A portable mechanical transmission conveyor belt and its usage method

Abstract

The present invention discloses a portable mechanical transmission conveyor belt and a method of using the same, including a conveyor body, the conveyor body including a placing frame, the middle part of the placing frame being rotatably provided with a conveyor belt; the bottom of the placing frame being provided with two sets of adjustable support mechanisms, the adjustable support mechanisms including a vertical adjustment component and a rotation support component, the vertical adjustment component being provided between the bottom end of the placing frame and the top end of the rotation support component, and being used to adjust the vertical distance between the rotation support component and the placing frame; the front and back sides of the top of the placing frame being provided with enclosure mechanisms, the top of the placing frame and both sides of the enclosure mechanisms being provided with locking mechanisms. The present invention, through the design of the enclosure mechanism, utilizes the enclosure mechanism to be provided at the top of the placing frame, and allows the enclosure mechanism to be unfolded only when in use in a retractable manner, so that the volume occupied by the entire conveyor belt is flexibly adjustable, thereby enhancing its safety while increasing its convenience.

Description

Technical Field

[0001] The present invention relates to the field of conveying equipment, and particularly relates to a portable mechanical transmission conveyor belt and a using method thereof. Background Art

[0002] Conveyor belts are often used in industrial production and agricultural production. As a tool for material transfer, they are very convenient to use. However, some current conveyor belts only achieve anti-slip transportation of materials by adding corrugations of different shapes or some blocking strip-like structures on the surface of the conveyor belt. Such structures do play a role in anti-slip transportation to a certain extent. However, materials are generally transported from high to low using a conveyor belt. For conventional conveyor belts, there are no shielding and protection mechanisms on both sides. Therefore, during the process of material transfer, if the material slides and deviates and falls at a high place, it will cause great danger. At the same time, if a shielding mechanism is directly welded on both sides of the conveyor belt surface, the occupied volume of the conveyor belt will increase greatly, which will in turn affect the convenience of using the entire conveyor belt. Summary of the Invention

[0003] The purpose of the present invention is to provide a portable mechanical transmission conveyor belt and a using method thereof to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A portable mechanical transmission conveyor belt method, including:

[0005] A conveying body, the conveying body includes a placement rack, and a conveyor belt is rotatably arranged in the middle of the placement rack;

[0006] Two sets of adjustable support mechanisms are arranged at the bottom of the placement rack. The adjustable support mechanism includes a rotating support component and a vertical adjustment component for adjusting the vertical distance between the rotating support component and the placement rack. The vertical adjustment component is arranged between the bottom end of the placement rack and the top end of the rotating support component;

[0007] On the front and back of the top of the placement rack, there are both enclosure mechanisms for enclosing and protecting the conveying route. On both sides of the enclosure mechanism at the top end of the placement rack, there are locking mechanisms for closing the enclosure mechanism.

[0008] Preferably, two moving chutes are opened on the front and back of the bottom end of the placement rack;

[0009] The rotating support component includes a rotating connection ring. Two support rods are rotatably arranged on the outer wall of the rotating connection ring. At the end of each of the two support rods away from the rotating connection ring, there is a connection slider rotatably arranged. The two connection sliders are respectively slidably inserted and connected in the two moving chutes.

[0010] Preferably, both ends of the placement rack are rotationally inserted and connected with rotating rods, and both ends of the conveyor belt are respectively sleeved on the outer walls of the two rotating rods, and a plurality of blocking strips are arranged on the outer wall of the conveyor belt.

[0011] Preferably, the vertical adjustment assembly includes a connecting plate, the top end of the connecting plate is fixedly connected to the bottom end of the placement rack, a through chute is opened at the bottom end of the connecting plate, two groups of positioning insertion holes are opened on the inner walls of the front and back of the through chute, and guiding chutes are opened on the inner walls of both sides of the through chute;

[0012] A connecting support rod, the top of the connecting support rod is slidably inserted in the through chute, two groups of positioning mechanisms that are horizontally centrosymmetric are arranged at the top of the connecting support rod, the two groups of positioning mechanisms are respectively slidably inserted and connected with the two groups of positioning insertion holes, and both sides of the top of the connecting support rod are fixedly connected with guiding sliders, and the two guiding sliders are respectively slidably inserted and connected in the two guiding chutes.

