CN217359016U

CN217359016U - General type assembled drop hammer structure

Info

Publication number: CN217359016U
Application number: CN202220272841.8U
Authority: CN
Inventors: 杨福宇; 龚帅; 亢寒晶; 王新; 马晴; 邓宝; 闫书明
Original assignee: Beijing Hualuan Traffic Technology Co ltd
Current assignee: Beijing Hualuan Traffic Technology Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-09-02
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses an assembled drop hammer structure of general type, including hanging the hammer, accepting groove, braced frame, hanging the hammer and being the solid structure of the wide and narrow cone in bottom cross-section of top cross-section, set up round pin formula connecting piece on the top surface, round pin formula connecting piece passes through the short pin with the pulley and is connected, the bottom surface shape is the platform of cutting, accept the groove and be the hollow structure of the wide and narrow cone in bottom cross-section of top cross-section, hang the hammer embedding and accept the hollow inslot of assembling of groove, braced frame comprises the steel sheet welding, accept the groove surface and pass through stiffening rib and braced frame anchor, accept the tank bottom and set up buffer material, it sets up the connecting plate to accept the groove both sides, hang the hammer, accept the groove, the connecting plate passes communicating connecting hole through the long pin when assembling as an organic whole and realize the anchor, it assembles wholly with braced frame to hang the hammer this moment. The novel drop hammer structure can realize rapid assembly, seamless switching of large and small vehicle application can be realized without replacing different drop hammers, and the test vehicle is more stable in acceleration.

Description

Universal assembled drop hammer structure

Technical Field

The utility model belongs to test vehicle field with higher speed, in particular to assembled drop hammer structure of general type.

Background

The highway guardrail is an important traffic infrastructure for carrying out safety protection on the out-of-control vehicles, a safety evaluation method of the highway guardrail is specified in the safety performance evaluation standard of the highway guardrail (JTG B05-01-2013), and objective and reliable judgment is made on the safety performance of the highway guardrail through a full-scale collision test of a real vehicle.

For a full-scale collision test of a real vehicle, a test vehicle acceleration system is needed, a drop hammer acceleration mode is a common acceleration mode in China, the principle is that the potential energy of a drop hammer is converted into the kinetic energy of the test vehicle for acceleration, the vehicle acceleration system comprises a lifting tower, a drop hammer structure, a test vehicle and the like, the drop hammer structure is matched with equipment such as the lifting tower through a steel wire rope for height lifting to generate the potential energy, the vehicle is comprehensively divided into a small vehicle and a large vehicle, and then reasonable drop hammer structures are needed to be designed for acceleration of different vehicles according to different weights, different acceleration speeds and different acceleration times of the vehicles.

For small vehicles, the vehicle is lighter and the drop hammer does not need to be very heavy, for large vehicles, the vehicle is heavier and the drop hammer needs to be heavier, which also reflects some disadvantages of the drop hammer structure at the present stage, such as the adoption of a larger drop hammer to cater for the acceleration of large vehicles, the over-high tension of the small vehicles can cause the over-high acceleration of the small vehicles, the exceeding of the normal limit and the failure of the small vehicles to achieve the purpose of stable acceleration, for example, the adoption of a smaller drop hammer to cater for the acceleration of small vehicles can cause the over-low tension of the large vehicles, and the failure of the acceleration to the required speed; some test detection units are used for realizing more stable acceleration of the vehicle, various drop weights with different weights are manufactured, and the drop weights are replaced according to different vehicle types in the test process, but the test time is long, and the operation is inconvenient; in addition, some enterprises have also developed counterweight type heavy hammers, different counterweights can be carried out according to different vehicles, but the heavy hammers also show a big problem in the operation process, and the drop hammer structure is arranged in the lifting tower, so that the operation space is small, the equipment operation is difficult, the lifting tower around is extremely easy to damage, the counterweight blocks are heavy, and the manual operation is also extremely difficult. The drop hammer structure constitutes an urgent problem to be solved in the current drop hammer acceleration system.

In summary, in order to meet the requirement of acceleration of different vehicle types in a full-scale collision test of a real vehicle, a drop hammer suitable for both a small vehicle and a large vehicle needs to be developed, so that mutual conversion of different test vehicle types is realized, the operation of the drop hammer structure is more convenient, and a universal assembled drop hammer structure is provided based on the design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a general type assembled drop hammer structure. The problem that the drop hammer structure is not matched with the tested vehicle type in the current full-scale collision test of the real vehicle is solved, the drop hammer structure meets the requirements of all vehicle types, and the full-scale collision test device is simple in structure and convenient to operate.

