CN114017642A - Based on building engineering cost presentation device - Google Patents

Based on building engineering cost presentation device Download PDF

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Publication number
CN114017642A
CN114017642A CN202111417557.1A CN202111417557A CN114017642A CN 114017642 A CN114017642 A CN 114017642A CN 202111417557 A CN202111417557 A CN 202111417557A CN 114017642 A CN114017642 A CN 114017642A
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CN
China
Prior art keywords
auxiliary
box
vehicle body
welded
bulges
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Pending
Application number
CN202111417557.1A
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Chinese (zh)
Inventor
明庭果
郝欣
谢永辉
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Priority to CN202111417557.1A priority Critical patent/CN114017642A/en
Publication of CN114017642A publication Critical patent/CN114017642A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/0028—Construction of wheels; methods of assembling on axle
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6562—Gases with free flow by convection only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention provides a construction cost demonstration device based on building engineering, relates to the technical field of buildings, and solves the problems that storage batteries are often used when the conventional device is used outdoors, but the storage batteries are easy to scald after being used for a period of time, the airflow heat dissipation of the storage batteries cannot be automatically realized in the moving process of a vehicle body through structural improvement, and the temporary positioning of the vehicle body cannot be realized through a driving structure of an airflow heat dissipation structure. A demonstration device based on construction cost comprises a vehicle body; the vehicle body is placed on the ground, an installation frame is installed on the vehicle body, and a demonstration part is installed on the installation frame; the vehicle body is provided with an auxiliary part. Through the arrangement of the bulges A, the vehicle body is provided with four rollers, and the bulges A are welded on each roller in an annular array shape; the bulges A are semi-cylindrical structures, and the bulges A welded in an annular array form a positioning structure of the roller, so that the rotation of the roller can be limited by the bulges A after the vehicle body stops moving.

