Sample plate piece cart

Abstract

The utility model discloses a sample plate piece cart, which relates to the technical field of carts, and comprises a frame, a support assembly and a roller assembly, the support assembly comprises a plurality of first support rods, a plurality of second support rods and two adjusting rods arranged on the frame at intervals along the length direction of the frame, the number of the first support rods is more than one, and the number of the second support rods is more than one. The number of the first supporting rods is equal to that of the second supporting rods, the first supporting rods are arranged on one adjusting rod at intervals in the height direction of the frame, and the second supporting rods are arranged on the other adjusting rod at intervals in the height direction of the frame. The first supporting rod and the second supporting rod located at the same height are used for supporting the two ends of the sample plate piece correspondingly. The roller assembly is arranged at the bottom of the frame. By arranging the first supporting rods and the second supporting rods which are arranged in the vertical direction, the sample plate pieces can be stacked in a layered mode, contact between the sample plate pieces is eliminated, and therefore the situation that the sample plate pieces deform due to gravity extrusion is eliminated.

Description

Technical Field

[0001] This utility model relates to the field of trolley technology, and in particular to a prototype trolley. Background Technology

[0002] In the development of new car models in automotive stamping workshops, the debugging of roof molds and the confirmation of sheet metal quality frequently require the use of sample parts for comparison. Currently, the industry commonly uses pallet stacking to store and transport such sample parts. Specifically, operators directly stack multiple sheets on pallets and then transport them to the work area using forklifts.

[0003] However, when multiple layers of sample parts are directly stacked, the contact friction caused by the pressure of gravity between the upper and lower layers of sample parts can easily lead to scratches or structural deformation on the sample parts, which seriously affects the accuracy of quality inspection.

[0004] Therefore, it is necessary to provide a new prototype trolley to solve the above-mentioned technical problems. Utility Model Content

[0005] The main purpose of this utility model is to propose a sample trolley, which aims to improve the technical problem that sample parts are easily damaged during transportation in the prior art.

[0006] To achieve the above objectives, this utility model provides a sample trolley, comprising:

[0007] frame;

[0008] A support assembly includes a first support rod, a second support rod, and two adjusting rods spaced apart along the length of the frame. The number of first support rods and the number of second support rods are equal. The first support rods are spaced apart along the height of the frame on one adjusting rod, and the second support rods are spaced apart along the height of the frame on the other adjusting rod. The first and second support rods at the same height are used to support both ends of the template piece.

[0009] A roller assembly is disposed at the bottom of the frame.

[0010] In one embodiment, the frame includes a top rod and a bottom rod, wherein a first clamping plate and a second clamping plate are respectively provided at both ends of one of the adjusting rods. The first clamping plate slides in contact with the bottom surface of the top rod, and the second clamping plate slides in contact with the top surface of the bottom rod. The support assembly further includes a first locking member, a second locking member, a first fixing plate, and a second fixing plate. The first clamping plate forms a first mounting hole, the second clamping plate forms a second mounting hole, the first fixing plate forms a first fixing hole, and the second fixing plate forms a second fixing hole. The first fixing plate abuts against the top surface of the top rod, and the second fixing plate abuts against the bottom surface of the bottom rod. The first locking member passes through the first fixing hole and is installed in the first mounting hole, and the second locking member passes through the second fixing hole and is installed in the second mounting hole.

[0011] In one embodiment, a third clamping plate and a fourth clamping plate are respectively provided at both ends of another adjusting rod. The third clamping plate slides in contact with the bottom surface of the top rod, and the fourth clamping plate slides in contact with the top surface of the bottom rod. The support assembly further includes a third locking member, a fourth locking member, a third fixing plate, and a fourth fixing plate. The third clamping plate forms a third mounting hole, the fourth clamping plate forms a fourth mounting hole, the third fixing plate forms a third fixing hole, and the fourth fixing plate forms a fourth fixing hole. The third fixing plate abuts against the top surface of the top rod, and the fourth fixing plate abuts against the bottom surface of the bottom rod. The third locking member passes through the third fixing hole and is installed in the third mounting hole, and the fourth locking member passes through the fourth fixing hole and is installed in the fourth mounting hole.

