Large-scale weighing apparatus equipment testing device

Abstract

The utility model, which relates to the technical field of the automobile weighing apparatus, discloses a large-scale weighing apparatus equipment testing apparatus comprising a base plate, a plurality of supporting columns, a top plate, a weighing apparatus main body, a vehicle limiting device and an adjustable slope device, and each supporting column is fixedly connected to the top of the base plate. The top plate is arranged at the top of each supporting column; the weighing apparatus body is installed on the top of the overhead plate. The vehicle limiting device is arranged at the top of the weighing apparatus main body and can limit a vehicle entering the weighing apparatus main body; the top end of the adjustable slope device is rotatably connected with one end of the overhead plate, and the adjustable slope device can adjust the slope angle to adapt to vehicles with different heights to enter the weighing apparatus main body, thereby effectively preventing random movement of the vehicles, and effectively improving the safety in the testing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a truck scale technical field, in particular to a large -scale weighing apparatus equipment testing arrangement. BACKGROUND

[0002] The weighing apparatus testing device is a testing device that can effectively detect the self weight of an object, and usually comprises a testing table.

[0003] At present, in the prior art, CN202121841774 an electronic weighing apparatus testing device, including test table, the front and back two sides of test table are fixedly provided with installation platform, and the upper of test table is placed with pressing plate, the upper of installation platform is fixedly provided with mounting hole, and the inside of mounting hole is penetrated with pivot, the left side of pressing plate is installed with fixed frame, the bottom of pivot is connected with motor, the upper of pivot is sleeved with sliding sleeve outside, the upper of fixed frame is installed with positioning wheel inside, and the surface of positioning wheel is provided with pull rope. The electronic weighing apparatus testing device is provided with a test table, and the electronic weighing apparatus to be tested is placed on the test table, so that the device can remain horizontal during the test process. The setting of the movable inclined plate can slide the tested electronic weighing apparatus out of the test table by tilting, reducing manual operation and labor intensity. The rotating relationship between the movable shaft and the movable inclined plate is beneficial to changing the horizontal state of the test table surface.

[0004] The existing weighing apparatus testing device, because the vehicle has wheels, and in the case where the wheels are not locked, uneven ground will cause the vehicle to slide, thereby affecting the safety of people around. Therefore, a large-scale weighing apparatus testing device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a large-scale weighing apparatus testing device to solve the problems existing in the prior art, effectively avoid the random movement of the vehicle, and effectively improve the safety during the test process.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0007] The utility model provides a kind of large scale weighing apparatus equipment testing device, comprising: bottom plate, multiple support columns, top plate, weighing apparatus body, vehicle limiting device and adjustable slope device, each the support column is fixedly connected to the top of the bottom plate;The top plate is set in the top of each support column;The weighing apparatus body is installed in the top of the top plate;The vehicle limiting device is for being set in the top of the weighing apparatus body and can limit the vehicle entering weighing apparatus body;The top end of the adjustable slope device is rotatably connected with one end of the top plate, and the adjustable slope device can adjust the slope angle to adapt to the vehicle of different height to enter on weighing apparatus body.

[0008] Preferably, the vehicle limiting device includes a first telescopic device and four limiting blocks, the first telescopic device is arranged on the top of the weighing apparatus body, and the output end of the first telescopic device is fixedly connected with each limiting block and can drive each limiting block to move to the bottom of the vehicle wheel to restrict the movement of the vehicle.

[0009] Preferably, the first telescopic device includes a first limiting body plate, a second limiting body plate, a first sliding block, a second sliding block, a plurality of first limiting support rods, a plurality of second limiting support rods, and a first driving member, the first limiting body plate and the second limiting body plate are arranged in parallel and fixedly connected to the top of the weighing apparatus body, the first sliding block and the second sliding block are arranged in parallel and slidably connected to the weighing apparatus body between the first limiting body plate and the second limiting body plate, one end of the first limiting support rod is fixedly connected with the first sliding block, the other end passes through the first limiting body plate and is fixedly connected with the limiting block, and each first limiting support rod is slidably connected with the first limiting body plate, one end of the second limiting support rod is fixedly connected with the second sliding block, the other end passes through the second limiting body plate and is fixedly connected with the limiting block, and each second limiting support rod is slidably connected with the second limiting body plate, and the first driving member is used to drive the first sliding block and the second sliding block to move closer to or away from each other.

