A concrete aggregate conveying apparatus

By using protective components such as sliding receiving frames and flexible protective covers in concrete aggregate conveying equipment, the dust problem in windy weather has been solved, achieving more efficient and environmentally friendly aggregate conveying.

CN119683232BActive Publication Date: 2025-11-21ANHUI HONGYU INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202411959557.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2044-12-30

AI Technical Summary

Technical Problem

In windy weather, concrete aggregate conveying equipment is prone to generating dust, which leads to waste of raw materials, affects the health of construction workers, and damages equipment performance.

Method used

The inclined conveyor belt and protective components, including a sliding support frame, flexible protective cover and locking mechanism, can be deployed to protect the area above the conveyor belt in windy weather, reducing the impact of dust.

Benefits of technology

It effectively reduces the impact of strong winds on aggregate transportation, reduces dust generation, improves material utilization and equipment lifespan, and protects the health of construction workers.

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Abstract

The application relates to a concrete aggregate conveying device and relates to the technical field of concrete processing, which comprises a conveying belt, a supporting assembly for supporting the conveying belt, the supporting assembly comprises a support frame arranged obliquely, supporting rollers fixed at both ends of the support frame, and a plurality of supporting rods symmetrically fixed to the lower side of the support frame; a driving element for driving the upper end supporting roller to rotate is fixed to the support frame; guide sliding grooves are formed on the opposite sides of the support frame along the length direction of the support frame; a protection assembly is arranged above the conveying belt; the protection assembly comprises a plurality of receiving frames slidably arranged in the guide sliding grooves, flexible protective covers fixedly connected to the outer surfaces of the receiving frames, and locking elements for fixing the receiving frames; in the application, when the aggregate conveying device is used in windy weather, the receiving frames are first slidably arranged on the support frame, and then the installation positions of the receiving frames are locked by using the locking elements, so that the conveying belt can be protected in the unfolded state, and the influence of the windy weather on the aggregate conveying is reduced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of concrete processing, and in particular to a concrete aggregate conveying device. BACKGROUND

[0002] The concrete aggregate conveying device plays a crucial role in concrete mixing stations and construction sites. Its core task is to efficiently and accurately transfer aggregates such as cement, sand and other key ingredients from the storage bin to the mixer or other processing equipment, ensuring smooth production and construction processes. With the rapid development of the construction industry and the acceleration of technological iteration, concrete aggregate conveying devices are undergoing continuous innovation and optimization to achieve more efficient and environmentally friendly production and construction goals.

[0003] In the existing technical system, especially in small construction sites, belt conveyors have become the mainstream choice for concrete aggregate conveying due to their simple structure, convenient operation and strong conveying capacity. This type of equipment effectively transports aggregates from the source to the destination using the friction and tension on the conveyor belt, greatly improving construction efficiency.

[0004] However, in actual application, we also have to face some challenges. Especially in windy weather conditions, light aggregates such as cement and sand are prone to dust during transportation, which not only threatens the air quality of the construction site and affects the respiratory health of construction personnel, but also can cause serious waste of raw materials and increase construction costs. More seriously, long-term exposure to a dusty environment can adversely affect the performance and service life of construction equipment, leaving room for improvement. SUMMARY

[0005] The purpose of the application is to provide a concrete aggregate conveying device to solve the problem of dust generation during the conveying process of the conveying device in windy weather, which causes waste of raw materials and affects the health of construction personnel.

[0006] The concrete aggregate conveying device provided by the application adopts the following technical scheme:

[0007] The utility model provides a concrete aggregate conveying equipment, including the conveying belt of inclined arrangement, the support component for supporting the conveying belt, the support component includes the support of inclined arrangement, the support roller fixed at both ends of support, the support rod symmetrically fixed on the lower side of support, drive piece is fixed on the support of the upper end support roller rotation, the both sides of opposite of support are opened along the length direction of self and are equipped with the guide slide groove, the protective component is equipped above the conveying belt, the protective component includes a plurality of receiving frame slid in the guide slide groove, the flexible protective cover fixedly connected with the outer surface of receiving frame, the locking piece for fixing receiving frame, the flexible protective cover can be adjusted to the unfolded state with the receiving frame sliding, and can protect above the conveying belt in the unfolded state.

