CN110108495B - Large-scale high strength protecting against shock movable protection frock - Google Patents
Large-scale high strength protecting against shock movable protection frock Download PDFInfo
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- CN110108495B CN110108495B CN201910336095.7A CN201910336095A CN110108495B CN 110108495 B CN110108495 B CN 110108495B CN 201910336095 A CN201910336095 A CN 201910336095A CN 110108495 B CN110108495 B CN 110108495B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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Abstract
The invention discloses a large-scale high-strength impact-resistant movable protection tool which comprises a track, a protection frame and a baffle bracket, wherein the track is fixed on the ground; the protective frame comprises a plurality of protective single bodies, the protective single bodies are arranged along the longitudinal direction of the track, two adjacent protective single bodies are fixedly connected together, each protective single body comprises a bottom frame, a lower layer platform and an upper layer platform, and a plurality of rollers are arranged at the bottom of the bottom frame; the protective frame is provided with a roller locking device at the position corresponding to each roller; the baffle bracket is fixedly connected with the protective frame, and an inclined baffle inclined relative to the horizontal plane is installed on the baffle bracket and used for bearing impact when the projectile falls back. This protection frock adopts movable structure, and the protection monomer divide into two-layer platform, and buffering effect is good, and the inclined baffle can prevent that the projectile body from falling and cause the damage to the core component on the product car, and its protective capacities is strong, and shock resistance is good.
Description
Technical Field
The invention belongs to the field of tools, and particularly relates to a protection tool.
Background
When large-scale product car develops the launch test, in order to prevent the accident, the projectile body takes place to fall back and smashes product frame, hydro-cylinder and cabin body and core components such as inside electronic equipment and destroy, need take certain measure to protect the product car, the mode of taking at present domestically is mostly to take multilayer scaffold frame or build a fixed civil engineering facility, the shortcoming can't remove at any time, the commonality is poor, experimental preparation cycle is very long, and the scaffold frame is difficult to bear the projectile body and falls down from the eminence strong impact moreover.
Disclosure of Invention
Aiming at the defects or improvement requirements of the prior art, the invention provides a large-scale high-strength impact-resistant movable protection tool, which can bear strong impact of a projectile falling from a high position, comprehensively protect the whole product vehicle, ensure the smooth implementation of a test, and simultaneously have the convenience of installation, personnel operation, maintenance and transportation.
To achieve the above objects, according to one aspect of the present invention, there is provided a large-sized high-strength impact-resistant movable guard tool, characterized by comprising a rail, a guard frame, and a barrier support, wherein,
the rail is fixed on the ground, and the protective frame and the baffle bracket are arranged along the longitudinal direction of the rail;
the protective frame comprises a plurality of protective units which are arranged along the longitudinal direction of the rail, two adjacent protective units are fixedly connected together, and each protective unit comprises a bottom frame, a lower layer platform and an upper layer platform, the bottom of the bottom frame is provided with a plurality of rollers, each roller is placed on the rail, the lower layer platform is fixedly arranged at the top end of the bottom frame, the upper layer platform is positioned above the lower layer platform, a compression spring is vertically arranged between the upper layer platform and the lower layer platform, and the upper end of the compression spring is fixedly arranged on the upper layer platform while the lower end of the compression spring is fixedly arranged on the lower layer platform;
the protective frame is provided with a roller locking device at the position corresponding to each roller;
the baffle bracket is fixedly connected with the protective frame, and an inclined baffle inclined relative to the horizontal plane is installed on the baffle bracket and used for bearing impact when the projectile body falls back.
Preferably, the rail comprises two guide rails, the base frame comprises two vertical frame bodies, each frame body is placed on one guide rail through a roller, each frame body comprises two vertical rods, a cross rod and an X-shaped frame, the two vertical rods are arranged along the longitudinal direction of the guide rails and fixedly connected with the X-shaped frame through the cross rod, and the bottom of each vertical rod is provided with one roller.
Preferably, the inclined baffle is mounted on the baffle bracket with adjustable inclination angle.
