CN215790573U - Automatic leveling device and automatic leveling system - Google Patents

Abstract

The utility model discloses an automatic leveling device and an automatic leveling system, wherein the automatic leveling device comprises a support frame, a first moving mechanism, a second moving mechanism and several rolling mechanisms; the first moving mechanism comprises a support frame mounted on the support frame. A first motor, a first reducer and a first roller at one end, the output shaft of the first motor is connected with the input shaft of the first reducer, and the first roller is sleeved on the output shaft of the first reducer; the second movement The structure of the mechanism is the same as that of the first moving mechanism; each rolling mechanism includes a roller, two hangers located under the support frame and oppositely arranged, and a driving device installed on one of the hangers, and the rollers are along the support frame. The length direction is arranged and the two ends of the drum are respectively connected with the two hangers in rotation; the driving device is connected with one end of the drum to drive the drum to rotate. The automatic leveling device disclosed by the utility model can automatically level the vibrated concrete and has the advantages of high efficiency.

Description

Automatic leveling device and automatic leveling system

technical field

The utility model belongs to the technical field of building construction, in particular to an automatic leveling device and an automatic leveling system.

Background technique

Precast concrete components refer to concrete products processed and produced by standardized and mechanized methods in factories, which are widely used in construction, transportation, water conservancy and other fields. Among them, in the production and construction of precast concrete components, not only the concrete needs to be vibrated, but also the vibrated concrete needs to be leveled to ensure the appearance and quality of the product. However, at present, the leveling work of concrete is mainly carried out by manual operation, which has the problem of low work efficiency.

Utility model content

In order to overcome the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide an automatic leveling device and an automatic leveling system, aiming to solve the technical problem of low work efficiency in the prior art that the leveling work of concrete is performed manually. .

In order to achieve its purpose, the technical scheme adopted by the present utility model is as follows:

An automatic leveling device comprising a support frame, a first moving mechanism, a second moving mechanism and several rolling mechanisms;

The first moving mechanism includes a first motor, a first reducer and a first roller mounted on one end of the support frame, and the output shaft of the first motor is connected with the input shaft of the first reducer, the first roller is sleeved on the output shaft of the first reducer;

The second moving mechanism includes a second motor, a second reducer and a second roller mounted on the other end of the support frame, and the output shaft of the second motor is connected with the input shaft of the second reducer , the second roller is sleeved on the output shaft of the second reducer;

Each of the rolling mechanisms includes a roller, two hangers located under the support frame and arranged opposite to each other, and a drive device installed on one of the hangers, and the roller is along the length direction of the support frame The two ends of the drum are arranged and connected in rotation with the two hangers respectively; the driving device is connected with one end of the drum to drive the drum to rotate.

Further, the driving device includes a driving motor and a transmission mechanism, one end of the transmission mechanism is connected with the output shaft of the driving motor, and the other end is connected with one end of the drum; wherein, the transmission mechanism is a belt Any one of transmission mechanism, chain transmission mechanism and reducer.

Further, the transmission mechanism is a belt transmission mechanism, and each of the hangers includes a connecting frame, a connecting base fixed on the bottom of the connecting frame, a connecting plate fixed on one side of the connecting base, and a connecting base with the connecting base. A fixedly connected bearing body, both ends of the drum are provided with connecting shafts; wherein,

The drive motor is mounted on the connecting plate, the driving pulley in the belt drive mechanism is sleeved on the output shaft of the drive motor, and the driven pulley in the belt drive mechanism is sleeved on one of the on the connecting shaft;

Each of the bearing bodies includes a connecting rod portion and a bearing portion disposed at the lower end of the connecting rod portion, the connecting rod portion is fixed on the connecting seat, and one of the bearing portions is sleeved on one of the connecting shafts On the other hand, the other bearing part is sleeved on the other connecting shaft.

Further, the automatic leveling device further includes a lifting mechanism installed on the support frame, and the lifting mechanism is respectively connected with the two hangers to lift the two hangers; The lifting mechanism is any one of an oil cylinder, an air cylinder, an electric push rod, an electro-hydraulic push rod, and a lead screw lifter.