[0013] Preferably, the positioning mechanism includes a positioning insertion rod, the positioning insertion rod is slidably inserted and connected with the positioning insertion hole, receiving chutes are opened on the front and back of the top of the connecting support rod, one end of the positioning insertion rod is slidably inserted in the receiving chute, limiting chutes are opened at the top and bottom of the receiving chute, limiting springs are arranged in the two limiting chutes, limiting sliders are fixedly connected to the top and bottom of the positioning insertion rod respectively, and the two limiting sliders are respectively slidably inserted and connected in the two limiting chutes.

[0014] Preferably, placement grooves are opened at the top end of the placement rack and on the sides close to the front and back, and the two groups of enclosing mechanisms are respectively rotatably arranged in the two placement grooves;

[0015] The enclosing mechanism includes a plurality of rotating connecting rods, a plurality of top supporting connecting rods and a supporting plate, the plurality of rotating connecting rods are all rotatably arranged in the placement groove, the plurality of top supporting connecting rods are respectively fixedly connected to the tops of the plurality of rotating connecting rods, a supporting groove is opened at the bottom end of the supporting plate and on the side close to the back, and the tops of the plurality of top supporting connecting rods are all rotatably arranged in the supporting groove.

[0016] Preferably, a winding groove is opened at the bottom end of the supporting plate and on the side close to the front, a shielding member is arranged in the winding groove, the shielding member includes a winding roller and a shielding cloth, and a plurality of hanging lock members are arranged at the top end of the placement rack for hanging and locking the unfolded shielding cloth.

[0017] Preferably, support grooves are formed in the inner walls on both sides of the winding groove. The winding roller is rotatably inserted into the winding groove, and both ends of the winding roller are rotatably inserted into the two support grooves respectively. Torsion springs are arranged in the two support grooves, and the two torsion springs are respectively sleeved on both ends of the winding roller. A plurality of hanging holes are formed in the bottom of the shielding cloth;

[0018] The hanging lock member includes a hanging plate and a hanging spring. The bottom end of the hanging plate is fixedly connected to the top end of the placement rack, and both ends of the hanging spring are sleeved with the top of the hanging plate and the hanging hole respectively.

[0019] Preferably, the locking mechanism includes a control board and a pushing member. A control sliding groove is formed at the top end of the control board, a support sliding groove is formed in the inner wall at the bottom end of the control sliding groove, a top support spring is arranged in the control sliding groove, and a through hole is formed on one side of the control sliding groove;

[0020] The pushing member includes a pushing plate. One end of the pushing plate is slidably inserted into the control sliding groove through the through hole. The top end of the pushing plate is fixedly connected with an operating rod. The bottom of the operating rod is slidably inserted into the control sliding groove. The bottom end of the pushing plate is fixedly connected with a support slider, and the support slider is slidably inserted into the support sliding groove.

[0021] A using method of a portable mechanical transmission conveyor belt, the using method includes the following steps;

[0022] First step, first set up the entire conveyor belt. At this time, the adjustable support mechanism needs to be operated. First, press the two positioning rods in the direction close to the connecting plate until the two positioning rods are completely placed in the corresponding positioning holes. Then, the connecting support rod can be vertically pulled to drive the rotating connecting ring to move synchronously. After the adjustment is completed, release the pressing on the positioning rods, and the positioning rods slide and are inserted into the corresponding positioning holes to complete the positioning. In this way, the entire placement rack can be fixed through the middle of the rotating connecting ring;

[0023] Second step, pull out and straighten the supporting plate. At this time, two operating rods in the same horizontal direction need to be pulled in opposite directions. Driven by the operating rods, the pushing plates move synchronously until the pushing plates completely move away from the top end of the control sliding groove. Then, rotate and pull out the supporting plate, and release the pulling force on the operating rods. At this time, during the reset process of the pushing plates, by pushing the top of the adjacent top support connecting rods, a clamping state is formed to complete the unfolding and positioning of the supporting plate;

[0024] Third step, pull out the shielding member. From the bottom end of the supporting plate, pull down by buckling the hanging hole to unfold the wound shielding cloth. Then, hang the end of the hanging spring away from the hanging plate in the hanging hole to maintain the unfolded state of the shielding cloth;

[0025] In the fourth step, connect any one end of the two rotating rods to the output end of the driver. In this way, the rotating rods drive the conveyor belt to rotate around under the drive, and at this time, the material to be transported can be placed on the top of the conveyor belt, and then it can be transported and conveyed under the protection of the enclosure.

