CN116039804A - A transport trolley under strong impact load and its use method - Google Patents

Abstract

The present invention relates to a trolley subjected to strong impact loads and its use method, which comprises a trolley main body, a plurality of traveling drivers and a plurality of lifting wheel sets; a plurality of lifting wheel sets are installed on the trolley main body, a plurality of The walking driver is connected to a plurality of the lifting wheel sets one by one correspondingly, so as to drive the lifting wheel set to drive the main body of the trolley to move; the lifting wheel set can drive the main body of the trolley to rise or fall, and can make the main body of the trolley move The trolley main body descends to touch the ground. The beneficial effect is that the transport trolley can not only realize the transportation and positioning of the force bearing device, but also can complete the strong impact load test.

Description

A transport trolley under strong impact load and its use method

technical field

The invention relates to the technical field of impact test devices, in particular to a transport trolley subjected to strong impact loads and a method for using the same.

Background technique

At present, during the strong impact load test, the force-bearing device needs to be transported to the designated location, and after the test is completed, the force-bearing device needs to be transported to the initial position for storage. transmit shock loads. The RGV (Rail Guided Vehicle) trolley commonly used at this stage only meets the basic transportation and positioning requirements, and it is impossible to complete the strong impact load test on the RGV trolley.

Therefore, there is an urgent need for a transport trolley capable of both realizing transport positioning and completing a strong impact load test and a method of use thereof under strong impact loads.

Contents of the invention

(1) Technical problems to be solved

In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a transport trolley subjected to strong impact loads and its use method, which solves the technical problem that the prior art cannot realize the transportation positioning and complete the strong impact load test at the same time.

(2) Technical solution

In order to achieve the above object, the main technical solutions adopted in the present invention include:

In one aspect, the present invention provides a transport trolley subject to strong impact loads, including a trolley main body, a plurality of traveling drivers and a plurality of lifting wheel sets. A plurality of the lifting wheel sets are installed on the main body of the trolley, and a plurality of the traveling drivers are connected to the plurality of lifting wheel sets in a one-to-one corresponding transmission, so as to drive the lifting wheel sets to drive the main body of the trolley to move. The lifting wheel set can drive the main body of the trolley to rise or fall, and the set of lifting wheels can lower the main body of the trolley to touch the ground.

Optionally, the lifting wheel set includes mounting parts, traveling wheels and telescopic drivers. The mounting part is fixedly mounted on the trolley body, the telescopic driver is mounted on the mounting part, the traveling wheel is rotatably mounted on the mounting part, and the telescopic driver is connected to the traveling wheel to drive The road wheels rotate in a vertical plane. The traveling driver is connected to the rotating shaft of the traveling wheels through transmission.

Optionally, the trolley body is provided with a plurality of linear slots with a T-shaped cross section. The linear grooves include first linear grooves extending in the front-rear direction and second linear grooves extending in the left-right direction, and the first linear grooves and the second linear grooves are arranged alternately in a grid. A plurality of T-shaped nuts are arranged in the first linear groove and the second linear groove, and the T-shaped nuts can slide along the first linear groove and the second linear groove.

Optionally, the trolley body includes a support, and a first installation frame and a second installation frame provided at the front end and the rear end of the support. The lifting wheel set is installed at the front end or the rear end of the support, and a plurality of the lifting wheel sets are evenly distributed in the first mounting frame and the second mounting frame.

Optionally, the support is an integral steel structure.

Optionally, protective covers are provided on the first mounting frame and the second mounting frame.

Optionally, the transport trolley also includes an electric control cabinet and a wire reel, the electric control cabinet is installed on the main body of the trolley, the electric wire reel is rotatably installed on the main body of the trolley, and its rotation axis is oriented transversely , the power cord of the electric control cabinet is wound on the wire drum. The electric control cabinet is respectively connected with the traveling driver and the lifting wheel set.

Optionally, the electric control cabinet is provided with a signal receiver, which can send signal instructions to the signal receiver through wireless remote control.

Optionally, the front end and the rear end of the main body of the trolley are respectively provided with laser radars, the detection end of the laser radar located at the front end of the main body of the trolley faces forward, and the detection end of the laser radar located at the rear end of the main body of the trolley towards the rear. The laser radar is connected to the electric control cabinet.

On the other hand, the present invention provides a method for using the above-mentioned transport trolley subjected to strong impact loads, comprising the steps of:

S1. Fix the force receiving device at a designated position on the main body of the trolley, and drive the lifting wheel set through the traveling driver to drive the main body of the trolley to move from the initial position to the target position.