Further, the support frame includes a cross beam, a first support and a second support, the top of the first support is connected with one end of the cross beam, and the first moving mechanism is installed on the bottom of the first support the top of the second bracket is connected with the other end of the beam, and the second moving mechanism is mounted on the bottom of the second bracket.

Further, the automatic leveling device further includes a first spacing adjustment device, and the first spacing adjustment device includes a first screw rod, a first guide rail fixed on the bottom of one end of the beam, and a first guide rail fixed on the top of the first bracket. A slider, one end of the first screw rod is connected with a first driving member, the other end of the first screw rod penetrates the first slider and is screwed with the first slider, and the first screw rod A slider is slidably matched with the first guide rail.

Further, the automatic leveling device also includes a second spacing adjustment device, and the second spacing adjustment device includes a second screw rod, a second guide rail fixed on the bottom of the other end of the beam, and a second guide rail fixed on the top of the second bracket. A second slider, one end of the second screw rod is connected with a second driving member, the other end of the second screw rod penetrates the second slider and is threadedly matched with the second slider, and the second slider is The second sliding block is slidably matched with the second guide rail.

Further, the first driving member is a motor or a handwheel, and/or the second driving member is a motor or a handwheel.

Further, the automatic leveling device further includes a first track and a second track arranged in parallel and spaced apart, wherein the first roller cooperates with the first track to move along the first track, and the second track A roller cooperates with the second track to move along the second track.

Correspondingly, the present invention also proposes an automatic leveling system, which includes a control cabinet, a remote control terminal and the aforementioned automatic leveling device, wherein the control cabinet is installed on the support frame and is connected with the first The motor, the second motor and each of the driving devices are electrically connected, and the remote control terminal is connected in communication with the control cabinet.

Compared with the prior art, the beneficial effects of the present utility model are:

In the automatic leveling device proposed by the utility model, a rolling mechanism is arranged below the support frame to level the vibrated concrete, and a first moving mechanism and a second moving mechanism are arranged at both ends of the support frame to The support frame is driven to move back and forth. In this way, in the vibrating construction of the precast concrete components, each rolling mechanism can move the concrete leveling work. Compared with the traditional method of manually leveling the vibrated concrete, Effectively improve the leveling efficiency and leveling quality of concrete.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained based on the structures shown in these drawings without any creative effort.

1 is a schematic diagram of the overall structure of an automatic leveling device in an embodiment of the present invention;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the enlarged schematic diagram of A place in Fig. 1;

Fig. 4 is the enlarged schematic diagram at B in Fig. 2;

Fig. 5 is the enlarged schematic diagram of C place in Fig. 2;

6 is a schematic view of the assembly between the first moving mechanism and the first bracket in an embodiment of the present invention;

7 is a partial schematic view of one end of a beam in an embodiment of the present invention;

8 is a schematic diagram of the connection between the rolling mechanism and the lifting mechanism in an embodiment of the present invention;

9 is a schematic diagram of the assembly between the drive device and the hanger in an embodiment of the present invention;

FIG. 10 is a schematic exploded view of the structure of FIG. 9 .

Description of reference numbers:

1-support frame, 11-beam, 12-first support, 13-second support;

2- the first moving mechanism, 21- the first motor, 22- the first reducer, 23- the first roller;

3-Second moving mechanism, 31-Second motor, 32-Second reducer, 33-Second roller;

4- Rolling mechanism, 41- Roller, 42- Hanger, 421- Connecting frame, 422- Connecting seat, 423- Connecting plate, 424- Bearing body, 4241- Connecting rod, 4242- Bearing, 43- Driving device , 431-drive motor, 432-belt transmission mechanism;

5- Lifting mechanism;

61-first guide rail, 62-first sliding block, 63-first driving member, 64-second sliding block, 65-second driving member;

71 - first track, 72 - second track.