[0012] In one embodiment, the frame includes a top rod and a bottom rod, and both ends of the two adjusting rods are rotatably connected to the top rod and the bottom rod, respectively.

[0013] In one embodiment, the template trolley further includes two rotary motors, and the rotating shafts of the two rotary motors are respectively connected to the two adjusting rods.

[0014] In one embodiment, the template trolley further includes two safety baffles, which are disposed at both ends of the frame along the length of the frame.

[0015] In one embodiment, the template trolley further includes two safety rods, one of which is installed on the first support rod and the other is installed on the second support rod.

[0016] In one embodiment, the template trolley further includes a jack, which is mounted on the bottom surface of the frame and extends to the ground to restrict the movement of the template trolley.

[0017] In one embodiment, the roller assembly includes a mounting base, a traveling wheel rotatably mounted on the mounting base, and a plurality of brake pads. There are multiple mounting bases and multiple traveling wheels. The mounting bases are arranged in a rectangular pattern at the bottom of the frame. The number of traveling wheels is equal to the number of mounting bases, and they are arranged in a one-to-one correspondence. The number of brake pads is equal to the number of traveling wheels. Each brake pad is rotatably mounted on the mounting base and is rotatable to abut against the traveling wheel to prevent rotation. The plurality of brake pads are arranged in a one-to-one correspondence with the plurality of mounting bases.

[0018] In one embodiment, the template trolley includes a label plate mounted on the frame, the label plate being used to display the properties of the templates on each layer of the template trolley.

[0019] In the above scheme, the sample trolley includes a frame, a support assembly, and a roller assembly. The support assembly includes a first support rod, a second support rod, and two adjusting rods spaced apart along the length of the frame. There are multiple first support rods and multiple second support rods, and the number of multiple first support rods and multiple second support rods are equal. The multiple first support rods are spaced apart along the height of the frame on one adjusting rod, and the multiple second support rods are spaced apart along the height of the frame on another adjusting rod. The first and second support rods at the same height are used to support the two ends of the sample piece, respectively. The roller assembly is located at the bottom of the frame. Specifically, a roller assembly for movement is installed at the bottom of the frame. Two adjusting rods are then installed on the frame, and multiple first and second support rods, spaced apart along the height of the frame, are installed on each of the two adjusting rods. The first and second support rods are arranged in a one-to-one correspondence, thus completing the installation. When transporting the sample pieces, the first and second support rods at the same height support both ends of the sample piece, ensuring that each layer of first and second support rods can support one sample piece. This eliminates the need to stack the sample pieces, preventing damage due to gravity. Furthermore, when it is necessary to pass through the sample... When comparing the parts with the ceiling mold and the panels, a template rack is placed on each layer. The operator can select the corresponding template as needed. The operator does not need to remove the templates stacked on top of the templates that are needed, nor does he / she need to re-stack them after taking them. This greatly saves working time and reduces the labor intensity of the operators. This utility model sets up multiple first support rods and second support rods arranged in the vertical direction, which is equivalent to setting up multiple partitions on the frame. In this way, the templates can be stacked in layers, eliminating contact between the templates and thus eliminating the deformation of the templates due to gravity compression. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 A structural schematic diagram of the template trolley provided by this utility model from one perspective;

[0022] Figure 2 for Figure 1 Enlarged view at point A;

[0023] Figure 3Another structural schematic diagram of the template trolley provided by this utility model;

[0024] Figure 4 for Figure 3 Enlarged view at point B;

[0025] Figure 5 This is another structural schematic diagram of the template trolley provided by this utility model.