S2. Lowering the main body of the trolley to touch the ground through the set of lifting wheels, so that the main body of the trolley changes from a movable state to a stressed state.

S3. After the strong impact load test is carried out on the stressed device, the main body of the trolley is raised and reset by the lifting wheel set, so that the main body of the trolley changes from a stressed state to a movable state.

S4. Driving the lifting wheel set through the traveling driver to drive the main body of the trolley to move from the target position to the initial position.

(3) Beneficial effects

The beneficial effects of the present invention are:

The present invention provides a transport trolley subject to strong impact loads. The force bearing device used for the strong impact load test can be fixedly installed on the main body of the trolley, and a plurality of lifting wheels installed on the main body of the trolley are respectively driven by a plurality of walking drivers. The main body of the trolley realizes the movement. The main body of the trolley is driven up and down by the lifting wheel set, and the main body of the trolley can be lowered to the ground by the lifting wheel set, so that the main body of the trolley can be positioned, and the main body of the trolley can transmit the impact load received by the force-bearing device to the ground. This completes the strong impact load test. Compared with the prior art, the transport trolley can not only realize the transportation and positioning of the force-bearing device, but also can complete the strong impact load test.

Description of drawings

Fig. 1 is the overall schematic diagram of the strong impact load transport trolley in Embodiment 1 of the present invention;

Fig. 2 is a structural schematic diagram of a first angle of a transport trolley subjected to a strong impact load in Embodiment 1 of the present invention;

Fig. 3 is the structural schematic view of the second angle of the transport trolley subjected to strong impact load in Embodiment 1 of the present invention;

Fig. 4 is the structural schematic view of the third angle of the transport trolley subjected to strong impact load in Embodiment 1 of the present invention;

Fig. 5 is a schematic structural view of the lifting wheel set in Embodiment 1 of the present invention;

Fig. 6 is a partial front view of the support in Embodiment 1 of the present invention;

Fig. 7 is a schematic diagram of the first angle structure of the support in Embodiment 1 of the present invention;

Fig. 8 is a schematic structural view of the second angle of the support in Embodiment 1 of the present invention.

[Description of Reference Signs]

1: trolley body; 11: support; 12: first mounting frame; 13: second mounting frame; 14: protective cover; 15: first linear groove; 16: second linear groove;

2: Walking drive;

3: Lifting wheel set; 31: Mounting parts; 32: Traveling wheels; 33: Telescopic drive; 34: Hydraulic pump station;

4: Electric control cabinet;

5: Wire reel.

Detailed ways

In order to better understand the above technical solutions, the following will describe exemplary embodiments of the present invention in more detail with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be more clearly and thoroughly understood, and the scope of the present invention can be fully conveyed to those skilled in the art. Wherein, the orientation nouns of "front", "rear", "left" and "right" described herein refer to the orientation in FIG. 2 .

Example 1:

As shown in Figures 1 and 2, this embodiment provides a transport trolley subject to strong impact loads, including a trolley main body 1, multiple travel drives 2 and multiple lifting wheel sets 3, and multiple lifting wheel sets 3 are installed on the trolley main body 1. A plurality of travel drivers 2 are in one-to-one transmission connection with a plurality of lifting wheel sets 3, so as to drive the lifting wheel sets 3 to drive the trolley main body 1 to move. The lift wheel set 3 can drive the trolley main body 1 to rise or fall, and the lift wheel set 3 can lower the trolley main body 1 to the ground.

Specifically, the force bearing device used for the strong impact load test can be fixedly installed on the trolley main body 1, and a plurality of lifting wheels 3 installed on the trolley main body 1 are respectively driven by a plurality of travel drivers 2 to drive the trolley main body 1 to move. The trolley is raised and lowered by the lifting wheel set 3, and the lifting wheel set 3 can lower the trolley main body 1 to the ground, so that the trolley main body 1 can be positioned, and the trolley main body 1 can transmit the impact load received by the force-bearing device to the ground, thus completing the strong impact load test. Compared with the prior art, the transport trolley can not only realize the transportation and positioning of the force-bearing device, but also can complete the strong impact load test.