[0008] Through adopting the technical scheme, when the aggregate conveying equipment is used in windy weather, because of the installation of the protective component, the staff first installs the receiving frame on the support, then the flexible protective cover can be adjusted to the unfolded state with the receiving frame sliding, finally the installation position of the receiving frame is locked by using the locking piece, so that the conveying belt above can be protected in the unfolded state, and the influence of the windy weather on the aggregate conveying is reduced.

[0009] Optionally, a plurality of guide rollers are arranged side by side on the side of the lower part of the receiving frame towards the guide slide groove and inserted into the guide slide groove.

[0010] Through the above technical scheme, because of the installation of the guide roller, the receiving frame can reciprocate along the length direction of the guide slide groove, so that the stability and smoothness of the receiving frame during sliding adjustment are improved.

[0011] Optionally, the locking piece includes a locking rod hingedly connected to the lower part of the receiving frame, and the other end of the locking rod is detachably connected to the outer peripheral surface of the support rod.

[0012] Through the above technical scheme, because of the application of the locking rod, the user can pull the locking rod to drive the receiving frame to slide, and the user can also lock the lower end of the locking rod to fix the installation position of the receiving frame, so that the use performance is improved.

[0013] Optionally, a locking hole is formed in the end of the locking rod away from the receiving frame, a locking screw hole is formed in the support rod and can coincide with the locking hole, and a locking bolt is arranged below the support and penetrates the locking hole and is screwed into the locking screw hole.

[0014] Through the above technical scheme, when the lower end of the locking rod is locked, the locking hole coincides with the locking screw hole, and then the locking bolt penetrates the locking hole and is screwed into the corresponding locking screw hole, so that the lower end of the locking rod is locked, and the installation position of the receiving frame is locked.

[0015] Optionally, a positioning rod is slidably arranged on the opposite side of the support rod in the vertical direction, and an elastic reset member is arranged on the outer periphery of the support rod to drive the positioning rod to slide upward; the lower end of the locking rod can abut against the upper end of the positioning rod in the fixed state, so that the positioning rod slides downward as a whole until the lower end of the positioning rod is flush with the lower end of the support rod.

[0016] By adopting the above technical scheme, the combination of the positioning rod and the elastic reset member is arranged, when the locking rod is in the fixed state, the lower end of the locking rod is adjusted along the guide slope to abut against the upper end of the positioning rod, and the positioning rod can slide downward as a whole, so as to press the elastic reset member until the lower end of the positioning rod is flush with the lower end of the support rod; when the protection assembly is not installed, the locking rod is dislocated from the positioning rod, the elastic reset member drives the positioning rod to move upward, and the lower end of the positioning rod has a gap with the ground.

[0017] Optionally, a limiting block is fixedly arranged on the outer periphery of the support rod, a limiting through hole is formed in the limiting block to allow the positioning rod to pass through, the elastic reset member includes a reset compression spring in a compressed state and a baffle fixedly arranged above the limiting block, and the two ends of the reset compression spring are fixedly connected to the sides of the baffle and the limiting block that are close to each other.

[0018] By adopting the above technical scheme, the combination of the reset compression spring and the baffle is arranged, when the locking rod abuts against the upper end of the positioning rod, the reset compression spring is pressed; when the locking rod is dislocated from the positioning rod, the reset compression spring resets and presses the baffle, so that the positioning rod moves upward as a whole, so as to facilitate the automatic resetting of the positioning rod.

[0019] Optionally, a guide slope is arranged on the upper end of the positioning rod, an elastic clamping member is arranged on the lower end surface of the locking rod, and a positioning groove is formed in the upper end surface of the positioning rod to allow the elastic clamping member to be clamped therein.

[0020] By adopting the above technical scheme, during the fixing of the locking rod, the lower end of the locking rod is adjusted along the guide slope to abut against the upper end of the positioning rod, so that the elastic clamping member is clamped into the positioning groove, and the combination of the elastic clamping member and the positioning groove further improves the installation of the locking rod in this state.

[0021] Optionally, a scraper is fixedly arranged on the side of the two support rods that are close to each other and is located below the conveying belt, one side of the scraper abuts against the lower side of the conveying belt, and a flexible collecting curtain is arranged below the scraper to collect the scraped impurities.