[0010] Preferably, the first driving member includes a servo motor and a mirror screw, the servo motor is fixedly connected to the top of the weighing apparatus body, the output shaft of the servo motor is fixedly connected with the mirror screw, the mirror screw is rotatably connected with the first limiting body plate and the second limiting body plate by passing through the first limiting body plate and the second limiting body plate, and the mirror screw is rotatably connected with the first limiting body plate, the mirror screw includes a first threaded section and a second threaded section connected integrally, the rotation directions of the first threaded section and the second threaded section are opposite, the first threaded section is used to pass through the first sliding block and be threadedly connected with the first sliding block, and the second threaded section is used to pass through the second sliding block and be threadedly connected with the second sliding block.

[0011] Preferably, the adjustable slope device includes a metal slide, a telescopic plate, a slope rotating block and a second telescopic device, the slope rotating block is fixedly connected to the top of one end of the top plate, the top of the metal slide is rotatably connected to the slope rotating block, the telescopic plate is sleeved on the bottom of the metal slide and slidably connected to the metal slide, the second telescopic device is arranged on the bottom plate, and the output end of the second telescopic device is used to be rotatably connected to the bottom of the telescopic plate, and the second telescopic device drives the telescopic plate to move to drive the metal slide to adjust the angle.

[0012] Preferably, the second telescopic device includes a first sliding rod, a second sliding rod and a second driving member, the first sliding rod passes through one side of the base plate and is slidably connected to the base plate, the second sliding rod passes through a side of the base plate away from the first sliding rod and is slidably connected to the base plate, and the second driving member is used to drive the first sliding rod and the second sliding rod to slide synchronously and maintain the position after sliding.

[0013] Preferably, the second driving member includes a DC motor, a first adjusting screw, a second adjusting screw, a driving gear, a transmission gear and a chain, one end of the first adjusting screw is threadedly connected to the first sliding rod, and the other end is fixedly connected to the driving gear, one end of the second adjusting screw is threadedly connected to the second sliding rod, and the other end is fixedly connected to the transmission gear, the output end of the DC motor is fixedly connected to the driving gear, and the driving gear is transmission-connected to the transmission gear through the chain.

[0014] Preferably, a first limiting square hole and a second limiting square hole are respectively provided on both sides of the base plate, the first sliding rod and the second sliding rod are both square structures, the first limiting square hole is used to limit the rotation of the first sliding rod, and the second limiting square hole is used to limit the rotation of the second sliding rod.

[0015] Preferably, it also includes a first vertical protective plate, a second vertical protective plate, a transverse protective plate, a transverse rotating block, a first vertical rotating block and a second vertical rotating block, and the first vertical rotating block and the second vertical rotating block are fixedly connected on both sides of the base plate, the first vertical protective plate is rotatably connected to the first vertical rotating block, the second vertical protective plate is rotatably connected to the second vertical rotating block, the transverse rotating block is arranged at an end of the base plate away from the slope rotating block, the transverse protective plate is rotatably connected to the transverse rotating block, and after the first vertical protective plate, the second vertical protective plate and the transverse protective plate are rotated to a vertical position, the first vertical protective plate and the second vertical protective plate are detachably fixedly connected to the transverse protective plate.

[0016] Preferably, the first metal insertion rod and the second metal insertion rod are further included, the two sides of the horizontal protection plate are respectively arranged in the plurality of first clamping grooves and the plurality of second clamping grooves, the first vertical protection plate is provided with a plurality of first protrusions at one end close to the horizontal protection plate, the second vertical protection plate is provided with a plurality of second protrusions at one end close to the horizontal protection plate, each first protrusion is used for being correspondingly clamped in the first clamping groove, each second protrusion is used for being correspondingly clamped in the second clamping groove, the first clamping groove and the corresponding position of the first protrusion are provided with a first through hole, the first metal insertion rod is used for being inserted into the first through hole to fix the first vertical protection plate and the horizontal protection plate, the second clamping groove and the corresponding position of the second protrusion are provided with a second through hole, and the second metal insertion rod is used for being inserted into the second through hole to fix the second vertical protection plate and the horizontal protection plate.