Further, as shown in FIGS. 1-4 , the trolley main body 1 includes a support 11 , and a first installation frame 12 and a second installation frame 13 arranged at the front end and the rear end of the support 11 . Lifting wheel group 3 is installed on the front end or rear end of support 11, and a plurality of lifting wheel groups 3 is evenly distributed in the first mounting frame 12 and the second mounting frame 13, and is connected with a plurality of lifting wheel groups 3 in one-to-one correspondence transmission. The travel drive 2 is also evenly distributed in the first mounting frame 12 and the second mounting frame 13 . The lifting wheel set 3 can drive the support 11 to rise or fall, and can lower the support 11 to touch the ground. In this embodiment, the support 11 is an integral steel structure, which is used to place and fix the force-bearing device, and can transmit the impact load of the force-bearing device to the ground. The first mounting frame 12 and the second mounting frame 13 are then used to protect the lifting wheel group 3 and the travel drive 2, and a protective cover 14 is all provided on the first mounting frame 12 and the second mounting frame 13, further improving the protection of the two. sex. In this embodiment, there are four traveling drive 2 and lifting wheel sets 3, two lifting wheel sets 3 are installed on the front end of the support 11, and are located in the first mounting frame 12, and the two lifting wheel sets 3 are installed on the support 11. The rear end is located in the second installation frame 13 to ensure the driving performance of the transport trolley and the reliability of the transport trolley during travel.

Further, as shown in FIG. 5 , the lifting wheel set 3 includes a mounting part 31 , traveling wheels 32 and a telescopic driver 33 . The mounting part 31 is fixedly mounted on the trolley main body 1, the telescopic driver 33 is mounted on the mounting part 31, the traveling wheel 32 is rotatably mounted on the mounting part 31, and its axis of rotation is oriented laterally, and the telescopic driver 33 is connected to the traveling wheel 32 to drive the traveling wheel 32 rotate in a vertical plane. Walking driver 2 transmission is connected the rotating shaft of walking wheel 32. Specifically, in this embodiment, the installation part 31 of the lifting wheel set 3 located in the first mounting frame 12 is fixedly installed on the front end of the support 11 through angle steel and fasteners, and the lifting wheels located in the second mounting frame 13 The mounting parts 31 of group 3 are fixedly mounted on the rear end of the support 11 through angle steel and fasteners. The first end of road wheel 32 is rotatably installed on the mounting part 31, the first end of telescoping driver 33 is rotatably mounted on the mounting part 31, and the first end of road wheel 32 is installed on the mounting part 31 The height is lower than the first end of the telescopic driver 33 at the installation place on the mount 31, the second end of the road wheel 32 is hinged with the second end of the telescopic driver 33, thus, the road wheel 32 is driven by the telescopic driver 33 in the vertical Rotate in the plane, and then realize the rise and fall of the support 11.

Further, as shown in FIGS. 6-8 , a plurality of straight grooves with a T-shaped cross section (vertical direction) are provided on the trolley main body 1 . The linear grooves include first linear grooves 15 extending in the front-rear direction and second linear grooves 16 extending in the left-right direction, and a plurality of first linear grooves 15 and a plurality of second linear grooves 16 are arranged alternately in a grid. Specifically, the first linear groove 15 and the second linear groove 16 are opened on the top of the support 11, and a plurality of T-shaped nuts are arranged in the first linear groove 15 and the second linear groove 16, and the T-shaped nuts can be The first linear groove 15 and the second linear groove 16 slide, and according to the fixed position of the force-bearing device on the support 11 and the area of the force-bearing device occupied by the support 11, a plurality of T-shaped nuts can slide to the fixed position. position, and the shape formed by a plurality of T-shaped nuts matches the force-bearing device, the cross-sectional shape of the T-shaped nut matches the cross-sectional shape of the linear groove, and the edge of the force-bearing device is provided with a matching T-shaped nut. The threaded through hole is used to place the force receiving device at a designated position on the support 11, and the bolt passing through the threaded through hole can cooperate with the T-shaped nut to realize the fixing of the force receiving device.