Will realize through following technical scheme the utility model discloses:

a universal assembled drop hammer structure comprises a hanging hammer, a bearing groove and a support frame, wherein the hanging hammer is of a cone solid structure with a wide top section and a narrow bottom section, a pin type connecting piece is arranged on the top surface and connected with a pulley through a short pin, the bottom surface of the hanging hammer is in a cutting platform shape, the bearing groove is of a cone hollow structure with a wide top section and a narrow bottom section, the hanging hammer is embedded into a hollow assembling groove of the bearing groove, the support frame is formed by welding steel plates, the outer surface of the bearing groove is anchored with the support frame through a reinforcing rib, a buffer material is arranged at the bottom of the bearing groove, the bottom surface of the hanging hammer is in contact with the buffer material, connecting plates are arranged on two sides of the bearing groove, the connecting plates are vertically arranged in the support frame, and the hanging hammer is arranged in the support frame, the bearing groove and the side surface of the connecting plate are provided with communicated connecting holes, when the bearing groove, the connecting plate and the connecting plate are assembled into a whole, the long pin penetrates through the communicated connecting holes to realize anchoring, and at the moment, the hanging hammer and the supporting frame are assembled into a whole.

Further, the hammer casting steel member as an organic whole, round pin formula connecting piece include otic placode and stiffening rib, and two otic placodes weld respectively in the top surface both sides of hammer, and the bolt hole that link up is established to the otic placode, and the pulley includes wheel hub and anchor board, and the anchor board sets up the bolt hole corresponding with the otic placode, and the cotter pin passes the bolt hole realization connection of otic placode and anchor board simultaneously, and the relative otic placode of anchor board can rotate around the cotter pin.

Furthermore, the bearing groove is formed by welding steel plates, the bottom of the bearing groove is sealed, the upper portion of the bearing groove is open, the inner contour cambered surface of the bearing groove is larger than the outer contour cambered surface of the hanging hammer, and a gap is reserved between the splicing groove and the hanging hammer.

Furthermore, a steel wire rope is wound on the hub, the pulley lifts the height through upward pulling force of the steel wire rope, meanwhile, the hanging hammer is lifted along the height direction of the lifting tower to generate potential energy, and the support frame assembled into a whole generates larger potential energy along with the lifting hammer after the height is lifted. The hanging hammer is light in weight, potential energy can be converted into kinetic energy during free falling and then can be used in cooperation with a small vehicle in an accelerating mode, the hanging hammer and the supporting frame are assembled into a whole, then the weight is large, and potential energy can be converted into kinetic energy during free falling and then can be used in cooperation with a large vehicle in an accelerating mode.

Further, the buffer material is rubber or fine sand, and the buffer material deforms to absorb energy after being subjected to downward impact force of the hanging hammer.

Furthermore, the inside balancing weight that still sets up the prefabricated construction of braced frame, the balancing weight increases braced frame's weight, promotes braced frame's potential energy, increases the kinetic energy of conversion.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

(1) the novel drop hammer structure can realize quick assembly, different drop hammers do not need to be replaced, the independent hanging hammer is matched with a small vehicle, and the assembly body is suitable for large vehicles, so that different test vehicles can be accelerated more stably;

(2) the structure is simple, the assembly is rapid, and the seamless switching can be realized by matching with the test conversion between the small-sized vehicle and the large-sized vehicle;

(3) the increase of balancing weight in the braced frame can realize that the test vehicle of bigger motorcycle type, higher speed accelerates.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments are briefly described as follows:

FIG. 1 is a schematic elevation view of a drop hammer and support frame assembly according to an embodiment of the present invention;

FIG. 2 is a schematic plan view of an assembly of a drop hammer and a support frame according to an embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the drop hammer and the pin connector according to the embodiment of the present invention;

FIG. 4 is a schematic view of an elevation of a pulley according to an embodiment of the present invention;

FIG. 5 is a schematic side view of a support frame according to an embodiment of the present invention;

FIG. 6 is a schematic view of an upright mounting surface of a counterweight according to an embodiment of the present invention;

FIG. 7 is a schematic view of the acceleration principle of the embodiment of the present invention, wherein the hanging hammer is matched with a small vehicle;

fig. 8 is an acceleration principle schematic diagram of the embodiment of the present invention, wherein the suspension hammer and the supporting frame assembly are matched with a large vehicle.

The figures are labeled as follows:

1. hanging a hammer; 2. a receiving groove; 3. a support frame; 4. a top surface; 5. a pin-type connector; 6. a pulley; 7. a short pin; 8. a bottom surface; 9. assembling the grooves; 10. reinforcing ribs; 11. a buffer material; 12. a connecting plate; 13. connecting holes; 14. a long pin; 15. an ear plate; 16. a stiffening rib; 17. a pin hole; 18. a hub; 19. an anchoring plate; 20. a wire rope; 21. a counterweight block; 22. a hoisting tower; 23. a small-sized vehicle; 24. a large-sized vehicle.