Description

Based on building engineering cost presentation device
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a demonstration device based on construction engineering cost.
Background
The construction cost directly means the construction price of the project; three elements of project pricing, namely amount, price and fee; in the process of demonstrating the engineering cost, the demonstration is generally realized through a display screen.
As in application No.: the invention discloses a CN201811320236.8, relating to the technical field of buildings, in particular to a portable construction cost teaching demonstration device, which comprises a middle plate, the inner walls of the two sides of the through groove are fixedly connected with second bearings, the inner shaft surfaces of the two second bearings are connected with a rotating shaft, the rotating shaft is fixedly connected with a rotating disc, the rotating disc is hinged with a supporting column, the upper end of the supporting column is fixedly connected with a first sliding block, a first slide rail is fixedly connected at the middle position of the lower end of the top plate, a fixing mechanism is arranged at one end of the rotating shaft, a first bearing is arranged in the middle of the upper end of the top plate, the inner shaft surface of the first bearing is connected with a rotating rod, the upper end of the placing plate is fixedly connected with a demonstration plate, the rotating rod is hinged with a fixed rod, the top plate is fixedly connected with a supporting edge, and the supporting edge is circular, one end of the fixing rod is abutted against the supporting edge, and the lower end of the middle plate is provided with a supporting mechanism. The invention has the advantages of convenient adjustment of the demonstration device and contribution to enhancing the teaching effect.
The construction cost demonstration device similar to the above application has the following defects at present:
one is that, the existing devices are all provided with jacks, but dust easily enters into the jacks when the devices are not used, and the dust prevention of the jacks cannot be realized through structural improvement, and the dust prevention structure cannot realize the elastic locking of the plug; furthermore, the storage battery is often used when the existing device is used outdoors, but the storage battery is easy to scald after being used for a period of time, the airflow heat dissipation of the storage battery cannot be automatically realized in the moving process of the vehicle body through the structural improvement, and the temporary positioning of the vehicle body cannot be realized through the driving structure of the airflow heat dissipation structure.
Disclosure of Invention
In order to solve the technical problems, the invention provides a demonstration device based on construction cost, which aims to solve the problems that in the prior art, jacks are arranged on the prior device, but dust easily enters the jacks when the device is not used, the dust prevention of the jacks cannot be realized through structural improvement, and the dust prevention structure cannot realize the elastic locking of a plug; furthermore, the battery is often all used to current device when using in the open air, but uses a period of time after the battery to send out the boiling hot easily, and can not remove the problem of the interim location of in-process automatic realization battery at the automobile body through structural improvement, and this airflow heat radiation structure's drive structure can not realize the automobile body.
The invention relates to a construction cost demonstration device based on the purpose and the effect, which is achieved by the following specific technical means:
a demonstration device based on construction cost comprises a vehicle body;
the vehicle body is placed on the ground, an installation frame is installed on the vehicle body, and a demonstration part is installed on the installation frame; the vehicle body is provided with an auxiliary part.
Furthermore, four rollers are mounted on the vehicle body, and a bulge A is welded on each roller in an annular array shape; the bulges A are semi-cylindrical structures, and the bulges A welded in an annular array form a positioning structure of the roller.
Further, the demonstration section includes: the display screen is arranged on the mounting frame, and the mounting frame is connected with the sliding seat in a sliding manner; a cleaning block is adhered to the rear end face of the sliding seat and is in elastic contact with the display screen; the jack is arranged on the display screen, an elastic telescopic box is fixedly connected to the display screen through a bolt, and the jack is in a shielding shape when the elastic telescopic box is elastically stretched; a plug is inserted in the jack, and a clamping groove is formed in the plug; the elastic telescopic box is welded with a clamping bulge, the clamping bulge is matched with the clamping groove, and the clamping bulge is connected with the clamping groove in a clamping manner; the placing box is arranged on the mounting frame and is of a rectangular frame-shaped structure; the placing box is welded with the stop rods in a linear array shape, the storage batteries are placed on the stop rods welded in the linear array shape, and the stop rods are of cylindrical rod-shaped structures.
Further, the auxiliary portion includes: the two sliding rods are welded on the vehicle body and are connected with the auxiliary arm in a sliding manner; the elastic pieces are respectively sleeved on the two sliding rods, and the two elastic pieces jointly form an elastic reset structure of the auxiliary arm.
Furthermore, the auxiliary arm is cylindrical bent rod structure, and the auxiliary arm head end and gyro wheel elastic contact to when the gyro wheel rotates the auxiliary arm is the continuous vibration state under protruding A stirs.
Further, the auxiliary portion further includes: the auxiliary box is welded on the auxiliary arm, and the bulges B are welded in the auxiliary box in a linear array shape; columnar articles such as demonstration pens are placed in the auxiliary box, and the linear array-shaped welded bulges B jointly form an anti-rolling structure of the columnar articles such as the demonstration pens.
Furthermore, the auxiliary box is of a rectangular box-shaped structure and is positioned below the placing box; the auxiliary box is internally provided with through holes in a rectangular array shape, and the through holes are aligned with the bulges B.
Furthermore, a groove is formed in the bottom end face of the auxiliary box, the groove is of a rectangular groove-shaped structure, and the groove forms a wind power concentration structure of the through hole.
Compared with the prior art, the invention has the following beneficial effects:
through the arrangement of the bulges A, the vehicle body is provided with four rollers, and the bulges A are welded on each roller in an annular array shape; the bulges A are semi-cylindrical structures, and the bulges A welded in an annular array form a positioning structure of the roller, so that the rotation of the roller can be limited by the bulges A after the vehicle body stops moving.