Further, as shown in FIG. 3 and FIG. 4 , the transport trolley provided in this embodiment also includes an electric control cabinet 4 and a wire reel 5 . The electric control cabinet 4 is installed on the trolley main body 1, and the electric wire reel 5 is rotatably installed on the trolley main body 1, and its rotation axis is oriented transversely, and the power cord of the electric control cabinet 4 is wound on the electric wire drum. The electric control cabinet 4 is connected with the travel driver 2 and the lifting wheel group 3 respectively. Wherein, the wire reel 5 is an electric drive device, and the wire reel 5 is electrically connected to the electric control cabinet 4 . Specifically, in this embodiment, the electric control cabinet 4 is fixedly installed on the second installation frame 13, and the electric wire reel 5 is rotatably installed on the second installation frame 13, and the electric control cabinet 4 and the electric wire reel 5 are arranged on the support Seat 11 rear ends, to avoid the power line of electric control cabinet 4 from affecting dolly main body 1 to advance, also be convenient to the power line of electric wire reel 5 retractable electric control cabinet 4. The telescopic driver 33 of the lifting wheel group 3 is a telescopic hydraulic cylinder, and the hydraulic pump station 34 for driving the telescopic hydraulic cylinder is fixedly installed on the first installation frame 12, and the hydraulic pump station 34 is located at the front end of the support 11, so that the support 11 can A certain force balance is achieved at the front and rear ends, so as to avoid affecting the movement of the trolley main body 1 . The electric control cabinet 4 is used as the control center of the transport trolley, which is respectively connected to the hydraulic pump station 34 of the travel driver 2 and the telescopic hydraulic cylinder, and the electric control cabinet 4 is provided with a signal receiver, which can send signal instructions to the signal receiver through wireless remote control, In this way, the remote control of the transport trolley is realized.

Further, the front end and the rear end of the car main body 1 are respectively provided with a laser radar (not shown), the detection end of the laser radar located at the front end of the car main body 1 faces forward, and the detection end of the laser radar positioned at the rear end of the car main body 1 faces rearward. The laser radar is connected to the electric control cabinet 4. Specifically, the two laser radars are installed on the first mounting frame 12 and the second mounting frame 13 respectively, the detection end of the laser radar located at the first mounting frame 12 faces forward, and the detection end of the laser radar located at the second mounting frame 13 Towards the rear, when the car body 1 moves forward or backward, the laser radar can detect obstacles in the direction of the car body 1 in real time, and send the processed information to the electric control cabinet 4, and the electric control cabinet 4 controls the walking driver 2 to avoid obstacles in real time. barriers to protect the safety of personnel.

Example 2:

This embodiment provides a method for using the heavy impact load transport trolley described in Embodiment 1, including steps:

S1. Fix the force receiving device on the specified position on the trolley main body 1, and drive the lifting wheel set 3 through the travel driver 2 to drive the trolley main body 1 to move from the initial position to the target position. Specifically, the force-bearing device is placed on the specified position on the support 11, a plurality of T-nuts are slid to the specified position, and the shape of the city is matched with the force-bearing device, and the force-bearing device is fixed by bolts and T-nuts. Fixed, and then through the wireless remote control through the electric control cabinet 4 to control the travel driver 2 to drive the travel wheel 32 to drive the trolley main body 1 to move forward from the initial position (the position connected to the power supply) to the target position. During the movement of the trolley main body 1, the electric control Cabinet 4 controls electric wire reel 5 to rotate and releases power cord.

S2. The trolley main body 1 is lowered to touch the ground through the lifting wheel set 3, so that the trolley main body 1 changes from a movable state to a stressed state. Specifically, the retractable hydraulic cylinder is controlled by wireless remote control through the electric control cabinet 4 to drive the traveling wheel 32 to rotate in the vertical plane, so that the support 11 is lowered to touch the ground, so that the main body of the trolley 1 changes from a movable state to a force-bearing state. state.

S3. After the strong impact load test on the force-bearing device is completed, the trolley main body 1 is raised and reset by the lifting wheel set 3, so that the trolley main body 1 is changed from a stressed state to a movable state. Specifically, after the strong impact load test on the force-bearing device is completed, the extension of the telescopic hydraulic cylinder is controlled through the electric control cabinet 4 through wireless remote control, and the driving wheel 32 is driven to rotate in the vertical plane, so that the support 11 is raised and reset, and the trolley The main body 1 changes from a stressed state to a movable state.

S4. Drive the lifting wheel set 3 through the travel driver 2 to drive the trolley main body 1 to move from the target position to the initial position. Specifically, through wireless remote control, the electric control cabinet 4 controls the travel driver 2 to drive the travel wheel 32 to drive the trolley main body 1 to move from the target position to the initial position. During the movement of the trolley main body 1, the electric control cabinet 4 controls the electric wire reel 5 to rotate and recover. power cable.

In the description of the present invention, it should be understood that the terms "first" and "second" are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary; it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature is "on" or "under" the second feature, which may be that the first and second features are in direct contact, or the first and second features pass through an intermediary indirect contact. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the level of the first feature is higher than that of the second feature . "Below", "below" and "under" the first feature may mean that the first feature is directly below or obliquely below the second feature, or it just means that the first feature is lower in level than the second feature.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" refers to the A particular feature, structure, material, or characteristic is described as included in at least one embodiment or example of the invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, those skilled in the art can make the above-mentioned The embodiments are subject to alterations, modifications, substitutions and variations.