[0026] Technical effects and advantages of the present invention:

[0027] (1) Through the design of the enclosure mechanism of the present invention, by arranging the enclosure mechanism on the top of the placement rack and enabling it to be unfolded only when in use in a retractable manner, the volume occupied by the entire conveyor belt can be flexibly adjusted. Thus, while enhancing its safety, its convenience is also increased.

[0028] (2) The present invention is provided with an adjustable support mechanism. By using this adjustable support mechanism to adjust the erection volume of the entire conveyor belt, the flexible adjustment of the volume of the entire conveyor belt can be achieved. In this way, the erection height of the conveyor belt can be very flexibly completed, making the conveyor belt more flexible in use and more convenient to operate. Description of the drawings

[0029] Figure 1 It is a schematic structural diagram of the overall conveyor belt of the present invention.

[0030] Figure 2 For the present invention Figure 1 It is an enlarged schematic structural diagram of part A in the present invention.

[0031] Figure 3 It is a schematic cross-sectional view of the overall conveyor belt of the present invention.

[0032] Figure 4 For the present invention Figure 3 It is an enlarged schematic structural diagram of part B in the present invention.

[0033] Figure 5 It is a schematic cross-sectional view of the connection between the connecting plate and the positioning mechanism of the present invention.

[0034] Figure 6 For the present invention Figure 5 It is an enlarged schematic structural diagram of part C in the present invention.

[0035] Figure 7 It is a schematic cross-sectional view of the structural connection between the supporting plate and the shielding member of the present invention.

[0036] Figure 8 For the present invention Figure 7 It is an enlarged schematic structural diagram of part D in the present invention.

[0037] In the figure: 1. Placing rack; 101. Conveyor belt; 102. Rotating rod; 103. Blocking strip; 2. Rotating connecting ring; 201. Support rod; 202. Connecting slider; 3. Connecting support rod; 301. Guide slider; 302. Limiting spring; 4. Connecting plate; 401. Positioning jack; 5. Positioning plug rod; 501. Limiting slider; 6. Rotating connecting rod; 601. Top support connecting rod; 7. Supporting plate; 701. Winding roller; 702. Shading cloth; 703. Torsion spring; 8. Control board; 801. Pushing plate; 802. Support slider; 803. Operating rod; 804. Top support spring; 9. Hanging plate; 901. Hanging spring. Detailed implementation manner

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] The present invention provides a Figure 1-8 portable mechanical transmission conveyor belt as shown in the figure, including:

[0040] A conveyor body, the conveyor body includes a placing rack 1, and a conveyor belt 101 is rotatably arranged in the middle of the placing rack 1;

[0041] The placing rack 1 is a hollow rack in the middle, and its basic shape can be an I-shaped. In this way, the conveyor belt 101 is wound around and sleeved on the I-shaped rack, and the rotation-generated friction can be used to realize the transfer of items.

[0042] Two moving chutes are respectively opened on the front and back of the bottom end of the placing rack 1;

[0043] The rotating support assembly includes a rotating connecting ring 2. Two support rods 201 are rotatably arranged on the outer wall of the rotating connecting ring 2. The two ends of the two support rods 201 far away from the rotating connecting ring 2 are respectively rotatably provided with connecting sliders 202, and the two connecting sliders 202 are respectively slidably inserted and connected in the two moving chutes;

[0044] The connection between the rotating connecting ring 2 and the two support rods 201 is rotationally connected through a ring-like structure, so as to ensure that when the rotating connecting ring 2 moves vertically, the two support rods 201 can realize the angle conversion through the angle conversion.

[0045] Rotating rods 102 are respectively rotatably inserted and connected at both ends of the placing rack 1, and both ends of the conveyor belt 101 are respectively sleeved on the outer walls of the two rotating rods 102, and a plurality of blocking strips 103 are arranged on the outer wall of the conveyor belt 101;

[0046] With the setting of the structure of the blocking bar 103, a block is formed on the surface of the conveyor belt 101 to ensure the timely transfer of items.