Through the arrangement of the bulge A and the auxiliary part, firstly, two elastic pieces are arranged, the two elastic pieces are respectively sleeved on the two sliding rods, and the two elastic pieces jointly form an elastic reset structure of the auxiliary arm; the auxiliary arm is of a cylindrical bent rod structure, the head end of the auxiliary arm is in elastic contact with the roller, and the auxiliary arm is in a continuous vibration state under the stirring of the protrusion A when the roller rotates, so that the continuous vibration of the auxiliary arm can be realized through the protrusion A when the roller rotates, and the elastic friction locking of the roller can be realized through the auxiliary arm when the roller stops rotating; secondly, the auxiliary box is of a rectangular box-shaped structure and is positioned below the placing box; through holes are formed in the auxiliary box in a rectangular array shape and are aligned with the protrusions B, so that the gas sprayed from the through holes can realize wind power cooling of the bottom of the storage battery when the auxiliary box moves up and down along with the auxiliary arm; thirdly, as the bottom end face of the auxiliary box is provided with the groove which is in a rectangular groove structure, and the groove forms a wind power concentration structure of the through hole, the wind power concentration effect at the through hole can be improved.
Through the arrangement of the elastic telescopic box, the plug, the clamping protrusion and the clamping groove, firstly, the jack is arranged on the display screen, the elastic telescopic box is fixedly connected to the display screen through the bolt, and the jack is in a shielding shape when the elastic telescopic box is elastically stretched, so that the dustproof effect of the jack can be realized; secondly, a plug is inserted into the jack and provided with a clamping groove; the elastic telescopic box is welded with a clamping protrusion, the clamping protrusion is matched with the clamping groove, and the clamping protrusion is connected with the clamping groove in a clamping mode, so that elastic locking of the plug can be achieved.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is an enlarged schematic view of fig. 1 at a.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is an enlarged view of the structure of fig. 3B according to the present invention.
Fig. 5 is an axial view of the present invention in a disassembled configuration.
Fig. 6 is an enlarged view of the structure of fig. 5C according to the present invention.
Fig. 7 is an enlarged view of fig. 5D according to the present invention.
Fig. 8 is a schematic axial view of the auxiliary case of the present invention.
FIG. 9 is an enlarged axial view of the storage case, the stopper rod and the battery according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a vehicle body; 101. a roller; 102. a protrusion A; 2. a mounting frame; 201. a sliding seat; 202. a cleaning block; 3. a demonstration section; 301. a display screen; 302. a jack; 303. an elastic telescopic box; 304. a plug; 305. clamping the bulges; 306. a card slot; 307. placing the box; 308. a gear lever; 309. a storage battery; 4. an auxiliary part; 401. a slide bar; 402. an auxiliary arm; 403. an elastic member; 404. an auxiliary box; 405. a protrusion B; 406. a through hole; 407. and (4) a groove.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a construction cost demonstration device based on building engineering, which comprises a vehicle body 1; the vehicle body 1 is placed on the ground, an installation frame 2 is installed on the vehicle body 1, and a demonstration part 3 is installed on the installation frame 2; the vehicle body 1 is provided with an auxiliary part 4; the assist portion 4 includes: the number of the sliding rods 401 is two, the two sliding rods 401 are welded on the vehicle body 1, and the two sliding rods 401 are connected with an auxiliary arm 402 in a sliding mode; two elastic pieces 403 are arranged, the two elastic pieces 403 are respectively sleeved on the two sliding rods 401, and the two elastic pieces 403 jointly form an elastic reset structure of the auxiliary arm 402; the auxiliary arm 402 is of a cylindrical bent rod structure, the head end of the auxiliary arm 402 is in elastic contact with the roller 101, and the auxiliary arm 402 is in a continuous vibration state under the poking of the protrusion A102 when the roller 101 rotates, so that the continuous vibration of the auxiliary arm 402 can be realized through the protrusion A102 when the roller 101 rotates, and the elastic friction locking of the roller 101 can be realized through the auxiliary arm 402 when the roller 101 stops rotating; the auxiliary box 404 is welded on the auxiliary arm 402, and the bulges B405 are welded in the auxiliary box 404 in a linear array shape; columnar articles such as demonstration pens and the like are placed in the auxiliary box 404, and the linear array-shaped welded bulges B405 jointly form an anti-rolling structure of the columnar articles such as the demonstration pens and the like; the auxiliary box 404 is a rectangular box-shaped structure, and the auxiliary box 404 is located at a position below the placing box 307; through holes 406 are formed in the auxiliary box 404 in a rectangular array shape, and the through holes 406 are aligned with the protrusions B405, so that when the auxiliary box 404 reciprocates up and down along with the auxiliary arm 402, the gas sprayed from the through holes 406 can realize wind cooling of the bottom of the storage battery 309; the bottom end surface of the auxiliary box 404 is provided with a concave groove 407, the concave groove 407 is a rectangular groove-shaped structure, and the concave groove 407 forms a wind force concentration structure of the through hole 406, so that the wind force concentration effect at the through hole 406 can be improved.
Referring to fig. 1, four rollers 101 are mounted on a vehicle body 1, and a projection a102 is welded on each roller 101 in an annular array; the protrusions a102 are semi-cylindrical structures, and the protrusions a102 welded in a circular array form a positioning structure of the roller 101, so that the rotation of the roller 101 can be limited by the protrusions a102 after the vehicle body 1 stops moving.
Referring to fig. 1 and 2, the demonstration section 3 includes: the display screen 301 is installed on the installation frame 2, and the sliding seat 201 is connected to the installation frame 2 in a sliding mode; the cleaning block 202 is adhered to the rear end face of the sliding seat 201, and the cleaning block 202 is elastically contacted with the display screen 301, so that the display screen 301 can be wiped and cleaned through the cleaning block 202 when the sliding seat 201 slides left and right; the jack 302 is arranged on the display screen 301, the display screen 301 is fixedly connected with an elastic telescopic box 303 through a bolt, and the jack 302 is in a shielding shape when the elastic telescopic box 303 is elastically extended, so that the dustproof effect of the jack 302 can be realized; a plug 304 is inserted into the jack 302, and a card slot 306 is formed on the plug 304; the elastic telescopic box 303 is welded with a clamping protrusion 305, the clamping protrusion 305 is matched with the clamping groove 306, and the clamping protrusion 305 is connected with the clamping groove 306 in a clamping manner, so that the elastic locking of the plug 304 can be realized; the placing box 307, the placing box 307 is installed on the installation frame 2, and the placing box 307 is a rectangular frame-shaped structure; the blocking rods 308 are welded in the placing box 307 in a linear array manner, the storage battery 309 is placed on the blocking rods 308 welded in the linear array manner, and the blocking rods 308 are of cylindrical rod-shaped structures, so that ventilation and heat dissipation at the bottom of the storage battery 309 can be realized.