[0026] Explanation of icon numbers:

[0027] 100. Sample trolley; 1. Frame; 11. Top rod; 12. Bottom rod; 2. Support assembly; 21. First support rod; 22. Second support rod; 23. Adjusting rod; 231. First clamping plate; 231a. First mounting hole; 232a. Second mounting hole; 232. Second clamping plate; 233. Third clamping plate; 233a. Third mounting hole; 234. Fourth clamping plate; 234a. Fourth mounting hole; 24. First lock 25. Fastener; 26. Second locking element; 27. First fixing plate; 28. First fixing hole; 29. ​​Second fixing hole; 20. Third locking element; 21. Fourth locking element; 22. Roller assembly; 33. Mounting base; 44. Traveling wheel; 55. Brake pad; 6. Third fixing plate; 7. Third fixing hole; 8. Safety baffle; 9. Safety rod; 10. Lifting device.

[0028] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0030] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0032] To achieve the above objectives, please refer to Figure 1 , Figure 3 and Figure 5This utility model proposes a template trolley 100, including a frame 1, a support assembly 2, and a roller assembly 3. The support assembly 2 includes a first support rod 21, a second support rod 22, and two adjusting rods 23 spaced apart along the length of the frame 1. There are multiple first support rods 21 and multiple second support rods 22, and the number of multiple first support rods 21 and multiple second support rods 22 are equal. The multiple first support rods 21 are spaced apart along the height of the frame 1 on one adjusting rod 23, and the multiple second support rods 22 are spaced apart along the height of the frame 1 on another adjusting rod 23. The first support rods 21 and the second support rods 22 at the same height are used to support the two ends of the template. The roller assembly 3 is located at the bottom of the frame 1. Specifically, a roller assembly 3 for movement is installed at the bottom of the frame 1. Then, two adjusting rods 23 are installed on the frame 1, and multiple first support rods 21 and second support rods 22, spaced apart along the height direction of the frame 1, are installed on each of the two adjusting rods 23. The first support rods 21 and second support rods 22 are arranged one-to-one, thus completing the installation. When transporting the sample pieces, the first support rods 21 and second support rods 22 at the same height support both ends of the sample piece. This ensures that each layer of first support rods 21 and second support rods 22 can support one sample piece, eliminating the need to stack the sample pieces and preventing damage due to gravity. Furthermore, when it is necessary to adjust and compare the templates with the ceiling mold and the templates, placing a template rack on each layer allows the operator to select the corresponding template as needed. The operator does not need to remove the templates stacked on top of the templates that are needed, nor does the operator need to re-stack and reset them after taking them out. This greatly saves working time and reduces the labor intensity of the operators. In this embodiment, by setting multiple first support rods 21 and second support rods 22 arranged vertically, it is equivalent to setting multiple layers of partitions on the frame 1. In this way, the templates can be stacked in layers, eliminating the contact between the templates and thus eliminating the deformation of the templates due to gravity compression.

[0033] Please see Figure 2 and Figure 4In one embodiment, the frame 1 includes a top rod 11 and a bottom rod 12. A first clamping plate 231 and a second clamping plate 232 are respectively provided at both ends of an adjusting rod 23. The first clamping plate 231 slides in contact with the bottom surface of the top rod 11, and the second clamping plate 232 slides in contact with the top surface of the bottom rod 12. The support assembly 2 also includes a first locking member 24, a second locking member 25, a first fixing plate 26, and a second fixing plate 27. The first clamping plate 231 has a first mounting hole 23. 1a, the second clamping plate 232 has a second mounting hole 232a, the first fixing plate 26 has a first fixing hole 261, the second fixing plate 27 has a second fixing hole 271, the first fixing plate 26 abuts against the top surface of the top rod 11, the second fixing plate 27 abuts against the bottom surface of the bottom rod 12, the first locking member 24 passes through the first fixing hole 261 and is installed in the first mounting hole 231a, and the second locking member 25 passes through the second fixing hole 271 and is installed in the second mounting hole 232a. Since the sample parts are of different lengths, in order to ensure that even the shortest sample part can be placed on the sample part trolley 100, the operator pushes one of the adjusting rods 23 to move it, then places the first fixing plate 26 on the top rod 11, then aligns the first fixing hole 261 on the first fixing plate 26 with the first mounting hole 231a on the first clamping plate 231, and then installs the first locking member 24 through the first fixing hole 261 into the first mounting hole 231a. In this way, the first clamping plate 231 and the first fixing plate 26 cooperate to clamp each other on the top rod 11, and then the second fixing plate 27 is attached to the bottom rod 1. The bottom surface of the second clamping plate 232 is then aligned with the second fixing hole 271 on the second fixing plate 27 and the second mounting hole 232a on the second clamping plate 232. The second locking member 25 is then installed through the second fixing hole 271 and into the second mounting hole 232a. In this way, the second clamping plate 232 and the second fixing plate 27 cooperate to clamp each other on the bottom rod 12, thus fixing the adjusting rod 23. This makes the distance between the first support rod 21 and the second support rod 22 at the same height less than the shortest template piece. In this way, the template trolley 100 can place shorter template pieces, increasing the applicability of the template trolley 100.