[0017] The utility model discloses relative to prior art has obtained following technical effect:

[0018] The utility model provides a large -scale weighing apparatus equipment testing arrangement, through setting up vehicle limiting device, when the vehicle travels to the weighing apparatus main part, can be through vehicle limiting device and limit the vehicle, effectively prevent the vehicle and move at random, improved the security of testing process, through setting up adjustable slope device realizes the adjustment of slope angle, and the vehicle of convenient different height is placed to the weighing apparatus testing arrangement, improved the practicality and adaptability of device. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description only is some embodiments of the utility model, and for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0020] Figure 1 The structure schematic diagram of the large -scale weighing apparatus equipment testing arrangement provided by the utility model is shown in the figure.

[0021] Figure 2 The structure schematic diagram of the first sliding rod in the large -scale weighing apparatus equipment testing arrangement provided by the utility model is shown in the figure.

[0022] Figure 3 The structure schematic diagram of the second sliding rod in the large -scale weighing apparatus equipment testing arrangement provided by the utility model is shown in the figure. Figure 2 The enlarged view of A in the figure.

[0023] Figure 4 The enlarged view of B in the figure. Figure 2 The enlarged view of B in the figure.

[0024] As shown in the figure, 1 is a bottom plate, 2 is a first sliding rod, 3 is an expansion plate, 4 is a metal sliding plate, 5 is a top plate, 6 is a first vertical guard plate, 7 is a horizontal guard plate, 8 is a first metal insertion rod, 9 is a slope rotating block, 10 is a horizontal rotating block, 11 is a chain, 12 is a transmission gear, 13 is a first adjusting screw rod, 14 is a support column, 15 is a weighing apparatus main body, 16 is a second vertical rotating block, 17 is a first limiting main body plate, 18 is a limiting block, 19 is a first limiting support rod, 20 is a first sliding block, 21 is a servo motor, 22 is a mirror image screw rod, and 23 is a direct current motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The utility model aims at providing a large-scale weighing apparatus testing device to solve the problems in the prior art and effectively avoid the random movement of vehicles and improve the safety during testing.

[0027] To make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0028] The utility model provides a large-scale weighing apparatus testing device, as shown in the figure, comprising a bottom plate 1, a plurality of support columns 14, a top plate 5, a weighing apparatus main body 15, a vehicle limiting device and an adjustable slope device, each support column 14 is fixedly connected to the top of the bottom plate 1, the top plate 5 is arranged on the top of each support column 14, the weighing apparatus main body 15 is installed on the top of the top plate 5, the vehicle limiting device is arranged on the top of the weighing apparatus main body 15 and can limit the vehicle entering the weighing apparatus main body 15, and the top end of the adjustable slope device is rotatably connected with one end of the top plate 5, and the adjustable slope device can adjust the slope angle to adapt to the vehicles of different heights entering the weighing apparatus main body 15. Figures 1 to 4

[0029] ​In a preferred embodiment, the vehicle limiting device comprises a first telescopic device and four limiting blocks 18, the first telescopic device is arranged on the top of the weighing body 15, the output end of the first telescopic device is fixedly connected with each limiting block 18 and can drive each limiting block 18 to move to the bottom of the vehicle wheel to limit the movement of the vehicle, which is simple in structure and convenient to use.

[0030] In a preferred embodiment, the first telescopic device comprises a first limiting body plate 17, a second limiting body plate, a first sliding block 20, a second sliding block, a plurality of first limiting support rods 19, a plurality of second limiting support rods and a first driving member, the first limiting body plate 17 and the second limiting body plate are arranged in parallel and fixedly connected to the top of the weighing body 15, the first sliding block 20 and the second sliding block are arranged in parallel and slidingly connected to the weighing body 15 between the first limiting body plate 17 and the second limiting body plate, one end of the first limiting support rod 19 is fixedly connected with the first sliding block 20, the other end passes through the first limiting body plate 17 and is fixedly connected with the limiting block 18, and each first limiting support rod 19 is slidingly connected with the first limiting body plate 17, one end of the second limiting support rod is fixedly connected with the second sliding block, the other end passes through the second limiting body plate and is fixedly connected with the limiting block 18, and each second limiting support rod is slidingly connected with the second limiting body plate, the first driving member is used to drive the first sliding block 20 and the second sliding block to move close to or away from each other, which is simple in structure and convenient to obtain materials.