In another embodiment, the placement box 307 is located 5cm above the auxiliary box 404.
The specific use mode and function of the embodiment are as follows:
when the demonstration device is used, when the vehicle body 1 moves, the vibration of the demonstration part 3 can be realized through the arrangement of the protrusion A102, so that floating ash on the display screen 301 can be shaken off; when the vehicle body 1 stops moving, the rolling limit of the roller 101 can be realized through the bulge A102;
during the movement of the vehicle body 1, firstly, two elastic members 403 are provided, the two elastic members 403 are respectively sleeved on the two sliding rods 401, and the two elastic members 403 jointly form an elastic reset structure of the auxiliary arm 402; the auxiliary arm 402 is of a cylindrical bent rod structure, the head end of the auxiliary arm 402 is in elastic contact with the roller 101, and the auxiliary arm 402 is in a continuous vibration state under the poking of the protrusion A102 when the roller 101 rotates, so that the continuous vibration of the auxiliary arm 402 can be realized through the protrusion A102 when the roller 101 rotates, and the elastic friction locking of the roller 101 can be realized through the auxiliary arm 402 when the roller 101 stops rotating; secondly, since the auxiliary box 404 is a rectangular box-shaped structure, and the auxiliary box 404 is located below the placing box 307; through holes 406 are formed in the auxiliary box 404 in a rectangular array shape, and the through holes 406 are aligned with the protrusions B405, so that when the auxiliary box 404 reciprocates up and down along with the auxiliary arm 402, the gas sprayed from the through holes 406 can realize wind cooling of the bottom of the storage battery 309; thirdly, since the bottom end surface of the auxiliary box 404 is provided with the concave groove 407, the concave groove 407 is a rectangular groove-shaped structure, and the concave groove 407 forms a wind force concentration structure of the through hole 406, the wind force concentration effect at the through hole 406 can be improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a based on building engineering cost presentation device which characterized in that: comprises a vehicle body; the vehicle body is placed on the ground, an installation frame is installed on the vehicle body, and a demonstration part is installed on the installation frame; the trolley body is provided with four rollers, and each roller is welded with a bulge A in an annular array shape; the bulges A are of semi-cylindrical structures, and the bulges A welded in an annular array form a positioning structure of the roller; the vehicle body is provided with an auxiliary part.
2. A construction cost-based demonstration device according to claim 1, wherein: the demonstration section includes:
the display screen is arranged on the mounting frame, and the mounting frame is connected with the sliding seat in a sliding manner; the cleaning block is adhered to the rear end face of the sliding seat and elastically contacts with the display screen.
3. A construction cost-based demonstration device according to claim 1, wherein: the demonstration section further includes:
the jack, the jack setting is on the display screen, and through an elastic expansion box of bolt fixedly connected with on the display screen to the jack is the form of sheltering from when elastic expansion box elastic expansion.
4. A construction cost-based demonstration device according to claim 3, wherein: a plug is inserted in the jack, and a clamping groove is formed in the plug; the elastic telescopic box is welded with a clamping protrusion, the clamping protrusion is matched with the clamping groove, and the clamping protrusion is connected with the clamping groove in a clamping mode.
5. A construction cost-based demonstration device according to claim 1, wherein: the demonstration section further includes:
the placing box is arranged on the mounting frame and is of a rectangular frame-shaped structure; the placing box is welded with the stop rods in a linear array shape, the storage batteries are placed on the stop rods welded in the linear array shape, and the stop rods are of cylindrical rod-shaped structures.
6. A construction cost-based demonstration device according to claim 1, wherein: the auxiliary portion includes:
the two sliding rods are welded on the vehicle body and are connected with the auxiliary arm in a sliding manner;
the elastic pieces are respectively sleeved on the two sliding rods, and the two elastic pieces jointly form an elastic reset structure of the auxiliary arm.
7. The construction cost-based demonstration device according to claim 6, wherein: the auxiliary arm is cylindrical bent rod structure, and auxiliary arm head end and gyro wheel elastic contact to when the gyro wheel rotates, the auxiliary arm is the continuous vibration state under protruding A stirs.
8. A construction cost-based demonstration device according to claim 1, wherein: the auxiliary portion further includes:
the auxiliary box is welded on the auxiliary arm, and the bulges B are welded in the auxiliary box in a linear array shape; columnar articles such as demonstration pens are placed in the auxiliary box, and the linear array-shaped welded bulges B jointly form an anti-rolling structure of the columnar articles such as the demonstration pens.
9. A construction cost-based demonstration device according to claim 8, wherein: the auxiliary box is of a rectangular box-shaped structure and is positioned below the placing box; the auxiliary box is internally provided with through holes in a rectangular array shape, and the through holes are aligned with the bulges B.
10. A construction cost-based demonstration device according to claim 9, wherein: a groove is formed in the bottom end face of the auxiliary box and is of a rectangular groove-shaped structure, and the groove forms a wind power concentration structure of the through hole.
CN202111417557.1A 2021-11-26 2021-11-26 Based on building engineering cost presentation device Pending CN114017642A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111417557.1A CN114017642A (en) 2021-11-26 2021-11-26 Based on building engineering cost presentation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111417557.1A CN114017642A (en) 2021-11-26 2021-11-26 Based on building engineering cost presentation device