[0034] Please see Figure 2 and Figure 4In one embodiment, a third clamping plate 233 and a fourth clamping plate 234 are respectively provided at both ends of another adjusting rod 23. The third clamping plate 233 slides in contact with the bottom surface of the top rod 11, and the fourth clamping plate 234 slides in contact with the top surface of the bottom rod 12. The support assembly 2 also includes a third locking member 28, a fourth locking member 29, a third fixing plate 4, and a fourth fixing plate 5. The third clamping plate 233 forms a third mounting hole 233a, the fourth clamping plate 234 forms a fourth mounting hole 234a, the third fixing plate 4 forms a third fixing hole 41, and the fourth fixing plate 5 forms a fourth fixing hole 51. The third fixing plate 4 abuts against the top surface of the top rod 11, and the fourth fixing plate 5 abuts against the bottom surface of the bottom rod 12. The third locking member 28 passes through the third fixing hole 41 and is installed in the third mounting hole 233a, and the fourth locking member 29 passes through the fourth fixing hole 51 and is installed in the fourth mounting hole 234a. The operator moves another adjusting rod 23, then places the third fixing plate 4 on the top rod 11, aligns the third fixing hole 41 on the third fixing plate 4 with the third mounting hole 233a on the third clamping plate 233, and then installs the third locking member 28 through the third fixing hole 41 into the third mounting hole 233a. Thus, the third clamping plate 233 and the third fixing plate 4 cooperate to clamp onto the top rod 11. Next, the fourth fixing plate 5 is placed against the bottom surface of the bottom rod 12, and the fourth fixing hole 51 on the fourth fixing plate 5 is aligned with the fourth clamping plate 234. The fourth mounting hole 234a is then inserted, and the fourth locking member 29 is inserted through the fourth fixing hole 51 and installed in the fourth mounting hole 234a. In this way, the fourth clamping plate 234 and the fourth fixing plate 5 cooperate to clamp each other on the base rod 12, thus fixing the adjusting rod 23. This makes the distance between the first support rod 21 and the second support rod 22 at the same height less than the shortest template piece. In this way, the template trolley 100 can place shorter template pieces. The simultaneous movement of the two adjusting plates can further increase the length range of template pieces that the template trolley 100 can carry.

[0035] In one embodiment, the frame 1 includes a top rod 11 and a bottom rod 12, with both ends of two adjusting rods 23 rotatably connected to the top rod 11 and the bottom rod 12, respectively. Since the template pieces have different lengths, to allow even the shortest template piece to be placed on the template trolley 100, the adjusting rods 23 are rotated. This causes the end of the first support rod 21 furthest from the adjusting rod 23 to rotate toward the second support rod 22, and the end of the second support rod 22 furthest from the adjusting rod 23 to rotate toward the first support rod 21. This shortens the distance between the first support rod 21 and the second support rod 22, allowing for the placement of both shorter and longer template pieces.