Preferably, the upper end or the lower end of the inclined baffle is hinged to the baffle bracket through a hinge shaft horizontally arranged, one side of the inclined baffle, which is close to the baffle bracket, is connected to the baffle bracket through a rod and a limiting bolt, and a plurality of through holes matched with the limiting bolt are formed in the baffle bracket, so that the inclined angle of the inclined baffle can be adjusted conveniently.
Preferably, more than two inclined baffles are arranged.
Preferably, the upper end or the lower end of each inclined baffle is hinged to the baffle bracket through a hinge shaft horizontally arranged, one side, close to the baffle bracket, of each inclined baffle is connected to the baffle bracket through a rod and a limiting bolt, and a plurality of through holes matched with the limiting bolts are formed in the baffle bracket and used for adjusting the inclined angle of each inclined baffle.
Preferably, a high-strength bolt is adopted for connecting two adjacent protective monomers.
Preferably, the baffle bracket and the protective frame are connected by high-strength bolts.
Preferably, the number of compression springs of each of said protective cells is four and they are arranged rectangularly.
Preferably, a rubber block is paved on the top surface of the upper-layer platform of each protective monomer.
In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:
1) this protection frock adopts movable structure, and the track is the removal and the bearing track of whole protection frock, convenient round trip movement protective frame and baffle frame. In order to facilitate installation and transportation, the protection tool adopts a modular assembly type structure, the whole protection frame is formed by fixing a plurality of protection monomers, the protection monomers are divided into two layers of platforms, the upper layer of platform is used for bearing the impact force when the projectile body falls, a compression spring is arranged between the two layers of platforms and used for delaying the impact collision time, and the lower layer of platform is used for secondary protection and rebound impact protection; the baffle support is mainly used for supporting the inclined baffle, prevents the projectile body from falling to damage core components on the product vehicle, and has strong protective capability and good impact resistance.
2) The invention has high strength, convenient assembly and movement and wide applicability, and can solve the problems of poor universality, difficult standard reaching of strength, difficult movement and transportation, overlong preparation period of tests and the like in the prior protective measures.
3) The invention is suitable for protecting various large-scale product vehicles during flight simulation tests, in particular to multi-position and multi-angle simulation flight tests during the development and verification period, can prevent core components such as a product vehicle frame, an oil cylinder, a cabin body and internal electronic equipment from being smashed even if an accident occurs, is also suitable for protecting various high-strength impact occasions, has strong universality and has better popularization prospect.
Drawings
Fig. 1 and fig. 2 are overall schematic views of the protection tool of the present invention at different viewing angles;
FIG. 3 is a schematic view of a protecting monomer according to the present invention;
FIG. 4 is a schematic view of a baffle bracket according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 4, a large-scale high-strength impact-resistant movable protection tool comprises a track 1, a protection frame 2 and a baffle bracket 3, wherein,
the track 1 is fixed on the ground, and the protective frame 2 and the baffle bracket 3 are arranged along the longitudinal direction of the track 1;
the protective frame 2 comprises a plurality of protective single bodies 20 and the protective single bodies 20 are arranged along the longitudinal direction of the rail 1, two adjacent protective single bodies 20 are fixedly connected together, and each protective single body 20 comprises a base frame 21, a lower platform 22 and an upper platform 23, the bottom of the base frame 21 is provided with a plurality of rollers, each roller is placed on the rail 1, the lower platform 22 is fixedly arranged at the top end of the base frame 21, the upper platform 23 is positioned above the lower platform 22, a compression spring 24 is vertically arranged between the lower platform 22 and the upper platform, the upper end of the compression spring 24 is fixedly arranged on the upper platform 23, and the lower end of the compression spring 24 is fixedly arranged on the lower platform 22;
in consideration of the test, the product vehicle can frequently move the position, erect and lower the launching beam, adjust the launching beam angle and the like, so the protection tool adopts a movable structure, the track 1 is the moving and bearing track 1 of the whole protection tool and is used for moving the protection frame 2 and the baffle bracket 3 back and forth;
the protective frame 2 is provided with a roller locking device at the position corresponding to each roller;
the baffle bracket 3 is fixedly connected with the protective frame 2, and an inclined baffle 4 which is inclined relative to the horizontal plane is arranged on the baffle bracket 3 and is used for bearing the impact when the projectile body falls back. The inclined baffle 4 is mainly used for preventing the core components such as the oil cylinder and the like from being damaged by falling of the projectile body in the simulation test. Baffle support 3 mainly used supports inclined baffle 4 to can adjust and fix inclined baffle 4's angle, with the launch test of the different angles of adaptation projectile body, baffle support 3 has certain structural strength, and the appearance structure is close with protection monomer 20.