Publications (1)

Publication Number Publication Date
CN114017642A true CN114017642A (en) 2022-02-08

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CN202111417557.1A Pending CN114017642A (en) 2021-11-26 2021-11-26 Based on building engineering cost presentation device

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CN (1) CN114017642A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB770602A (en) * 1954-11-20 1957-03-20 Nojima Takeo Vehicle wheel arrangements
CN102982691A (en) * 2012-10-29 2013-03-20 宋小卫 Improved multifunctional wind energy traffic light
CN107819092A (en) * 2017-11-10 2018-03-20 贺碧先 A kind of battery tray
CN108590231A (en) * 2018-04-28 2018-09-28 江苏标龙建设集团有限公司 A kind of construction engineering cost budget practice device
CN212724598U (en) * 2020-09-16 2021-03-16 苏州众显电子科技有限公司 Liquid crystal display with waterproof dustproof construction
CN112767785A (en) * 2021-01-13 2021-05-07 李香珍 Multi-functional teaching device of thing networking of portable magnetism adsorption
CN213512764U (en) * 2020-09-25 2021-06-22 山东雅拓电力技术有限公司 Adjustable demonstration screen for electrified teaching equipment
CN214752315U (en) * 2021-06-01 2021-11-16 武汉东湖学院 Think political affairs and use high efficiency teaching board
CN214729059U (en) * 2021-03-30 2021-11-16 常州市妇幼保健院 Instrument transfer trolley for hospital

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB770602A (en) * 1954-11-20 1957-03-20 Nojima Takeo Vehicle wheel arrangements
CN102982691A (en) * 2012-10-29 2013-03-20 宋小卫 Improved multifunctional wind energy traffic light
CN107819092A (en) * 2017-11-10 2018-03-20 贺碧先 A kind of battery tray
CN108590231A (en) * 2018-04-28 2018-09-28 江苏标龙建设集团有限公司 A kind of construction engineering cost budget practice device
CN212724598U (en) * 2020-09-16 2021-03-16 苏州众显电子科技有限公司 Liquid crystal display with waterproof dustproof construction
CN213512764U (en) * 2020-09-25 2021-06-22 山东雅拓电力技术有限公司 Adjustable demonstration screen for electrified teaching equipment
CN112767785A (en) * 2021-01-13 2021-05-07 李香珍 Multi-functional teaching device of thing networking of portable magnetism adsorption
CN214729059U (en) * 2021-03-30 2021-11-16 常州市妇幼保健院 Instrument transfer trolley for hospital
CN214752315U (en) * 2021-06-01 2021-11-16 武汉东湖学院 Think political affairs and use high efficiency teaching board

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Application publication date: 20220208