[0047] Two sets of adjustable support mechanisms are arranged at the bottom of the placement rack 1. The adjustable support mechanism includes a vertical adjustment component and a rotating support component. The vertical adjustment component is arranged between the bottom end of the placement rack 1 and the top end of the rotating support component for adjusting the vertical distance between the rotating support component and the placement rack 1;

[0048] The vertical adjustment component includes a connecting plate 4. The top end of the connecting plate 4 is fixedly connected to the bottom end of the placement rack 1. The bottom end of the connecting plate 4 is provided with an insertion chute. Two sets of positioning jacks 401 are arranged on the inner walls of the front and back of the insertion chute. Guide chutes are arranged on the inner walls on both sides of the insertion chute;

[0049] A connecting support rod 3. The top of the connecting support rod 3 is slidably inserted into the insertion chute. Two sets of positioning mechanisms that are horizontally centrosymmetric are arranged at the top of the connecting support rod 3. The two sets of positioning mechanisms are respectively slidably inserted and connected with the two sets of positioning jacks 401. Guide sliders 301 are fixedly connected to both sides of the top of the connecting support rod 3. The two guide sliders 301 are respectively slidably inserted and connected into the two guide chutes.

[0050] Specifically, the positioning mechanism includes a positioning insertion rod 5. The positioning insertion rod 5 is slidably inserted and connected with the positioning jack 401. Receiving chutes are arranged on the front and back of the top of the connecting support rod 3. One end of the positioning insertion rod 5 is slidably inserted into the receiving chute. Limiting chutes are arranged at the top and bottom of the receiving chute. Limiting springs 302 are arranged in the two limiting chutes. Limiting sliders 501 are fixedly connected to the top and bottom of the positioning insertion rod 5. The two limiting sliders 501 are respectively slidably inserted and connected into the two limiting chutes.

[0051] Through the sliding insertion between the positioning insertion rod 5 and the positioning jacks 401 at different height positions, the support positioning at different height positions can be realized in different insertion states, and further the adjustment of the height of the entire vertical adjustment component can be completed.

[0052] Fence mechanisms are arranged on the front and back of the top of the placement rack 1 for the fence protection of the conveying route. Locking mechanisms are arranged on both sides of the fence mechanisms at the top end of the placement rack 1 for the closing of the fence mechanisms;

[0053] Placement grooves are opened on the top end of the placement rack 1 and on the side close to the front and back. The two fence mechanisms are respectively rotatably arranged in the two placement grooves;

[0054] The enclosure mechanism includes multiple rotating connecting rods 6, multiple top-supporting connecting rods 601 and a supporting plate 7. The multiple rotating connecting rods 6 are all rotatably arranged in the placement groove. The multiple top-supporting connecting rods 601 are respectively fixedly connected to the tops of the multiple rotating connecting rods 6. At the bottom end of the supporting plate 7 and near the side of the back surface, a supporting groove is provided, and the tops of the multiple top-supporting connecting rods 601 are all rotatably arranged in the supporting groove.

[0055] At the bottom end of the supporting plate 7 and near the side of the front surface, a winding groove is provided. A shielding member is arranged in the winding groove. The shielding member includes a winding roller 701 and a shielding cloth 702. Multiple locking members are arranged at the top end of the placement rack 1 for locking the unfolded shielding cloth 702.

[0056] On both inner walls of the two sides of the winding groove, supporting grooves are provided. The winding roller 701 is rotatably inserted into the winding groove, and the two ends of the winding roller 701 are respectively rotatably inserted into the two supporting grooves. Two torsion springs 703 are arranged in the two supporting grooves, and the two torsion springs 703 are respectively sleeved on the two ends of the winding roller 701. Multiple hanging holes are provided at the bottom of the shielding cloth 702;

[0057] The locking member includes a hanging plate 9 and a hanging spring 901. The bottom end of the hanging plate 9 is fixedly connected to the top end of the placement rack 1, and the two ends of the hanging spring 901 are respectively sleeved on the top of the hanging plate 9 and the hanging hole.

