The utility model provides a dynamic compactor cantilever crane testing arrangement which characterized in that includes:
the base is provided with a connecting structure for connecting with the arm support;
hoisting;
the lifting hoisting mechanism is arranged on the base and applies different forces to the arm support to be tested by changing the state of the suspended load;
the supporting component is arranged on the base and is connected with the back-tilting prevention device of the arm support;
and the connecting assembly is used for keeping or changing an included angle between the arm support to be tested and the horizontal ground.
2. The dynamic compactor boom testing device according to claim 1, wherein the connecting assembly comprises a variable amplitude driving mechanism, and the boom is rotatably connected with the connecting structure;
the variable amplitude driving mechanism is arranged on the base and connected with the arm support so as to adjust an included angle between the arm support and a horizontal plane.
3. The dynamic compactor boom testing device according to claim 2, wherein the amplitude variation driving mechanism comprises a hoisting mechanism and an amplitude variation steel wire rope;
the first end of the amplitude-variable steel wire rope is connected with the hoisting mechanism, and the second end of the amplitude-variable steel wire rope passes through the pulley block and is connected with the arm support;
the hoisting mechanism is arranged on the base and can reel and pay off the amplitude-variable steel wire rope.
4. The dynamic compactor boom testing device according to claim 3, wherein the support assembly comprises a support frame;
the first end of the backward tilting prevention device is hinged with the arm support, and the second end of the backward tilting prevention device is hinged with the support frame;
the hoisting mechanism, the lifting hoisting mechanism, the support frame and the backward tilting prevention device are all located on the first side of the arm support, and the hoisting load is located on the second side of the arm support.
5. The dynamic compactor arm support testing device according to claim 4, wherein a reversing pulley is arranged on the support frame, and the second end of the luffing wire rope is connected with the arm support by bypassing the reversing pulley.
6. The dynamic compactor boom testing device according to claim 1, further comprising a mounting base arranged on the base, wherein the lifting winch mechanism is arranged on the mounting base.
7. The dynamic compactor boom testing device according to claim 6, wherein the mounting base comprises a bottom plate and a side plate;
the bottom plate is connected with the base, the number of the side plates is two, the two side plates are oppositely arranged and are connected with the bottom plate, a space for installing the lifting winch mechanism is arranged between the two side plates, and the lifting winch mechanism is respectively connected with the two side plates.
8. The dynamic compactor arm support testing device according to claim 7, wherein the two side plates are provided with arc-shaped structures for avoiding the lifting winch mechanism, and the arc-shaped structures penetrate through the side plates in the thickness direction.
9. The dynamic compactor boom testing device according to claim 4, wherein the support frame comprises a first support rod, a second support rod and a connecting rod;
the quantity of first bracing piece with the second bracing piece is two, first bracing piece with the second bracing piece one-to-one just constitutes the bracing piece group, the first end of first bracing piece with the first end of second bracing piece all with the base is connected, the second end of first bracing piece with correspond the second end of second bracing piece is connected, two the bracing piece group passes through the connecting rod is connected.
10. The dynamic compactor boom testing device according to claim 1, wherein the lifting winch mechanism comprises a steel wire rope connected with the boom and a hoisting part connected with the steel wire rope, the lifting winch mechanism can retract and release the steel wire rope to drive the hoisting part to lift, and the hoisting load is connected with the hoisting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220046828.0U CN216869983U (en) | 2022-01-04 | 2022-01-04 | Dynamic compaction machine arm support testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220046828.0U CN216869983U (en) | 2022-01-04 | 2022-01-04 | Dynamic compaction machine arm support testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216869983U true CN216869983U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220046828.0U Active CN216869983U (en) | 2022-01-04 | 2022-01-04 | Dynamic compaction machine arm support testing device |
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| CN (1) | CN216869983U (en) |
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- 2022-01-04 CN CN202220046828.0U patent/CN216869983U/en active Active
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