Detailed Description

The present invention will be described in further detail with reference to examples and specific embodiments. It should not be understood that the scope of the above-described subject matter is limited to the following embodiments, and any technique that can be implemented based on the present invention is intended to fall within the scope of the present invention.

As shown in fig. 1-2, the assembly of the suspension hammer and the supporting frame according to the embodiment of the present invention is schematically illustrated. The steel plate combined type hanging hammer comprises a hanging hammer 1, a bearing groove 2 and a supporting frame 3, wherein the hanging hammer 1 is of a cone solid structure with a wide top section and a narrow bottom section, a pin type connecting piece 5 is connected with a pulley 6 through a short pin 7, the pulley 6 is lifted by upward pulling force of a steel wire rope 20, the bearing groove 2 is of a cone hollow structure with a wide top section and a narrow bottom section, the hanging hammer 1 is embedded into a hollow assembling groove 9 of the bearing groove 2, the supporting frame 3 is formed by welding steel plates, the outer surface of the bearing groove 2 is anchored with the supporting frame 3 through a reinforcing rib 10, a buffer material 11 is arranged at the bottom of the bearing groove 2, a bottom surface 8 of the hanging hammer 1 is in contact with the buffer material 11, connecting plates 12 are arranged at two sides of the bearing groove 2, the connecting plates 12 are vertically arranged in the supporting frame 3, communicated connecting holes 13 are arranged at the side surfaces of the hanging hammer 1, the bearing groove 2 and the connecting plates 12, when the hanging hammer, the connecting plates, the hanging hammer, the connecting plates and the connecting holes 13 are assembled into a whole, and the hanging hammer are anchored by a long pin 14 penetrating through the communicated connecting holes 13, the drop weight 1 and the support frame 3 form an assembly at this time.

As shown in fig. 3, it is a schematic view of the connection between the hanging hammer and the pin-type connecting member according to the embodiment of the present invention. The hammer 1 is cast steel member as an organic whole, the hammer 1 is the solid structure of the wide cone of top cross-section and the narrow bottom cross-section, set up round pin formula connecting piece 5 on the top surface 4, round pin formula connecting piece 5 is connected through short pin 7 with

pulley

6, 8 shapes of bottom surface are the platform of cutting, round pin formula connecting piece 5 includes otic placode 15 and stiffening rib 16, two otic placodes 15 weld respectively in 4 both sides of top surface of hammer 1, otic placode 15 establishes the bolt hole 17 that link up, as shown in fig. 4, pulley 6 includes wheel hub 18 and anchor plate 19, anchor plate 19 sets up the bolt hole 17 corresponding with otic placode 15, short pin 7 passes otic placode 15 and anchor plate 19's bolt hole 17 simultaneously and realizes connecting, anchor plate 19 relative otic placode 15 can rotate around short pin 7, twine wire rope 20 on the wheel hub 18, pulley 6 passes through the ascending tensile lifting height of wire rope 20.

As shown in fig. 5, is a schematic side view of the support frame according to the embodiment of the present invention. The supporting frame 3 is formed by welding steel plates, the outer surface of the bearing groove 2 is anchored with the supporting frame 3 through a reinforcing rib 10, a buffer material 11 is arranged at the bottom of the bearing groove 2, connecting plates 12 are arranged on two sides of the bearing groove 2, the connecting plates 12 are vertically welded in the supporting frame 3, communicated connecting holes 13 are formed in the side faces of the bearing groove 2 and the connecting plates 12, the bearing groove 2 is formed by welding the steel plates, the bottom of the bearing groove is sealed, the upper portion of the bearing groove 2 is opened, the inner contour cambered surface of the bearing groove 2 is larger than the outer contour cambered surface of the drop hammer 1, and a gap is reserved between the assembling groove 9 and the drop hammer 1.

As shown in fig. 6, it is the schematic view of the installation of the counterweight of the present invention. The inside balancing weight 21 that still sets up the prefabricated construction of braced frame 3, balancing weight 21 fill in braced frame 3 inner strengthening rib 10 and connecting plate 12 welded space, and balancing weight 21 can set up a plurality of pieces for increase braced frame 3's weight, promote braced frame 3's potential energy, increase the kinetic energy of experimental vehicle conversion.

As shown in FIG. 7, it is a schematic view of the acceleration principle of the embodiment of the drop hammer in cooperation with a small vehicle. The pulley 6 is lifted by the upward pulling force of the steel wire rope 20, the hanging hammer 1 is lifted along the height direction of the lifting tower 22 to generate potential energy, the weight of the hanging hammer 1 is light, the potential energy is converted into kinetic energy in free falling and then the hanging hammer 1 and the small vehicle 23 can be used in an accelerating mode, and the two ends of the steel wire rope 20 are respectively connected with the hanging hammer 1 and the small vehicle 23.