[0058] Specifically, the locking mechanism includes a control board 8 and a pushing member. A control sliding groove is provided at the top end of the control board 8. A supporting sliding groove is provided at the inner wall of the bottom end of the control sliding groove. A top-supporting spring 804 is arranged in the control sliding groove. A through hole is provided on one side of the control sliding groove;

[0059] The pushing member includes a pushing plate 801. One end of the pushing plate 801 is slidably inserted into the control sliding groove through the through hole. The top end of the pushing plate 801 is fixedly connected with an operating rod 803. The bottom of the operating rod 803 is slidably inserted into the control sliding groove. The bottom end of the pushing plate 801 is fixedly connected with a supporting slider 802. The supporting slider 802 is slidably inserted into the supporting sliding groove.

[0060] The working principle of the present invention: Refer to Figures 1 to 8 , when using the conveyor belt, the following steps need to be carried out;

[0061] Implement the first step of operation. First, set up the entire conveyor belt. At this time, the adjustable support mechanism needs to be operated. First, press two positioning rods 5 in the direction close to the connecting plate 4. After the two positioning rods 5 are stressed, they drive the connected limiting sliders 501 to move synchronously. When the limiting sliders 501 move in the limiting chute, they will squeeze the limiting spring 302 in the limiting chute, causing the limiting spring 302 to gradually compress under stress. Continuously press the positioning rod 5 until the two positioning rods 5 are completely retracted into the corresponding positioning holes 401. At this time, the connecting support rod 3 can be vertically pulled. After the connecting support rod 3 is stressed, it moves vertically, and at the same time drives the rotating connecting ring 2 to move synchronously. Driven by the rotating connecting ring 2, the two support rods 201 rotate. During the rotation of the two support rods 201, the two connecting sliders 202 are driven to slide in the corresponding connecting chutes. After the adjustment is completed, release the pressing on the positioning rod 5. At this time, under the pushing force of the restoring force of the limiting spring 302, the positioning rod 5 slides and penetrates into the positioning hole 401 at the corresponding position to complete the positioning. In this way, the entire placement rack 1 can be fixed through the middle of the rotating connecting ring 2.

[0062] Implement the second step of operation. Pull out and straighten the supporting plate 7. At this time, two operating rods 803 on the same horizontal level need to be pulled in opposite directions. Driven by the operating rods 803, the abutting plate 801 moves synchronously. At the same time, the movement of the abutting plate 801 squeezes the top support spring 804, causing it to gradually contract under stress. Continuously pull the operating rod 803 until the abutting plate 801 completely moves away from the top of the control chute. At this time, rotate and pull out the supporting plate 7. After the supporting plate 7 is removed from the control chute, the pulling force on the operating rod 803 can be released. At this time, the top support spring 804 pushes the abutting plate 801 to reset through the restoring force. At the same time, during the reset process of the abutting plate 801, by pushing the top of the adjacent top support connecting rod 601, a clamping state is formed to complete the unfolding and positioning of the supporting plate 7.

[0063] Implement the third step of operation. Pull out the shielding member. From the bottom end of the supporting plate 7, pull down by buckling the hanging hole to unfold the wound shielding cloth 702. Then, hang the end of the hanging spring 901 away from the hanging plate 9 in the hanging hole to maintain the unfolded state of the shielding cloth 702.

[0064] Implement the fourth step of operation. Connect any one end of the two rotating rods 102 to the output end of the drive. In this way, the rotating rod 102 drives the conveyor belt 101 to rotate around. At this time, the material to be transported can be placed on the top of the conveyor belt 101, and then under the enclosure protection, it can be transported and conveyed.

[0065] A method for using a portable mechanical transmission conveyor belt, the method comprising the following steps;

[0066] First step, first set up the entire conveyor belt. At this time, the adjustable support mechanism needs to be operated. First, press the two positioning rods 5 towards the direction close to the connecting plate 4 until the two positioning rods 5 are completely retracted into the corresponding positioning holes 401. Then, the connecting support rod 3 can be vertically pulled to drive the rotating connecting ring 2 to move synchronously. After the adjustment is completed, release the pressing on the positioning rod 5, and the positioning rod 5 slides through the corresponding positioning hole 401 to complete the positioning. In this way, the entire placement rack 1 can be fixed through the middle of the rotating connecting ring 2;