[0036] In one embodiment, the template trolley 100 further includes two rotary motors, each with its rotating shaft connected to two adjusting rods 23. By driving the adjusting rods 23 with the rotary motors, automatic adjustment of the support rod spacing can be achieved, eliminating the need for manual adjustment, saving operation time and improving work efficiency. The rotary motors can be used in conjunction with a control system, such as a PLC or button operation, to achieve precise angle control, thereby accurately adjusting the distance between the first support rod 21 and the second support rod 22 to accommodate templates of different lengths. Operators only need to start the motors to complete the adjustment, avoiding the complex operations of moving, rotating, and fixing required in traditional manual adjustment, greatly reducing labor intensity. The rotary motors can be any motor with a rotatable output shaft, as is common in the prior art.

[0037] Please see Figure 1 and Figure 3 In one embodiment, the sample trolley 100 further includes two safety baffles 6, which are disposed at both ends of the frame 1 along its length. The safety baffles 6, installed at both ends of the frame 1, effectively prevent sample parts placed on the first support rod 21 and the second support rod 22 from sliding or falling due to inertia or bumps during transportation or movement, significantly improving safety during use. The baffles also provide structural reinforcement, increasing the overall rigidity of the frame 1, while preventing sample parts from colliding with the external environment, reducing the risk of damage to equipment and samples.

[0038] Furthermore, the safety baffle 6 is equipped with a handrail, which allows the operator to grab the handrail and push the sample trolley 100 to move, making it easier to move the sample trolley 100.

[0039] Please see Figure 1 and Figure 3 In one embodiment, the sample trolley 100 further includes two safety rods 7, one of which is installed on the first support rod 21, and the other is installed on the second support rod 22. By setting the safety rods 7 and installing them on the first support rod 21 and the second support rod 22, it is equivalent to the safety rods 7 and the adjusting rod 23 being spaced apart along the width direction of the frame 1. This can limit the sliding or falling of the sample parts along the width direction of the frame 1, further improving safety during use.

[0040] Please see Figure 1 and Figure 3In one embodiment, the sample trolley 100 further includes a jack 8, which is mounted on the bottom surface of the frame 1 and extends to the ground to restrict the movement of the sample trolley 100. When the jack 8 extends and abuts against the ground, the roller assembly 3 is lifted off the ground, thus fixing the position of the sample trolley 100 and reducing the risk of personal injury or damage to items that may be caused by the slippage of the sample trolley 100, especially in sloping or vibrating working environments. The jack 8 is a conventional jack 8 in the prior art, used to support the sample trolley 100 and lift the roller assembly 3 off the ground.

[0041] Please see Figure 1 , Figure 3 and Figure 5 In one embodiment, the roller assembly 3 includes a mounting base 31, a traveling wheel 32 rotatably mounted on the mounting base 31, and a plurality of brake pads 33. There are multiple mounting bases 31 and multiple traveling wheels 32. The mounting bases 31 are arranged in a rectangular pattern at the bottom of the frame. The number of traveling wheels 32 is equal to the number of mounting bases 31, and they are arranged in a one-to-one correspondence. The number of brake pads 33 is equal to the number of traveling wheels 32. The brake pads 33 are rotatably mounted on the mounting base 31 and can rotate to abut against the traveling wheels 32 to prevent rotation. Each brake pad 33 corresponds to one of the mounting bases 31. By providing the traveling wheels 32, operators can easily move the panel trolley to the desired position. The rectangular mounting bases 31 correspond one-to-one with the traveling wheels 32, ensuring a uniform distribution of braking force, improving braking reliability, and facilitating maintenance and replacement. Each traveling wheel 32 is equipped with an independent brake pad 33, which locks the traveling wheel 32 by rotating and engaging, allowing for quick fixation of the trolley and preventing it from accidentally sliding on slopes or in vibrating environments.

[0042] In one embodiment, the sample trolley 100 includes a label plate mounted on the frame 1. The label plate displays the attributes of the sample parts on each layer of the sample trolley 100. By clearly labeling the relevant information of each layer of sample parts, such as name, specifications, batch, etc., the required sample parts can be quickly identified and located, greatly improving management and retrieval efficiency. Clear labeling helps maintain the orderly storage of sample parts, avoids confusion or misuse of different types of sample parts, and ensures that each sample part is stored and used correctly.