As shown in fig. 8, it is the embodiment of the present invention that the suspension hammer and the supporting frame assembly cooperate with a schematic view of the acceleration principle of a large vehicle. The pulley 6 is lifted by the upward pulling force of the steel wire rope 20, the hanging hammer 1 is lifted along the height direction of the lifting tower 22 to generate potential energy, the support frame 3 assembled into a whole generates larger potential energy after the height of the hanging hammer 1 is lifted, the hanging hammer 1 and the support frame 3 are assembled into a whole to generate larger weight, the potential energy is converted into kinetic energy during free falling and then can be used in cooperation with a large-sized vehicle 24 for acceleration, and the two ends of the steel wire rope 20 are respectively connected with the hanging hammer 1 and the large-sized vehicle 24.

The buffering material 11 is rubber or fine sand, the hammock 1 is embedded into the hollow assembling groove 9 of the receiving groove 2, the buffering material 11 is arranged at the bottom of the receiving groove 2, the bottom surface 8 of the hammock 1 is in contact with the buffering material 11, and the buffering material 11 deforms to absorb energy after being subjected to the downward impact force of the hammock 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an assembled drop hammer structure of general type, includes hammerhead (1), accepts groove (2), braced frame (3), its characterized in that: the hanging hammer (1) is a cone solid structure with a wide top section and a narrow bottom section, a pin type connecting piece (5) is arranged on a top surface (4), the pin type connecting piece (5) is connected with a pulley (6) through a short pin (7), the bottom surface (8) is shaped as a cutting platform, a bearing groove (2) is a cone hollow structure with a wide top section and a narrow bottom section, the hanging hammer (1) is embedded into a hollow splicing groove (9) of the bearing groove (2), a supporting frame (3) is formed by welding steel plates, the outer surface of the bearing groove (2) is anchored with the supporting frame (3) through a reinforcing rib (10), a buffer material (11) is arranged at the bottom of the bearing groove (2), the bottom surface (8) of the hanging hammer (1) is in contact with the buffer material (11), connecting plates (12) are arranged on two sides of the bearing groove (2), the connecting plates (12) are vertically arranged in the supporting frame (3), and the hanging hammer (1), The side surfaces of the bearing groove (2) and the connecting plate (12) are provided with communicated connecting holes (13), when the bearing groove, the connecting plate and the connecting plate are assembled into a whole, the long pin (14) penetrates through the communicated connecting holes (13) to realize anchoring, and at the moment, the hanging hammer (1) and the supporting frame (3) form an assembly body.

2. A universal modular drop hammer structure as set forth in claim 1, wherein: hammerhead (1) casting steel member as an organic whole, round pin formula connecting piece (5) are including otic placode (15) and stiffening rib (16), two otic placodes (15) weld respectively in the top surface (4) both sides of hammerhead (1), bolt hole (17) that link up are established in otic placode (15), pulley (6) are including wheel hub (18) and anchor board (19), anchor board (19) set up bolt hole (17) corresponding with otic placode (15), bolt hole (17) that otic placode (15) and anchor board (19) were passed simultaneously in short round pin (7) realize connecting, relative otic placode (15) of anchor board (19) can rotate around short round pin (7).

3. A universal modular drop hammer structure as set forth in claim 1, wherein: the bearing groove (2) is formed by welding steel plates, the bottom of the bearing groove is sealed, the upper portion of the bearing groove is opened, the inner contour cambered surface of the bearing groove (2) is larger than the outer contour cambered surface of the hanging hammer (1), and a gap is reserved between the assembling groove (9) and the hanging hammer (1).

4. A universal modular drop hammer structure as set forth in claim 2, wherein: the steel wire rope (20) is wound on the hub (18), the pulley (6) lifts the height through upward pulling force of the steel wire rope (20), meanwhile, the hanging hammer (1) is lifted along the height direction of the lifting tower (22) to generate potential energy, and the supporting frame (3) assembled into a whole generates larger potential energy along with the lifting hammer (1) after the height is lifted.

5. A universal modular drop hammer structure as set forth in claim 1, wherein: the buffer material (11) is made of rubber or fine sand, and the buffer material (11) deforms to absorb energy after being subjected to downward impact force of the hanging hammer (1).

6. A universal assembled drop hammer structure as claimed in claim 1, wherein: the inside balancing weight (21) that still sets up prefabricated construction of braced frame (3), balancing weight (21) increase braced frame (3)'s weight promotes braced frame (3)'s potential energy, increases the kinetic energy of conversion.