[0067] Second step, pull out and straighten the supporting plate 7. At this time, two operating rods 803 in the same horizontal direction need to be pulled in the opposite direction. Driven by the operating rods 803, the abutting plate 801 moves synchronously until the abutting plate 801 completely moves away from the top end of the control chute. Then, rotate and pull out the supporting plate 7 and release the pulling force on the operating rods 803. At this time, during the reset process of the abutting plate 801, by pushing the top of the adjacent top support connecting rod 601, a clamping state is formed to complete the unfolding and positioning of the supporting plate 7;

[0068] Third step, pull out the shielding member. From the bottom end of the supporting plate 7, pull down by buckling the hanging hole to unfold the wound shielding cloth 702. Then, hang the end of the hanging spring 901 away from the hanging plate 9 in the hanging hole to maintain the unfolded state of the shielding cloth 702;

[0069] Fourth step, connect any one end of the two rotating rods 102 to the output end of the drive. In this way, the rotating rod 102 drives the conveyor belt 101 to rotate around. At this time, the material to be transported can be placed on the top of the conveyor belt 101, and then it can be transported and conveyed under the enclosure protection.

[0070] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A portable mechanical transmission conveyor belt, comprising: A conveyor body, the conveyor body includes a placement rack (1), and a conveyor belt (101) is rotatably arranged in the middle of the placement rack (1); It is characterized in that two sets of adjustable support mechanisms are arranged at the bottom of the placement rack (1), the adjustable support mechanism includes a rotating support component and a vertical adjustment component for adjusting the vertical distance between the rotating support component and the placement rack (1), and the vertical adjustment component is arranged between the bottom end of the placement rack (1) and the top end of the rotating support component; Both the front and back of the top of the placement rack (1) are provided with a surrounding mechanism for surrounding and protecting the conveying route, and locking mechanisms for closing the surrounding mechanism are arranged on both sides of the surrounding mechanism at the top end of the placement rack (1); Two moving chutes are respectively opened on the front and back of the bottom end of the placement rack (1); The rotating support component includes a rotating connection ring (2), two support rods (201) are rotatably arranged on the outer wall of the rotating connection ring (2), and connection sliders (202) are rotatably arranged at the ends of the two support rods (201) away from the rotating connection ring (2), and the two connection sliders (202) are respectively slidably inserted and connected in the two moving chutes; The vertical adjustment component includes a connecting plate (4), the top end of the connecting plate (4) is fixedly connected to the bottom end of the placement rack (1), an insertion chute is opened at the bottom end of the connecting plate (4), two sets of positioning insertion holes (401) are respectively opened on the inner walls of the front and back of the insertion chute, and guiding chutes are respectively opened on the inner walls of both sides of the insertion chute; A connecting support rod (3), the top of the connecting support rod (3) is slidably inserted into the insertion chute, two sets of positioning mechanisms that are horizontally centrosymmetric are arranged at the top of the connecting support rod (3), the two sets of positioning mechanisms are respectively slidably inserted and connected with the two sets of positioning insertion holes (401), and guiding sliders (301) are respectively fixedly connected to both sides of the top of the connecting support rod (3), and the two guiding sliders (301) are respectively slidably inserted and connected in the two guiding chutes; Placement grooves are respectively opened at the top end of the placement rack (1) and near the edges of the front and back, and the two sets of surrounding mechanisms are respectively rotatably arranged in the two placement grooves; The surrounding mechanism includes a plurality of rotating connecting rods (6), a plurality of top supporting connecting rods (601) and a supporting plate (7), the plurality of rotating connecting rods (6) are all rotatably arranged in the placement groove, the plurality of top supporting connecting rods (601) are respectively fixedly connected to the tops of the plurality of rotating connecting rods (6), a supporting groove is opened at the bottom end of the supporting plate (7) and near the edge of the back, and the tops of the plurality of top supporting connecting rods (601) are rotatably arranged in the supporting groove; 2. The portable mechanical transmission conveyor belt according to claim 1, characterized in that, Rotating rods (102) are respectively rotatably inserted through both ends of the placement rack (1), and both ends of the conveyor belt (101) are respectively sleeved on the outer walls of the two rotating rods (102), and a plurality of blocking strips (103) are arranged on the outer wall of the conveyor belt (101).