[0022] By adopting the above technical scheme, during the operation of the conveying belt, the upper side of the scraper abuts against the lower side of the conveying belt, so that the impurities adhered to the surface of the conveying belt are scraped off, and the flexible collecting curtain collects the impurities, which is convenient for subsequent centralized treatment or recycling.

[0023] Optionally, a fixing block is slidably arranged on the opposite side of the support rod in the vertical direction, a hook is fixed on the edge of the flexible collecting curtain, and a hanging ring is fixed on the fixing block for the hook to be clamped in; the positioning rod is provided with a traction member, and the fixing block is driven to move upward by the traction member when the positioning rod slides downward.

[0024] By adopting the above technical scheme, in windy weather, the receiving frame is slidably installed on the support, and the locking rod is fixed on the corresponding support rod, so that the positioning rod slides downward as a whole, and the flexible collecting curtain moves upward as a whole when the positioning rod moves downward, thereby reducing the distance between the flexible collecting curtain and the conveying belt, reducing the possibility of the impurities scraped by the scraper scattering into the air in windy weather, and improving the collection efficiency of the impurities.

[0025] Optionally, the traction member includes a traction wheel rotatably arranged on the vertical side of the support rod and a traction rope wound around the traction wheel, the traction wheel is located above the fixing block, an extension rod is fixed on the outer side of the positioning rod, and the two ends of the traction rope are fixedly connected with the upper side of the fixing block and the end of the extension rod, respectively.

[0026] By adopting the above technical scheme, since the traction wheel and the traction rope are combined, when the positioning rod moves downward, the fixing block is pulled upward by the traction rope, so as to increase the installation height of the hanging ring and the overall height of the flexible collecting curtain; and when the positioning rod slides upward, the fixing block moves downward by its own gravity.

[0027] In summary, the present application has the following beneficial technical effects:

[0028] When the aggregate conveying equipment is used in windy weather, the staff first slidably installs the receiving frame on the support, then the flexible protective cover can be adjusted to the unfolded state with the receiving frame, and finally the installation position of the receiving frame is locked by using the locking member, so as to protect above the conveying belt in the unfolded state, and reduce the influence of windy weather on the conveying of the aggregate. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0031] Figure 2 is a schematic diagram of the local cross-sectional structure of the embodiment of the present application, which shows the installation and cooperation of the protective assembly;

[0032] Figure 3 is a structural schematic view of the mounting distribution of the receiving frame and the flexible protective cover according to an embodiment of the present application;

[0033] Figure 4 is a partial structural schematic view of the mounting cooperation of the elastic reset member according to an embodiment of the present application;

[0034] Figure 5 is a partial sectional structural schematic view of the mounting cooperation of the locking member according to an embodiment of the present application;

[0035] Figure 6 is a partial sectional structural schematic view of the mounting cooperation of the elastic reset member according to an embodiment of the present application; Figure 5 is an enlarged schematic view of part A in FIG. 8;

[0036] Figure 7 is a structural schematic view of the mounting distribution of the scraper according to an embodiment of the present application;

[0037] Figure 8 is a partial structural schematic view of the mounting cooperation of the traction member and the flexible collecting curtain according to an embodiment of the present application.

[0038] In the drawings: 1, conveying belt; 2, support assembly; 21, support frame; 211, guide chute; 22, support roller; 23, support rod; 231, limiting block; 2311, limiting through hole; 24, driving member; 25, scraper; 3, protective assembly; 31, receiving frame; 311, guide roller; 32, flexible protective cover; 33, locking member; 331, locking rod; 3311, placing groove; 332, locking bolt; 34, elastic clamping member; 341, spring; 342, arc-shaped protrusion; 4, positioning rod; 41, guide inclined surface; 42, extension rod; 43, positioning groove; 5, elastic reset member; 51, reset compression spring; 52, baffle; 6, fixing block; 61, hanging ring; 7, flexible collecting curtain; 71, hook; 8, traction member; 81, traction wheel; 82, traction rope. DETAILED DESCRIPTION

[0039] The present application will be further described in detail below with reference to all the drawings.