[0031] In a preferred embodiment, the first driving member comprises a servo motor 21 and a mirror screw 22, the servo motor 21 is fixedly connected to the top of the weighing body 15, the output shaft of the servo motor 21 is fixedly connected with the mirror screw 22, the mirror screw 22 is rotatably connected with the first limiting body plate 17 and the second limiting body plate through the first limiting body plate 17, and the mirror screw 22 is rotatably connected with the first limiting body plate 17, the mirror screw 22 comprises a first threaded section and a second threaded section connected integrally, the rotation directions of the first threaded section and the second threaded section are opposite, the first threaded section is used to pass through the first sliding block 20 and is threadedly connected with the first sliding block 20, the second threaded section is used to pass through the second sliding block and is threadedly connected with the second sliding block, the vehicle limiting mechanism is designed ingeniously, the servo motor 21 and the mirror screw 22 are used to realize accurate limiting of the vehicle, which avoids the movement of the vehicle during the test and improves the accuracy and safety of the test.

[0032] In a preferred embodiment, the adjustable ramp device comprises the metal sliding plate 4, the telescopic plate 3, the ramp rotating block 9 and a second telescopic device, the ramp rotating block 9 is fixedly connected to the top of one end of the top plate 5, the top of the metal sliding plate 4 is rotationally connected with the ramp rotating block 9, the telescopic plate 3 is sleeved on the bottom of the metal sliding plate 4 and is slidingly connected with the metal sliding plate 4, the second telescopic device is arranged on the bottom plate 1, and an output end of the second telescopic device is used for rotationally connecting with the bottom of the telescopic plate 3, and the second telescopic device drives the telescopic plate 3 to move, so that the metal sliding plate 4 can be adjusted in angle.

[0033] In a preferred embodiment, the second telescopic device comprises the first sliding rod 2, the second sliding rod and the second driving member, the first sliding rod 2 is slidingly connected with the bottom plate 1 through one side of the bottom plate 1, the second sliding rod is slidingly connected with the bottom plate 1 through the side of the bottom plate 1 away from the first sliding rod 2, and the second driving member is used for driving the first sliding rod 2 and the second sliding rod to slide synchronously and can keep the position after sliding.

[0034] In a preferred embodiment, the second driving member comprises the DC motor 23, the first adjusting screw 13, the second adjusting screw, the driving gear, the transmission gear 12 and the chain 11, one end of the first adjusting screw 13 is threadedly connected with the first sliding rod 2, the other end is fixedly connected with the driving gear, one end of the second adjusting screw is threadedly connected with the second sliding rod, the other end is fixedly connected with the transmission gear 12, the output end of the DC motor 23 is fixedly connected with the driving gear, and the driving gear is in transmission connection with the transmission gear through the chain 11.

[0035] In a preferred embodiment, the two sides of the bottom plate 1 are respectively provided with the first limiting square hole and the second limiting square hole, the first sliding rod 2 and the second sliding rod are both square structures, the first limiting square hole is used for limiting the rotation of the first sliding rod 2, and the second limiting square hole is used for limiting the rotation of the second sliding rod.

[0036] In a preferred embodiment, the large-scale weighing apparatus device testing device further comprises the first vertical protective plate 6, the second vertical protective plate, the horizontal protective plate 7, the horizontal rotating block 10, the first vertical rotating block and the second vertical rotating block 16, the two sides of the bottom plate 1 are respectively fixedly connected with the first vertical rotating block and the second vertical rotating block 16, the first vertical protective plate 6 is in rotational connection with the first vertical rotating block, the second vertical protective plate is in rotational connection with the second vertical rotating block 16, the horizontal rotating block 10 is arranged at one end of the bottom plate 1 away from the ramp rotating block 9, the horizontal protective plate 7 is in rotational connection with the horizontal rotating block 10, and after the first vertical protective plate 6, the second vertical protective plate and the horizontal protective plate 7 are rotated to the vertical positions, the first vertical protective plate 6 and the second vertical protective plate are detachably fixedly connected with the horizontal protective plate 7.