Further, the track 1 comprises two guide rails, the base frame 21 comprises two vertical frame bodies, each frame body is placed on one guide rail through a roller, each frame body comprises two vertical rods 211, a cross rod 212 and an X-shaped frame 213, the two vertical rods 211 are arranged along the longitudinal direction of the guide rails, the two vertical rods 211 are fixedly connected together through the cross rod 212 and the X-shaped frame 213, and the bottom of each vertical rod 211 is provided with one roller.
Further, the inclined baffle 4 is mounted on the baffle bracket 3 with an adjustable inclination angle. For example, the upper end or the lower end of the inclined baffle 4 can be hinged to the baffle bracket 3 through a hinge shaft horizontally arranged, one side of the inclined baffle 4 close to the baffle bracket 3 is connected to the baffle bracket 3 through a rod and a limiting bolt, and a plurality of through holes matched with the limiting bolt on the baffle bracket 3 are arranged, so that the inclined angle of the inclined baffle 4 can be adjusted; or the inclined baffles 4 with different inclination angles can be directly replaced, and the inclined baffles 4 with different inclination angles are plugged onto the rod piece of the baffle bracket 3 through the sleeve and then fixed through the bolts; alternatively, a rod member may be connected to the back of the inclined baffle 4 by a hinge shaft, and the rod member may be inserted into different holes of the baffle bracket 3.
Further, the inclined baffle 4 is provided with more than two, every the upper end or the lower extreme of inclined baffle 4 articulate at this baffle support 3 through the hinge that the level set up to one side that inclined baffle 4 is close to baffle support 3 is passed through the member and is spacing bolted connection on baffle support 3, and there are a plurality ofly with spacing bolt complex through-hole on the baffle support 3, in order to be used for adjusting the angle that inclined baffle 4 inclines.
Further, adopt high strength bolted connection between two adjacent protection monomers 20, baffle support 3 with protective frame 2 adopts high strength bolted connection.
Further, the number of the compression springs 24 of each of the protection units 20 is four and they are arranged in a rectangular shape to smooth the force.
Further, each rubber block 231 is laid on the top surface of the upper platform 23 of the protection single body 20, so that primary buffering can be realized when the projectile just falls on the protection single body 20, and the projectile can be well protected.
Further, the side of baffle support 3 still is provided with cat ladder 5 and supporting platform 6, and supporting platform 6 is located the top of cat ladder 5, can climb to supporting platform 6 through cat ladder 5.
In order to improve the universality of the protection tool, parameters such as the external dimensions of various types of product vehicles are investigated in multiple ways at the beginning of design, and after data analysis, the protection tool obtains appropriate external dimensions, so that the applicability is improved as much as possible. For easy to assemble and transportation, this protection frock adopts the modularization assembled structure, whole protective frame 2 adopts the high-strength bolt concatenation to fix by a plurality of protection monomer 20 and forms, two-layer platform about protection monomer 20 has, upper platform 23 is used for bearing the weight of when the projectile body falls impact force, installation compression spring 24 between the two-layer platform for delay the impact collision time, lower floor's platform 22 is used for the secondary protection and the bounce-back impact protection of product car, whole protection monomer 20 is for being an installation element.
The following description is made in connection with a flight simulation test of a specific model of product.