[0040] Embodiment:

[0041] With reference to Figure 1 A concrete aggregate conveying device, comprising a conveying belt 1 arranged obliquely, and a support assembly 2 for supporting the conveying belt 1, wherein the support assembly 2 comprises a support frame 21 arranged obliquely, two support rollers 22 fixed at both ends of the support frame 21, and three groups of support rods 23 symmetrically fixed to the lower side of the support frame 21, the number of support rods 23 in each group is two, and the two support rods 23 are symmetrically fixed to the support frame 21, and the three groups of support rods 23 are decreasing in height;

[0042] The driving member 24 is a conventional motor, and the driving member 24 drives the support roller 22 to rotate when operating, thereby driving the conveying belt 1 to run.

[0043] With reference to Figure 2 and Figure 3 , the opposite side surfaces of the support frame 21 are provided with guide sliding grooves 211 along the length direction of the support frame 21; the upper side of the conveying belt 1 is provided with a protection assembly 3, wherein the protection assembly 3 comprises three groups of receiving frames 31 slidingly arranged in the guide sliding grooves 211, flexible protection covers 32 fixedly connected to the outer surfaces of the receiving frames 31, and locking members 33 for fixing the receiving frames 31;

[0044] When the aggregate conveying equipment is used in windy weather, the receiving frames 31 are slidingly arranged on the support frame 21, and then the flexible protection covers 32 can be adjusted to an unfolded state along with the receiving frames 31 sliding, and can protect the upper side of the conveying belt 1 in the unfolded state, thereby reducing the influence of the windy weather on the aggregate conveying.

[0045] With reference to Figure 3 , the lower parts of the receiving frames 31 are provided with two guide rollers 311 inserted into the guide sliding grooves 211 on the side surfaces thereof facing the guide sliding grooves 211, so as to facilitate the sliding adjustment of the receiving frames 31 and improve the disassembly and assembly efficiency of the subsequent protection assembly 3, thereby improving the corresponding use performance.

[0046] With reference to Figure 2 and Figure 4 , the locking member 33 comprises a locking rod 331 hingedly connected to the lower part of the receiving frame 31, and the end of the locking rod 331 away from the receiving frame 31 is provided with a locking through hole, and the support rod 23 is provided with a locking screw hole capable of coinciding with the locking through hole, and the lower side of the support frame 21 is provided with a locking bolt 332 penetrating through the locking through hole and then screwed, so as to realize the detachable connection between the lower end of the locking rod 331 and the outer surface of the support rod 23;

[0047] The opposite support rods 23 are provided with a positioning rod 4 slidingly arranged in the vertical direction on the side surfaces thereof away from each other, the length of the positioning rod 4 is adaptively adjusted according to the height of the support rod 23, and the outer periphery of the support rod 23 is provided with an elastic reset member 5 for driving the positioning rod 4 to slide upward; the upper end of the positioning rod 4 is provided with a guide inclined surface 41;

[0048] When the locking rod 331 is in a fixed state, the lower end of the locking rod 331 is adjusted to the state of abutting against the upper end of the positioning rod 4 along the guide inclined surface 41, and the positioning rod 4 can be slid downward as a whole until the positioning rod 4 is flush with the lower end of the support rod 23.

[0049] With reference to Figure 4The outer periphery of the supporting rod 23 is fixed with a limiting block 231, wherein a limiting through hole 2311 is formed in the limiting block 231 for the positioning rod 4 to pass through, and the elastic reset member 5 comprises a reset compression spring 51 in a compressed state and a baffle 52 fixed above the limiting block 231, and the two ends of the reset compression spring 51 are fixedly connected to the sides of the baffle 52 and the limiting block 231 that are close to each other.

[0050] With reference to Figure 5 and Figure 6 The lower end surface of the locking rod 331 is provided with an elastic clamping member 34, wherein the elastic clamping member 34 comprises a spring 341 and an arc-shaped protrusion 342, and the lower end surface of the locking rod 331 is provided with a placing groove 3311 for the spring 341 and the arc-shaped protrusion 342 to be placed in, the spring 341 is pressed against one side of the arc-shaped protrusion 342, so that a part of the arc-shaped protrusion 342 protrudes out of the placing groove 3311, and the outer side surface of the protruding part of the arc-shaped protrusion 342 is an arc surface, and the corresponding arc length of the arc surface is a minor arc;

[0051] The upper end surface of the positioning rod 4 is provided with a positioning groove 43 for the protruding part of the arc-shaped protrusion 342 to be clamped into, and when the lower end surface of the locking rod 331 abuts against the upper end surface of the positioning rod 4, the protruding part of the arc-shaped protrusion 342 is clamped into the inside of the positioning groove 43, so as to further lock the locking rod 331 and improve the installation stability of the locking rod 331.