[0043] The above are merely exemplary embodiments of this utility model and do not limit the scope of protection of this utility model. Any equivalent structural transformations made based on the technical concept of this utility model and the contents of this utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.

Claims

1. A screed cart, characterized in that, include: frame; A support assembly includes a first support rod, a second support rod, and two adjusting rods spaced apart along the length of the frame. The number of first support rods and the number of second support rods are equal. The first support rods are spaced apart along the height of the frame on one adjusting rod, and the second support rods are spaced apart along the height of the frame on the other adjusting rod. The first and second support rods at the same height are used to support both ends of the template piece. A roller assembly is disposed at the bottom of the frame.

2. The screed cart of claim 1, wherein, The frame includes a top rod and a bottom rod. A first clamping plate and a second clamping plate are respectively provided at both ends of one of the adjusting rods. The first clamping plate slides in contact with the bottom surface of the top rod, and the second clamping plate slides in contact with the top surface of the bottom rod. The support assembly also includes a first locking member, a second locking member, a first fixing plate, and a second fixing plate. The first clamping plate has a first mounting hole, and the second clamping plate has a second mounting hole. The first fixing plate has a first fixing hole, and the second fixing plate has a second fixing hole. The first fixing plate abuts against the top surface of the top rod, and the second fixing plate abuts against the bottom surface of the bottom rod. The first locking member passes through the first fixing hole and is installed in the first mounting hole, and the second locking member passes through the second fixing hole and is installed in the second mounting hole.

3. The screed cart of claim 2, wherein, One of the adjusting rods is provided with a third clamping plate and a fourth clamping plate at its two ends. The third clamping plate slides in contact with the bottom surface of the top rod, and the fourth clamping plate slides in contact with the top surface of the bottom rod. The support assembly also includes a third locking member, a fourth locking member, a third fixing plate, and a fourth fixing plate. The third clamping plate has a third mounting hole, the fourth clamping plate has a fourth mounting hole, the third fixing plate has a third fixing hole, and the fourth fixing plate has a fourth fixing hole. The third fixing plate abuts against the top surface of the top rod, and the fourth fixing plate abuts against the bottom surface of the bottom rod. The third locking member passes through the third fixing hole and is installed in the third mounting hole, and the fourth locking member passes through the fourth fixing hole and is installed in the fourth mounting hole.

4. The template trolley as described in claim 1, characterized in that, The frame includes a top rod and a bottom rod, and both ends of the two adjusting rods are rotatably connected to the top rod and the bottom rod, respectively.

5. The screed cart of claim 4, wherein, The template trolley also includes two rotating motors, and the rotating shafts of the two rotating motors are respectively connected to the two adjusting rods.

6. The screed cart of claim 1, wherein, The template trolley also includes two safety baffles, which are disposed at both ends of the frame along the length of the frame.

7. The screed cart of claim 1, wherein, The template trolley also includes two safety rods, one of which is installed on the first support rod and the other is installed on the second support rod.

8. The template cart of any one of claims 1 to 7, wherein, The template trolley also includes a jack, which is installed on the bottom surface of the frame and extends to the ground to restrict the movement of the template trolley.

9. The template cart of any one of claims 1 to 7, wherein, The roller assembly includes a mounting base, a traveling wheel rotatably mounted on the mounting base, and multiple brake pads. There are multiple mounting bases and multiple traveling wheels. The mounting bases are arranged in a rectangular pattern at the bottom of the frame. The number of traveling wheels is equal to the number of mounting bases, and they are arranged in a one-to-one correspondence. The number of brake pads is equal to the number of traveling wheels. Each brake pad is rotatably mounted on the mounting base and can rotate to abut against the traveling wheel to prevent rotation. Each brake pad corresponds to one of the mounting bases.

10. The template cart of any one of claims 1 to 7, wherein, The sample trolley includes a label plate, which is mounted on the frame and is used to display the properties of the sample pieces on each layer of the sample trolley.

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