The realization, functional characteristics and advantages of the purpose of the present utility model will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1 , 2 , 4 , 5 and 8 , an embodiment of the present invention provides an automatic leveling device. The automatic leveling device includes a support frame 1 , a first moving mechanism 2 , a second moving mechanism 3 and several a rolling mechanism 4;

The first moving mechanism 2 includes a first motor 21 , a first reducer 22 and a first roller 23 mounted on one end of the support frame 1 . The output shaft of the first motor 21 is connected to the first reducer. 22 is connected to the input shaft, and the first roller 23 is sleeved on the output shaft of the first reducer 22;

The second moving mechanism 3 includes a second motor 31 , a second reducer 32 and a second roller 33 mounted on the other end of the support frame 1 . The output shaft of the second motor 31 is connected to the second reducer. The input shaft of the machine 32 is connected, and the second roller 33 is sleeved on the output shaft of the second reducer 32;

Each of the rolling mechanisms 4 includes a drum 41 , two hangers 42 located under the support frame 1 and arranged opposite to each other, and a driving device 43 installed on one of the hangers 42 . The support frame 1 is arranged in the length direction, and the two ends of the drum 41 are respectively connected to the two hangers 42 in rotation; the driving device 43 is connected to one end of the drum 41 to drive the drum 41 make a turn.

In this embodiment, the number and positional layout of the rolling mechanisms 4 can be flexibly determined according to actual construction requirements, as long as the vibrated concrete can be covered, which is not specifically limited in this embodiment. , the rolling mechanism 4 is provided with two. For the convenience of understanding and description, the present embodiment uses a prefabricated box girder as a prefabricated concrete workpiece as an example to illustrate the working principle of the automatic leveling device, as follows:

First, complete the relevant preparatory work at the construction site, for example, install and debug related equipment, determine the number and installation position of the rolling mechanism 4 in combination with the deck width of the prefabricated box girder, determine the rolling mechanism 4 in combination with the pouring thickness of the concrete installation height, etc.;

After the vibrating of the concrete is completed, the leveling of the vibrated concrete is started: specifically, the drum 41 is driven to rotate by the driving device 43, and the rotating drum 41 is in contact with the concrete and smoothes the concrete, and at the same time passes the first A motor 21 and the first reducer 22 drive the first roller 23 to roll, and the second motor 31 and the second reducer 32 drive the second roller 33 to roll, so that the support frame 1 and each rolling mechanism 4 move together as a whole, thereby Each rolling mechanism 4 can move the leveling work of the concrete, and realize the automatic leveling of the concrete.

It can be seen that the automatic leveling device proposed in this embodiment uses the rolling mechanism 4 under the support frame 1 to level the vibrated concrete, and at the same time, the first moving mechanism is provided at both ends of the support frame 1 2 and the second moving mechanism 3 are used to drive the support frame 1 to move back and forth. In this way, in the vibrating construction of the precast concrete components, each rolling mechanism 4 can move the leveling work of the concrete, which is different from the traditional method of manually vibrating the concrete. Compared with the way of leveling the rammed concrete, the leveling efficiency and leveling quality of the concrete are effectively improved.

Further, referring to FIGS. 8 and 9 , in an exemplary embodiment, the driving device 43 includes a driving motor 431 and a transmission mechanism, one end of the transmission mechanism is connected with the output shaft of the driving motor 431 , and the other end is connected with the output shaft of the drum 41 . One end is connected; wherein, the transmission mechanism is any one of the belt transmission mechanism 432, the chain transmission mechanism, and the reducer, as long as the drum 41 can be driven to perform concrete leveling work, which is not specifically limited in this embodiment.

In this embodiment, based on the above-mentioned structural design, under the driving of the driving motor 431, the drum 41 can rotate and level the contacting concrete.

Further, referring to FIG. 1 and FIGS. 8 to 10 , in an exemplary embodiment, the transmission mechanism is a belt transmission mechanism 432 , and each hanger 42 includes a connecting frame 421 and a connecting seat 422 fixed to the bottom of the connecting frame 421 . , the connecting plate 423 fixed on one side of the connecting seat 422 and the bearing body 424 fixedly connected with the connecting seat 422, both ends of the roller 41 are provided with connecting shafts (not shown in the figure); wherein, the driving motor 431 is installed in the connecting plate 423, the driving pulley in the belt transmission mechanism 432 is sleeved on the output shaft of the driving motor 431, and the driven pulley in the belt transmission mechanism 432 is sleeved on one of the connecting shafts; each bearing body 424 includes a connecting rod portion 4241 and a bearing portion 4242 arranged at the lower end of the connecting rod portion 4241, the connecting rod portion 4241 is fixed on the connecting seat 422, one of the bearing portions 4242 is sleeved on one of the connecting shafts, and the other bearing portion 4242 is sleeved on the other connection on the axis.