[0052] With reference to Figure 7 The mutually close sides of the two supporting rods 23 are provided with a scraper 25 below the conveying belt 1 through screw installation, the number of the scrapers 25 is three, which is the same as the group number of the supporting rods 23, and the upper side edge of the scraper 25 abuts against the lower side surface of the conveying belt 1, so as to scrape off the impurities adhered to the surface of the conveying belt 1. The lower side of the scraper 25 is provided with a flexible collecting curtain 7 for collecting the scraped-off impurities, which can collect the scraped-off impurities and make them slide downward along the inclined surface to the ground below the lowest position, so as to reduce the possibility that the scraped-off impurities are directly scattered on the ground and are difficult to clean.

[0053] With reference to Figure 7 and Figure 8 The mutually close sides of the two supporting rods 23 are provided with a fixed block 6 in the vertical direction, a hook 71 is fixed on the edge of the flexible collecting curtain 7, and a hanging ring 61 for the hook 71 to be clamped into is fixed on the fixed block 6; the positioning rod 4 is provided with a traction member 8, and when the positioning rod 4 slides downward, the fixed block 6 moves upward through the traction member 8, and when the positioning rod 4 slides upward, the fixed block 6 moves downward through its own gravity. In other embodiments, a counterweight can also be additionally provided.

[0054] The traction member 8 comprises a traction wheel 81 rotatably arranged on the vertical side of the supporting rod 23 and a traction rope 82 wound around the traction wheel 81, wherein the traction wheel 81 is located above the fixed block 6, the outer side of the positioning rod 4 is provided with an extension rod 42, and the two ends of the traction rope 82 are fixedly connected with the upper side of the fixed block 6 and the end of the extension rod 42 respectively; when the positioning rod 4 moves downward, the flexible collecting curtain 7 moves upward as a whole, and the distance between the flexible collecting curtain 7 and the conveying belt 1 is reduced; when the positioning rod 4 moves upward, the flexible collecting curtain 7 moves downward as a whole, and the distance between the flexible collecting curtain 7 and the conveying belt 1 is increased.

[0055] In other embodiments, the inside of the flexible collecting curtain 7 can be provided with a bendable skeleton (copper wire, etc.), which forms a downward groove along the length direction of the flexible collecting curtain 7 (not shown in the figure), so as to better reduce the spilling of impurities collected on the flexible collecting curtain 7 from the edge; in addition, a collecting box (not shown in the figure) can also be installed below the lowest part of the flexible collecting curtain 7, so as to better collect the impurities on the flexible collecting curtain 7.

[0056] The implementation principle of the embodiment of the application is as follows:

[0057] In windy weather, the receiving frame 31 is slidably installed on the support 21, the receiving frame 31 can be quickly slidably adjusted by the locking rod 331, then the flexible protective cover 32 can be adjusted to the unfolded state by sliding with the receiving frame 31, and then the locking rod 331 is fixed on the corresponding supporting rod 23.

[0058] During the fixing process of the locking rod 331, the lower end of the locking rod 331 is adjusted to the state of abutting against the upper end of the positioning rod 4 along the guide inclined surface 41, the protruding part of the arc-shaped protrusion 342 is clamped into the inside of the positioning groove 43, and at the same time, the positioning rod 4 is slid downward as a whole until the positioning rod 4 is flush with the lower end of the supporting rod 23; and when the positioning rod 4 moves downward, the flexible collecting curtain 7 moves upward as a whole, so as to reduce the distance between the flexible collecting curtain 7 and the conveying belt 1.

[0059] Unless otherwise defined, the terms used in the present application shall be understood as follows: the terms used in the present application should be understood as having the meanings commonly used by those skilled in the art to which the present application belongs, unless otherwise defined. The terms "first", "second", "third" and the like used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "one" or "a" and the like do not represent a quantity limitation, but represent the existence of at least one. The terms "including", "containing" and the like mean that the elements or objects before the terms "including" or "containing" cover the elements or objects listed after the terms "including" or "containing" and their equivalents, and do not exclude other elements or objects. The terms "upper", "lower", "left", "right" and the like only represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships may also be changed accordingly.