This embodiment applies to certain model product flight analogue test, and experimental bullet quality is 2500kg, and projectile body diameter 370mm, product car protective area (the non-state of standing vertically) is: the clearance is 16m multiplied by 4m multiplied by 3.8m (length multiplied by width multiplied by height), the protection tool needs to bear high-strength impact and secondary rebound impact generated by free falling of the projectile body from the ground clearance of 10m, the protection tool can meet the corresponding regional protection requirements when the projectile body is launched at angles of 60 degrees and 80 degrees, the protection tool needs to have enough strength, rigidity and stability, and the requirements under the working conditions of level, hoisting and launching are met.
Through multi-party investigation and research of parameters such as the external dimension of various types of product vehicles, the external dimension determined by the protection tool is as follows: 16m × 4m × 5.9m (length × width × height) and versatility is improved as much as possible. This protection frock adopts movable structure, and 1 length 32 meters of track, the quantity of guided way are 2, adopt chemical expansion bolt and fixed with ground, and movable protective frame and baffle support when being convenient for experimental. Considering the convenience of installation and transportation, this protection frock adopts the modularization assembled structure, and whole protective frame adopts the high-strength bolt concatenation to fix by 5 protection monomers 20 and forms, and every protection monomer 20 is a piecemeal installation unit, and the bottom installation is fixed with 4 gyro wheels, can move on track 1 alone, and gyro wheel department sets up the dead device of gyro wheel lock, protects monomer 20's whole external dimension: 4.6 mx 2.2 mx 5.9m (length × width × height), protection monomer 20 has upper and lower two-layer platform, and upper platform 23 is used for bearing the impact force when the projectile falls, upper headroom size: 4 mx 2 mx 0.8m (length × width × height), and lay a thick 100mm rubber block 231 on upper platform 23 surface, install high strength compression spring 24 between two layers, the compression spring 24 quantity of every protection monomer 20 is 4, be used for delaying impact collision time, lower floor's platform 22 is used for the secondary protection and the rebound impact protection of product car, the elastomer produces the compression and moves downwards after colliding upper platform 23, move to critical position after, at this moment, take over by lower floor's platform 22 and bear the residual impact force, lower floor's platform 22 headroom size: 4m × 2m × 3.8m (length × width × height), as shown in fig. 3. Referring to fig. 4, what pass through high strength bolt with protection monomer 20 is baffle support 3, mainly used supports first oblique baffle (adaptation projectile body 60 launch angle)/second oblique baffle (adaptation projectile body 80 launch angle), and the overall structure is close with protection monomer 20, overall dimension: the minimum clearance is 4m multiplied by 5.9m (length multiplied by width multiplied by height), 6 rollers are fixed on the bottom, the movable unit is installed in a block, and the structure strength is certain, as shown in figure 3. When the first inclined baffle/the second inclined baffle is mainly used for simulation tests, the projectile body is prevented from falling to damage core components such as oil cylinders, and the angle can be adjusted to meet the requirements of launching simulation tests at different angles. The connection between the protection units 20 and the baffle bracket 3 adopts 10.9-level high-strength bolts, the stress form of the structure is friction type, for example, the support connection between the cross rod 212 and the upright rod 211 and the support connection between the X-shaped frame 213 and the upright rod 211 adopt 8.8-level high-strength bolts.
Before trial production of the protective tool, design and check of strength, rigidity, stability and the like can be carried out by adopting 3d3s software of the same institution, and detailed calculation processes and software simulation such as load action value calculation, collision impact force, spring and platform stress, local load action value calculation, surface load action value calculation, wind load action value calculation, projectile body rebound height calculation and the like are carried out, so that the protective tool can bear impact of a projectile body in actual use.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A large-scale high-strength impact-resistant movable protection tool is used for bearing impact and secondary rebound impact generated by free fall of a projectile body from the height of 10m above the ground, and is characterized by comprising a track, a protection frame and a baffle bracket, wherein,
the rail is fixed on the ground, and the protective frame and the baffle bracket are arranged along the longitudinal direction of the rail;
the protection frame comprises a plurality of protection units which are arranged along the longitudinal direction of the rail, two adjacent protection units are fixedly connected together, each protection unit comprises a bottom frame, a lower layer platform and an upper layer platform, the bottom of the bottom frame is provided with a plurality of rollers, each roller is placed on the rail, the lower layer platform is fixedly installed at the top end of the bottom frame, the upper layer platform is positioned above the lower layer platform, a compression spring is vertically arranged between the upper layer platform and the lower layer platform, the upper end of the compression spring is fixedly installed on the upper layer platform, the lower end of the compression spring is fixedly installed on the lower layer platform, a projectile body collides with the upper layer platform and then is compressed and moves downwards, and after the projectile body moves to a critical position, the lower layer platform is used for bearing residual impact force;
the protective frame is provided with a roller locking device at the position corresponding to each roller;
the baffle bracket is fixedly connected with the protective frame, and an inclined baffle inclined relative to the horizontal plane is installed on the baffle bracket and used for bearing impact when the projectile body falls back.
2. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein the rail comprises two guide rails, the base frame comprises two vertical frame bodies, each frame body is placed on one guide rail through a roller, each frame body comprises two vertical rods, a cross rod and an X-shaped frame, the two vertical rods are arranged along the longitudinal direction of the guide rails and fixedly connected together through the cross rod and the X-shaped frame, and the bottom of each vertical rod is provided with one roller.
3. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein the inclined baffle is adjustably mounted on the baffle bracket at an inclined angle.
4. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein the upper end or the lower end of the inclined baffle is hinged to the baffle support through a hinge shaft horizontally arranged, one side of the inclined baffle, which is close to the baffle support, is connected to the baffle support through a rod and a limiting bolt, and a plurality of through holes matched with the limiting bolt are formed in the baffle support, so that the inclined angle of the inclined baffle can be adjusted.
5. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein more than two inclined baffles are arranged.
6. The large-scale high-strength impact-resistant movable protection tool according to claim 5, wherein the upper end or the lower end of each inclined baffle is hinged to the baffle support through a hinge shaft horizontally arranged, one side of each inclined baffle, which is close to the baffle support, is connected to the baffle support through a rod and a limiting bolt, and a plurality of through holes matched with the limiting bolts are formed in the baffle support and used for adjusting the inclination angle of the inclined baffles.
7. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein two adjacent protection units are connected by high-strength bolts.
8. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein the baffle bracket is connected with the protection frame through high-strength bolts.
9. The large high-strength impact-resistant movable protection tool according to claim 1, wherein the number of the compression springs of each protection unit is four and the compression springs are arranged in a rectangular shape.
10. The large-scale high-strength impact-resistant movable protection tool according to claim 1, wherein a rubber block is laid on the top surface of the upper platform of each protection unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910336095.7A CN110108495B (en) | 2019-04-24 | 2019-04-24 | Large-scale high strength protecting against shock movable protection frock |
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| CN201910336095.7A CN110108495B (en) | 2019-04-24 | 2019-04-24 | Large-scale high strength protecting against shock movable protection frock |
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| CN110108495B true CN110108495B (en) | 2021-11-23 |
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| US9556673B2 (en) * | 2013-08-06 | 2017-01-31 | Diverse Holdings, Llc | Safety gate apparatus and method |
| CN207813069U (en) * | 2018-01-22 | 2018-09-04 | 宿迁冠鼎建设有限公司 | A kind of architectural engineering protective stent |
| CN208294138U (en) * | 2018-03-28 | 2018-12-28 | 天津中擎建筑工程有限公司 | A kind of novel protective canopy |
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2019
- 2019-04-24 CN CN201910336095.7A patent/CN110108495B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2665473A1 (en) * | 1990-08-03 | 1992-02-07 | Schutz Charles | Barrier for scaffolding, and modular scaffolding comprising such a barrier |
| CN202164834U (en) * | 2011-06-21 | 2012-03-14 | 中铁建工集团有限公司 | Multifunctional movable overlapped-type protection shed |
| US9556673B2 (en) * | 2013-08-06 | 2017-01-31 | Diverse Holdings, Llc | Safety gate apparatus and method |
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| CN204676899U (en) * | 2015-03-25 | 2015-09-30 | 马鞍山职业技术学院 | Two column is outstanding draws pin-connected panel reinforcing bar protection canopy |
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