In this embodiment, based on the above-mentioned structural design, not only can the drum 41 be driven to rotate, but also the installation convenience of the rolling mechanism 4 is improved.

Further, referring to FIG. 1 , FIG. 3 and FIG. 8 , in an exemplary embodiment, the automatic leveling device further includes a lifting mechanism 5 installed on the support frame 1 , and the lifting mechanism 5 is respectively connected with the two hangers 42 , to lift the two hangers 42; wherein, the lifting mechanism 5 is any one of the oil cylinder, the cylinder, the electric push rod, the electro-hydraulic push rod, and the screw lift, as long as it can drive the two hangers 42 together with the driving device 43 and the roller 41 can be lifted and lowered together, which is not specifically limited in this embodiment. In the illustration, the lifting mechanism 5 includes two air cylinders installed on the beam 11, and the two air cylinders and the two hangers 42 are one by one. Correspondingly arranged, and the telescopic end of the cylinder is connected with the top of the hanger 42 .

In this embodiment, based on the above-mentioned structural design, the height of the drum 41 can be easily adjusted by setting the lifting mechanism 5 to lift and lower the two hangers 42 to adapt to different construction conditions.

Further, referring to FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , in an exemplary embodiment, the support frame 1 includes a beam 11 , a first frame 12 and a second frame 13 , and the top of the first frame 12 is connected to the beam One end of the 11 is connected, and the first moving mechanism 2 is installed on the bottom of the first bracket 12; the top of the second bracket 13 is connected with the other end of the beam 11, and the second moving mechanism 3 is installed on the second bracket 13. on the bottom.

In this embodiment, based on the above-mentioned structural design, by designing the support frame 1 as a split type, it is beneficial to take into account the stability of the support and the convenience of use at the same time. Wherein, optionally, the above-mentioned beam 11 is a truss structure.

Further, referring to FIGS. 2 , 4 , 6 and 7 , in an exemplary embodiment, the automatic leveling device further includes a first spacing adjustment device, and the first spacing adjustment device includes a first screw rod (not shown in the figures). shown), the first guide rail 61 fixed on the bottom of one end of the beam 11 and the first slider 62 fixed on the top of the first bracket 12, one end of the first screw rod is connected with a first driving member 63, The other end penetrates the first sliding block 62 and is threadedly engaged with the first sliding block 62 , and the first sliding block 62 is slidably engaged with the first guide rail 61 (specifically, the bottom of the first guide rail 61 has an opening corresponding to the first sliding block 62 . mating chute). Wherein, optionally, the first driving member 63 is a motor or a handwheel, and illustratively, the first driving member 63 is a handwheel.

In this embodiment, based on the above structural design, the first lead screw is driven to rotate by the first driving member 63, so that the first slider 62 threadedly matched with the first lead screw can move laterally along the first guide rail 61, and then The first bracket 12 can be laterally left and right (that is, the length direction of the beam 11 ), so that the distance between the first bracket 12 and the second bracket 13 can be flexibly adjusted as required, so that the entire support frame 1 can better adapt to different widths It improves the flexibility and adaptability of the automatic leveling device.

Further, referring to FIG. 2 and FIG. 5 , in an exemplary embodiment, the automatic leveling device further includes a second spacing adjusting device, and the second spacing adjusting device includes a second screw rod (not shown in the drawings), fixed on the The second guide rail (not shown in the figure) at the bottom of the other end of the beam 11 and the second sliding block 64 fixed on the top of the second bracket 13, one end of the second screw rod is connected with a second driving member 65, and the second screw rod The other end of the second sliding block 64 penetrates through the second sliding block 64 and is threadedly engaged with the second sliding block 64 , and the second sliding block 64 is slidably engaged with the second guide rail. Wherein, optionally, the second driving member 65 is a motor or a handwheel, and illustratively, the second driving member 65 is a handwheel.