[0060] The embodiments of the present specific implementation are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A concrete aggregate conveying device, comprising an inclined conveyor belt (1) and a support assembly (2) for supporting the conveyor belt (1), wherein the support assembly (2) comprises an inclined bracket (21), support rollers (22) fixed at both ends of the bracket (21), and a plurality of support rods (23) symmetrically fixed at the lower side of the bracket (21); a driving member (24) for driving the upper support rollers (22) to rotate is fixed on the bracket (21), and guide grooves (211) are provided on opposite sides of the bracket (21) along its own length direction; Its features are, A protective assembly (3) is provided above the conveyor belt (1). The protective assembly (3) includes several receiving frames (31) that slide in the guide groove (211), a flexible protective cover (32) that is fixedly connected to the outer surface of the receiving frame (31), and a locking member (33) for fixing the receiving frame (31). The flexible protective cover (32) can be adjusted to the unfolded state as the receiving frame (31) slides, and can protect the area above the conveyor belt (1) in the unfolded state. The locking member (33) includes a locking rod (331) with one end hinged to the lower part of the receiving frame (31), and the other end of the locking rod (331) is detachably connected to the outer peripheral surface of the support rod (23); a positioning rod (4) is slidably provided on the two sides of the support rod (23) that are far apart from each other in the vertical direction; an elastic reset member (5) is provided on the outer periphery of the support rod (23) to drive the positioning rod (4) to slide upward; the lower end of the locking rod (331) can abut against the upper end of the positioning rod (4) in a fixed state, so that the positioning rod (4) slides downward as a whole until the positioning rod (4) is flush with the lower end of the support rod (23); On the adjacent sides of the two opposing support rods (23), scrapers (25) located below the conveyor belt (1) are fixedly provided, one side of the scraper (25) abutting against the lower side of the conveyor belt (1); a flexible collection curtain (7) for collecting scraped impurities is provided below the scraper (25). Fixing blocks (6) are slidably provided on the sides of the two opposing support rods (23) that are close to each other in the vertical direction. Hooks (71) are fixed on the edge of the flexible collection curtain (7). Hanging rings (61) for hooks (71) to be inserted are fixed on the fixing blocks (6). A traction member (8) is provided on the positioning rod (4). When the positioning rod (4) slides downward, the fixing blocks (6) are moved upward through the traction member (8).

2. The concrete aggregate conveying equipment according to claim 1, characterized in that, The receiving frame (31) has several guide rollers (311) arranged side by side on the side facing the guide groove (211) at the bottom. These guide rollers are inserted into the guide groove (211).

3. The concrete aggregate conveying equipment according to claim 1, characterized in that, The locking rod (331) has a locking through hole at the end away from the receiving frame (31), the support rod (23) has a locking screw hole that can coincide with the locking through hole, and the bracket (21) has a locking bolt (332) screwed into the locking through hole below it.

4. The concrete aggregate conveying equipment according to claim 1, characterized in that, A limiting block (231) is fixed on the outer periphery of the support rod (23). A limiting through hole (2311) for the positioning rod (4) to pass through is provided on the limiting block (2311). The elastic reset member (5) includes a reset spring (51) in a compressed state and a baffle (52) fixed above the limiting block (231). The two ends of the reset spring (51) are fixedly connected to the sides of the baffle (52) and the limiting block (231) that are close to each other.

5. A concrete aggregate conveying device according to claim 1, characterized in that, The upper end edge of the positioning rod (4) is provided with a guide slope (41), the lower end face of the locking rod (331) is provided with an elastic snap-fit ​​(34), and the upper end face of the positioning rod (4) is provided with a positioning groove (43) for the elastic snap-fit ​​(34) to be snapped into.

6. A concrete aggregate conveying device according to claim 1, characterized in that, The traction component (8) includes a traction wheel (81) rotatably mounted on the vertical side of the support rod (23) and a traction rope (82) wound around the traction wheel (81). The traction wheel (81) is located above the fixed block (6). An extension rod (42) is fixedly mounted on the outer side of the positioning rod (4). The two ends of the traction rope (82) are fixedly connected to the upper side of the fixed block (6) and the end of the extension rod (42), respectively.

Citation Information

Patent Citations

  • Dustproof conveyor for conveying aggregate gravel

    CN116605592A

  • Dust shielding device for yellow sand conveying mechanism

    CN212607485U