Claims (10)

1. A transport trolley subject to strong impact loads, characterized in that, It includes a trolley main body (1), multiple traveling drivers (2) and multiple lifting wheel sets (3); A plurality of the lifting wheel sets (3) are installed on the trolley body (1), and a plurality of the traveling drivers (2) are connected with a plurality of the lifting wheel sets (3) in one-to-one corresponding transmission to drive the Lifting wheel group (3) drives described trolley main body (1) to move; The lifting wheel set (3) can drive the trolley main body (1) to rise or fall, and the lifting wheel set (3) can lower the trolley main body (1) to touch the ground. 2. The strong impact load transport trolley as claimed in claim 1, characterized in that, The lifting wheel set (3) includes a mounting part (31), a traveling wheel (32) and a telescopic driver (33); The mounting part (31) is fixedly installed on the trolley main body (1), the telescopic driver (33) is mounted on the mounting part (31), and the traveling wheel (32) is rotatably mounted on the mounting part (31). part (31), the telescopic driver (33) is connected to the walking wheel (32) to drive the walking wheel (32) to rotate in a vertical plane; The traveling driver (2) is transmission-connected to the rotating shaft of the traveling wheel (32). 3. The strong impact load transport trolley as claimed in claim 1, characterized in that, The trolley body (1) includes a support (11), and a first mounting frame (12) and a second mounting frame (13) arranged at the front end and the rear end of the support (11); The lifting wheel set (3) is installed on the front end or the rear end of the support (11), and a plurality of the lifting wheel sets (3) are evenly distributed on the first mounting frame (12) and the second mounting frame (12). Inside the mounting bracket (13). 4. The strong impact load transport trolley as claimed in claim 3, characterized in that, The support (11) is an integral steel structure. 5. The strong impact load transport trolley as claimed in claim 3, characterized in that, Both the first mounting frame (12) and the second mounting frame (13) are provided with protective covers (14). 6. The strong impact load transport trolley according to claim 1, characterized in that: The trolley main body (1) is provided with a plurality of straight grooves with a T-shaped cross section; The linear grooves include first linear grooves (15) extending in the front-rear direction and second linear grooves (16) extending in the left-right direction, a plurality of the first linear grooves (15) and a plurality of the first linear grooves The two linear grooves (16) are interlaced with each other in a grid; A plurality of T-shaped nuts are arranged in the first linear groove (15) and the second linear groove (16), and the T-shaped nuts can move along the first linear groove (15) and the second linear groove (16). Two linear grooves (16) slide. 7. The strong impact load transport trolley according to claim 1, characterized in that, It also includes an electric control cabinet (4) and a wire reel (5); The electric control cabinet (4) is installed on the trolley main body (1), the electric wire reel (5) is rotatably installed on the trolley main body (1), and its rotation axis is oriented transversely. The power cord of the cabinet (4) is wound on the wire drum; The electric control cabinet (4) is respectively connected with the traveling driver (2) and the lifting wheel set (3). 8. The strong impact load transport trolley as claimed in claim 7, characterized in that, The electric control cabinet (4) is provided with a signal receiver, which can send signal instructions to the signal receiver through wireless remote control. 9. The strong impact load transport trolley according to claim 7, characterized in that, The front end and the rear end of the trolley main body (1) are respectively provided with laser radars, the detection end of the laser radar located at the front end of the trolley main body (1) faces forward, and the detection end of the laser radar located at the rear end of the trolley main body (1) The detection end of the lidar faces the rear; The laser radar is connected to the electric control cabinet (4). 10. A method of using the strong impact load transport trolley according to any one of claims 1-9, characterized in that it comprises the steps of: S1. Fix the force receiving device on the specified position on the trolley main body (1), drive the lifting wheel set (3) through the travel driver (2) to drive the trolley main body (1) to move from the initial position to the target location; S2. Lowering the trolley main body (1) to the ground through the lifting wheel set (3), so that the trolley main body (1) changes from a movable state to a stressed state; S3. After the strong impact load test on the force-bearing device is completed, the trolley main body (1) is lifted and reset through the lifting wheel set (3), so that the trolley main body (1) is changed from a stressed state to a Movable state; S4. Driving the lifting wheel set (3) through the walking driver (2) to drive the trolley body (1) to move from the target position to the initial position.

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