In this embodiment, based on the above-mentioned structural design, the second lead screw is driven to rotate by the second driving member 65, so that the second slider 64 threadedly engaged with the second lead screw can move laterally along the first guide rail 61, and then The first bracket 12 can be laterally left and right (that is, the length direction of the beam 11 ), so that the distance between the first bracket 12 and the second bracket 13 can be flexibly adjusted as required, so that the entire support frame 1 can better adapt to different widths It further improves the flexibility and adaptability of the automatic leveling device. It should be noted here that, since the structural design of the second distance adjusting device is the same as that of the above-mentioned first distance adjusting device, the content of the related drawings can be referred to FIG. 6 and FIG. 7 .

Further, referring to FIGS. 1 , 2 , 4 and 5 , in an exemplary embodiment, the automatic leveling device further includes a first track 71 and a second track 72 arranged in parallel and spaced apart, wherein the first roller 23 The second roller 33 cooperates with the first track 71 to move along the first track 71 , and the second roller 33 cooperates with the second track 72 to move along the second track 72 . Specifically, the first rail 71 is arranged at the bottom of the first bracket 12 , the second rail 72 is arranged at the bottom of the second bracket 13 , two first rollers 23 and two second rollers 33 are provided, and two first rollers 23 It is arranged at the bottom of the first bracket 12 and is in contact with the first rail 71 , one of the first rollers 23 is sleeved on the output shaft of the first reducer 22 , and two second rollers 33 are arranged at the bottom of the second bracket 13 . It is in contact with the second rail 72 and one of the second rollers 33 is sleeved on the output shaft of the second reducer 32 .

In the present embodiment, based on the above-mentioned structural design, when the corresponding drive motor 431 drives the corresponding roller to roll through the corresponding reducer, the entire support frame 1 can smoothly move forward and backward along the two tracks. The addition of two rails is beneficial to improve the stability of the translation of the support frame 1 , which in turn is beneficial to improve the stability of the leveling construction.

Correspondingly, with reference to FIGS. 1 to 10 , an embodiment of the present invention also provides an automatic leveling system, which includes a control cabinet (not shown in the figure), a remote control terminal (not shown in the figure), and any of the above In the automatic leveling device in the embodiment, the control cabinet is installed on the support frame 1 and is electrically connected with the first motor 21, the second motor 31 and each driving device 43, and the remote control terminal is connected in communication with the control cabinet.

In this embodiment, the above-mentioned remote control terminal may be an intelligent terminal such as a remote control, a tablet computer, a smart phone, etc., and the connection between the remote control terminal and the control cabinet may be realized by existing communication methods such as WIFI, Bluetooth, and cellular network. In this embodiment, based on the above-mentioned structural design, not only the same technical effect as the above-mentioned automatic leveling device can be obtained, but also the construction personnel can send corresponding control instructions to the control cabinet through the remote control terminal, so that the control cabinet can The control instructions control the corresponding electrical equipment to work (for example, control the opening or closing of the first motor 21, the second motor 31, the driving motor 431, the lifting of the lifting mechanism 5, etc.), thereby realizing the remote control of the automatic leveling device , which is conducive to improving the safety and convenience of construction.

It should be noted that, for other contents of the automatic leveling device and the automatic leveling system disclosed in the present invention, reference may be made to the prior art, which will not be repeated here.

In addition, it should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention, the directional indications are only used to explain a certain posture (As shown in the attached drawings), when the relative positional relationship, movement situation, etc. between the lower components, if the specific posture changes, the directional indication also changes accordingly.

In addition, it should be noted that the descriptions involving "first", "second", etc. in the present invention are only for the purpose of description, and should not be interpreted as indicating or implying their relative importance or implicitly indicating the indicated technology number of features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

The above descriptions are only optional embodiments of the present utility model, and are not intended to limit the scope of the present utility model's patent. Any equivalent structure transformation made by using the contents of the present utility model description and accompanying drawings under the concept of the present utility model, or Direct/indirect applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims (10)