3. The portable mechanical transmission conveyor belt according to claim 2, wherein The positioning mechanism includes a positioning plug rod (5), which is slidably inserted and connected to a positioning socket (401). Receiving chutes are provided on both the front and back of the top of the connecting support rod (3). One end of the positioning plug rod (5) is slidably inserted into the receiving chute. Limiting chutes are provided at both the top and bottom of the receiving chute. Limiting springs (302) are arranged in both of the two limiting chutes. Limiting sliders (501) are fixedly connected to both the top and bottom of the positioning plug rod (5). The two limiting sliders (501) are respectively slidably inserted and connected to the two limiting chutes.

4. A portable mechanical transmission conveyor belt according to claim 3, characterized in that, At the bottom of the supporting plate (7), and near the side of the front, a winding groove is provided. A shielding member is arranged in the winding groove. The shielding member includes a winding roller (701) and a shielding cloth (702). A plurality of hanging locking members are arranged at the top of the placement rack (1) for hanging and locking the unfolded shielding cloth (702).

5. A portable mechanical transmission conveyor belt according to claim 4, characterized in that, Supporting grooves are provided on the inner walls of both sides of the winding groove. The winding roller (701) is rotatably inserted into the winding groove, and both ends of the winding roller (701) are respectively rotatably inserted into the two supporting grooves. Torsion springs (703) are arranged in both of the two supporting grooves, and the two torsion springs (703) are respectively sleeved on both ends of the winding roller (701). A plurality of hanging holes are provided at the bottom of the shielding cloth (702); The hanging locking member includes a hanging plate (9) and a hanging spring (901). The bottom end of the hanging plate (9) is fixedly connected to the top of the placement rack (1). Both ends of the hanging spring (901) are respectively sleeved on the top of the hanging plate (9) and the hanging hole.

6. A portable mechanical transmission conveyor belt according to claim 5, characterized in that, The locking mechanism includes a control board (8) and a pushing member. A control chute is provided at the top of the control board (8). A supporting chute is provided on the inner wall of the bottom end of the control chute. A top supporting spring (804) is arranged in the control chute. A through hole is provided on one side of the control chute; The pushing member includes a pushing plate (801). One end of the pushing plate (801) is slidably inserted into the control chute through the through hole. An operating rod (803) is fixedly connected to the top end of the pushing plate (801). The bottom of the operating rod (803) is slidably inserted into the control chute. A supporting slider (802) is fixedly connected to the bottom end of the pushing plate (801). The supporting slider (802) is slidably inserted into the supporting chute.

7. The method for using a portable mechanical transmission conveyor belt according to claim 6, characterized in that, The using method includes the following steps; First step, first set up the entire conveyor belt. At this time, the adjustable support mechanism needs to be operated. At this time, it is necessary to first press the two positioning plug rods (5) in the direction close to the connecting plate (4) until the two positioning plug rods (5) are completely retracted into the corresponding positioning sockets (401). Then, the connecting support rod (3) can be vertically pulled to drive the rotating connecting ring (2) to move synchronously. After the adjustment is completed, release the pressing on the positioning plug rods (5). The positioning plug rods (5) slide and are inserted into the positioning sockets (401) at the corresponding positions to complete the positioning. In this way, the entire placement rack (1) can be fixed by passing through the middle of the rotating connecting ring (2); Second step, pull out and straighten the supporting plate (7). At this time, it is necessary to pull two operating rods (803) in the same horizontal direction in opposite directions. Driven by the operating rods (803), the abutting plate (801) moves synchronously until the abutting plate (801) completely moves away from the top of the control chute. Then rotate to pull out the supporting plate (7) and release the pulling force on the operating rods (803). At this time, during the reset process of the abutting plate (801), by pushing the top of the adjacent top support connecting rod (601), a clamping state is formed to complete the unfolding and positioning of the supporting plate (7); Third step, pull out the shielding member. From the bottom end of the supporting plate (7), pull down by buckling the hanging hole to unfold the wound shielding cloth (702). Then hang the end of the hanging spring (901) far away from the hanging plate (9) in the hanging hole to maintain the unfolded state of the shielding cloth (702); Fourth step, connect any one end of two rotating rods (102) to the output end of the drive. In this way, driven by the rotating rods (102), the conveyor belt (101) rotates around. At this time, the material to be transported can be placed on the top of the conveyor belt (101), and then it can be transported and conveyed under the protection of the enclosure.

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