[0037] In a preferred embodiment, the large scale weighing apparatus testing device further comprises a first metal insertion rod 8 and a second metal insertion rod, the two sides of the horizontal protective plate 7 are respectively provided with a plurality of first clamping grooves and a plurality of second clamping grooves, the first vertical protective plate 6 is provided with a plurality of first protrusions at one end close to the horizontal protective plate 7, the second vertical protective plate is provided with a plurality of second protrusions at one end close to the horizontal protective plate 7, each first protrusion is used for being correspondingly clamped in the first clamping groove, each second protrusion is used for being correspondingly clamped in the second clamping groove, the positions corresponding to the first clamping grooves and the first protrusions are provided with first through holes, the first metal insertion rod 8 is used for being inserted into the first through holes to fix the first vertical protective plate 6 and the horizontal protective plate 7, the positions corresponding to the second clamping grooves and the second protrusions are provided with second through holes, and the second metal insertion rod is used for being inserted into the second through holes to fix the second vertical protective plate and the horizontal protective plate 7, so as to prevent the vehicle from rushing out of the weighing apparatus testing device when the vehicle moves accidentally; when the vehicle moves due to accidental conditions during the test on the weighing apparatus, the first vertical protective plate 6, the second vertical protective plate and the horizontal protective plate 7 can play a blocking role, so as to prevent the vehicle from rushing out of the weighing apparatus testing device, thereby avoiding causing harm to surrounding personnel and equipment; avoiding accidents when personnel approach the weighing apparatus: during the test process, personnel may move around the weighing apparatus, the first vertical protective plate 6, the second vertical protective plate and the horizontal protective plate 7 can form a protective barrier to prevent personnel from accidentally approaching the weighing apparatus, reduce the occurrence of safety accidents, define the test area: the vertical protective plate and the horizontal protective plate 7 can clearly divide the working area of the weighing apparatus testing device, so that the test process is more standardized and orderly. The staff and the vehicle driver can clearly identify the range of the test area, avoid misoperation and unnecessary interference. Enhance visual prompt: the existence of the protective plate can serve as a visual prompt to remind people to pay attention to the existence of the test area and improve safety awareness. At the same time, it is also helpful for management personnel to supervise and manage the test site.

[0038] The principle and implementation mode of the specific examples in the utility model are described, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the utility model, the specific implementation mode and application range will be changed. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A large scale weigher apparatus testing device characterized by: The utility model relates to a vehicle weighing device, which comprises a base plate, a plurality of support columns, a top plate, a weighing body, a vehicle limiting device and an adjustable ramp device. The vehicle limiting device comprises a first telescopic device and four limiting blocks. The first telescopic device is arranged on the top of the weighing body, and the output end of the first telescopic device is fixedly connected with each limiting block and can drive each limiting block to move to the bottom of the wheels of a vehicle to restrict the movement of the vehicle. The first telescopic device comprises a first limiting body plate, a second limiting body plate, a first sliding block, a second sliding block, a plurality of first limiting support rods, a plurality of second limiting support rods and a first driving member. The first limiting body plate and the second limiting body plate are arranged in parallel and are fixedly connected to the top of the weighing body. The first sliding block and the second sliding block are arranged in parallel and are slidingly connected to the weighing body between the first limiting body plate and the second limiting body plate. One end of the first limiting support rod is fixedly connected to the first sliding block, the other end of the first limiting support rod passes through the first limiting body plate and is fixedly connected to the limiting block, and each first limiting support rod is slidingly connected to the first limiting body plate.

2. The large scale weigher apparatus testing device of claim 1, wherein: One end of the second limiting support rod is fixedly connected to the second sliding block, the other end of the second limiting support rod passes through the second limiting body plate and is fixedly connected to the limiting block, and each second limiting support rod is slidingly connected to the second limiting body plate.

3. The large scale weigher apparatus testing device of claim 2, wherein: The first driving member is used to drive the first sliding block and the second sliding block to move towards or away from each other.