1. An automatic leveling device is characterized by comprising a support frame, a first moving mechanism, a second moving mechanism and a plurality of rolling mechanisms;

the first moving mechanism comprises a first motor, a first speed reducer and a first roller, the first motor, the first speed reducer and the first roller are mounted at one end of the support frame, an output shaft of the first motor is connected with an input shaft of the first speed reducer, and the first roller is sleeved on the output shaft of the first speed reducer;

the second moving mechanism comprises a second motor, a second speed reducer and a second roller wheel, the second motor, the second speed reducer and the second roller wheel are arranged at the other end of the supporting frame, an output shaft of the second motor is connected with an input shaft of the second speed reducer, and the second roller wheel is sleeved on the output shaft of the second speed reducer;

each rolling mechanism comprises a roller, two hanging brackets which are positioned below the supporting frame and are oppositely arranged, and a driving device which is arranged on one of the hanging brackets, wherein the roller is arranged along the length direction of the supporting frame, and two ends of the roller are respectively in rotary connection with the two hanging brackets; the driving device is connected with one end of the roller to drive the roller to rotate.

2. The automatic leveling device according to claim 1, wherein the driving device comprises a driving motor and a transmission mechanism, one end of the transmission mechanism is connected with an output shaft of the driving motor, and the other end of the transmission mechanism is connected with one end of the roller; wherein, drive mechanism is any one of belt drive mechanism, chain drive mechanism, speed reducer.

3. The automatic leveling device according to claim 2, wherein the transmission mechanism is a belt transmission mechanism, each hanger comprises a connecting frame, a connecting seat fixed at the bottom of the connecting frame, a connecting plate fixed at one side of the connecting seat and a bearing body fixedly connected with the connecting seat, and connecting shafts are arranged at two ends of the roller; wherein,

the driving motor is arranged on the connecting plate, a driving wheel in the belt transmission mechanism is sleeved on an output shaft of the driving motor, and a driven wheel in the belt transmission mechanism is sleeved on one of the connecting shafts;

each bearing body comprises a connecting rod part and a bearing part arranged at the lower end of the connecting rod part, the connecting rod part is fixed on the connecting seat, one of the bearing parts is sleeved on one of the connecting shafts, and the other bearing part is sleeved on the other connecting shaft.

4. The automatic leveling device according to claim 1, further comprising a lifting mechanism mounted on the support frame, the lifting mechanism being connected to the two hangers respectively for lifting the two hangers; wherein, elevating system is any one in hydro-cylinder, electric putter, electric liquid push rod, lead screw lift.

5. The automatic leveling device according to claim 1, wherein the support frame comprises a cross beam, a first bracket and a second bracket, a top of the first bracket is connected with one end of the cross beam, and the first moving mechanism is mounted on a bottom of the first bracket; the top of the second support is connected with the other end of the cross beam, and the second moving mechanism is installed on the bottom of the second support.

6. The automatic leveling device according to claim 5, further comprising a first spacing adjustment device, wherein the first spacing adjustment device comprises a first lead screw, a first guide rail fixed at the bottom of one end of the cross beam, and a first slider fixed at the top of the first bracket, one end of the first lead screw is connected with a first driving member, the other end of the first lead screw penetrates through the first slider and is in threaded engagement with the first slider, and the first slider is in sliding engagement with the first guide rail.

7. The auto-leveling device of claim 6, further comprising a second distance adjustment device, wherein the second distance adjustment device comprises a second lead screw, a second guide rail fixed at the bottom of the other end of the cross beam, and a second slider fixed at the top of the second bracket, one end of the second lead screw is connected with a second driving member, the other end of the second lead screw penetrates through the second slider and is in threaded engagement with the second slider, and the second slider is in sliding engagement with the second guide rail.

8. The automated grading device according to claim 7, wherein the first drive member is a motor or a handwheel and/or wherein the second drive member is a motor or a handwheel.

9. The automated grading apparatus according to any one of claims 1 to 8, further comprising a first rail and a second rail spaced apart in parallel, wherein the first roller cooperates with the first rail to move along the first rail and the second roller cooperates with the second rail to move along the second rail.

10. An automatic grading system comprising a control cabinet, a remote control terminal, and the automatic grading apparatus of any of claims 1-9, wherein the control cabinet is mounted on the support frame and electrically connected to the first motor, the second motor, and each of the drive devices, and the remote control terminal is in communication with the control cabinet.

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