4. The large scale weigher apparatus testing device of claim 3, wherein: The first driving member comprises a servo motor and a mirror screw. The servo motor is fixedly connected to the top of the weighing body. The output shaft of the servo motor is fixedly connected to the mirror screw. The mirror screw is rotatably connected to the first limiting body plate and the second limiting body plate through the first limiting body plate and the second limiting body plate. The mirror screw comprises a first threaded section and a second threaded section which are integrally connected. The rotation directions of the first threaded section and the second threaded section are opposite. The first threaded section passes through the first sliding block and is threadedly connected to the first sliding block. The second threaded section passes through the second sliding block and is threadedly connected to the second sliding block.

5. The large scale weigher apparatus testing device of claim 1, wherein: The adjustable slope device comprises a metal sliding plate, an extension plate, a slope rotating block and a second extension device, the slope rotating block is fixedly connected to the top of one end of the top plate, the top of the metal sliding plate is rotationally connected with the slope rotating block, the extension plate is sleeved on the bottom of the metal sliding plate and is slidingly connected with the metal sliding plate, the second extension device is arranged on the bottom plate, and the output end of the second extension device is rotationally connected with the bottom of the extension plate, the second extension device drives the extension plate to move, so that the metal sliding plate can be adjusted in angle.

6. The large scale weigher apparatus testing device of claim 5, wherein: The second extension device comprises a first sliding rod, a second sliding rod and a second driving member, the first sliding rod is slidingly connected with the bottom plate through one side of the bottom plate, the second sliding rod is slidingly connected with the bottom plate through the side of the bottom plate away from the first sliding rod, and the second driving member is used for driving the first sliding rod and the second sliding rod to slide synchronously and keeping the positions after sliding.

7. The large scale weigher apparatus testing device of claim 6, wherein: The second driving member comprises a DC motor, a first adjusting screw, a second adjusting screw, a driving gear, a transmission gear and a chain, one end of the first adjusting screw is threadedly connected with the first sliding rod, the other end is fixedly connected with the driving gear, one end of the second adjusting screw is threadedly connected with the second sliding rod, the other end is fixedly connected with the transmission gear, the output end of the DC motor is fixedly connected with the driving gear, and the driving gear is transmissionally connected with the transmission gear through the chain.

8. The large scale weigher apparatus testing device of claim 7, wherein: The two sides of the bottom plate are respectively provided with a first limiting square hole and a second limiting square hole, the first sliding rod and the second sliding rod are both square structures, the first limiting square hole is used for limiting the rotation of the first sliding rod, and the second limiting square hole is used for limiting the rotation of the second sliding rod.

9. The large scale weigher apparatus testing device of claim 8, wherein: Further comprising a first vertical guard plate, a second vertical guard plate, a horizontal guard plate, a horizontal rotating block, a first vertical rotating block and a second vertical rotating block, the two sides of the bottom plate are respectively fixedly connected with the first vertical rotating block and the second vertical rotating block, the first vertical guard plate is rotationally connected with the first vertical rotating block, the second vertical guard plate is rotationally connected with the second vertical rotating block, the horizontal rotating block is arranged at one end of the bottom plate away from the slope rotating block, the horizontal guard plate is rotationally connected with the horizontal rotating block, and the first vertical guard plate, the second vertical guard plate and the horizontal guard plate are rotationally connected with the horizontal guard plate in a vertical position and are detachably fixedly connected.

10. The large scale weigher apparatus testing device of claim 9, wherein: Further comprising a first metal insertion rod and a second metal insertion rod, two sides of the horizontal protection plate are respectively arranged in a plurality of first clamping grooves and a plurality of second clamping grooves, one end of the first vertical protection plate close to the horizontal protection plate is provided with a plurality of first protrusions, one end of the second vertical protection plate close to the horizontal protection plate is provided with a plurality of second protrusions, each first protrusion is used for corresponding clamping in the first clamping groove, each second protrusion is used for corresponding clamping in the second clamping groove, the first clamping groove and the corresponding position of the first protrusion are provided with a first through hole, the first metal insertion rod is used for inserting into the first through hole to fix the first vertical protection plate and the horizontal protection plate, the second clamping groove and the corresponding position of the second protrusion are provided with a second through hole, and the second metal insertion rod is used for inserting into the second through hole to fix the second vertical protection plate and the horizontal protection plate.

Images