CN210449478U - Feed chute structure of pre-crusher equipment - Google Patents
Feed chute structure of pre-crusher equipment Download PDFInfo
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- CN210449478U CN210449478U CN201921052855.3U CN201921052855U CN210449478U CN 210449478 U CN210449478 U CN 210449478U CN 201921052855 U CN201921052855 U CN 201921052855U CN 210449478 U CN210449478 U CN 210449478U
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Abstract
The utility model provides a feed chute structure of pre-crusher equipment, which comprises a stress rod, a manual piece, a sealing piece, an embedded groove, a guide groove, a slide block, a support rod, a baffle, an inner bin, a limit groove and a fixed rod; the two sides of the left end of the main body are of inclined structures, the inside of the main body is of a groove structure, and moreover, the two sides of the bottom of the right end of the main body are provided with a movable rod and a movable wheel; the top of support piece is connected with the left end bottom both sides of main part through the welded mode, and the support piece here is used for installing in the left end bottom of main part, makes this device when using, can use through support piece and sill bar cooperation, thereby adjusts the height of main part left end, makes the main part can be in different heights, thereby makes this device when adding the material, can control the removal of material and add speed, makes the material add quicker, and the inner chamber is then the top that is used for imbedding the connecting rod.
Description
Technical Field
The utility model belongs to the technical field of the feed chute, more specifically say, in particular to feed chute structure of shredder equipment in advance.
Background
The feeding chute is also called a guide chute, is a structure arranged at the receiving position of various devices, and can guide and guide materials needing to enter for processing.
For example, application No.: CN201320630994.6 relates to an easy-cleaning dryer feed chute, which comprises a conveyor belt, a feed chute connected with the conveyor belt, a dryer connected with the feed chute, a hot air inlet arranged below the feed chute and communicated with the dryer, and material raising plates arranged at the top and the bottom in the dryer, wherein the feed chute is a cylindrical chute, and an angle a formed by the feed chute and the ground is more than 30 degrees and less than 90 degrees; the length h of the cylindrical chute is 3.5 m; the diameter d of the cylindrical chute is 0.6 m; the cylindrical chute is made of an iron plate. The utility model discloses simple structure, design science, convenient to use, do benefit to the clearance, on the basis that does not influence equipment function, steady operation equipment, solved feed chute inner wall edges and corners department and easily glued fertilizer, cause the problem of jam. In addition, the machine does not need to be stopped for cleaning, and the production efficiency is improved.
Based on equipment discovery among the prior art, current breaker feed chute in advance is when using, and convenient removal is not perfect enough with the structure of adjusting the gradient, thereby is not convenient for adjust the falling speed of gradient control material, and current breaker feed chute in advance when using, and the structure that the control material got into one by one is perfect inadequately, is not convenient for control appropriate amount of material and gets into according to the demand.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a feed chute structure of a pre-crusher device is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a feed chute structure of rubbing crusher equipment in advance to solve current rubbing crusher feed chute in advance when using, convenient removal is perfect inadequately with the structure of adjusting the gradient, thereby is not convenient for adjust the falling speed of gradient control material, and current rubbing crusher feed chute in advance when using, and the structure that the control material got into one by one is perfect inadequately, is not convenient for control the problem that the appropriate amount of material got into according to the demand.
The utility model discloses purpose and efficiency of feed chute structure of shredder equipment in advance are reached by following specific technological means:
a feed chute structure of pre-crusher equipment comprises a main body, a supporting piece, an inner cavity, a bottom rod, a connecting rod, a spring plate, a contact piece, an extending piece, a contact wheel, a stress rod, a manual piece, a sealing piece, an embedded groove, a guide groove, a sliding block, a supporting rod, a baffle, an inner bin, a limiting groove and a fixing rod; the two sides of the left end of the main body are of inclined structures, the inside of the main body is of a groove structure, and moreover, the two sides of the bottom of the right end of the main body are provided with a movable rod and a movable wheel; the top end of the supporting piece is connected with two sides of the bottom of the left end of the main body in a welding mode, the bottom of the bottom rod is provided with a bottom wheel, the middle position of the top end of the bottom rod is provided with a connecting rod in a welding mode, the outer side of the connecting rod is provided with threads, and adjusting rods are arranged on two sides of the top end of the bottom rod; the left end of the extension piece is installed inside the bottom of the right end of the main body in an embedded mode, two sides above the inner end of the extension piece are connected through the bottom of the stress rod, and the top end of the stress rod is connected with the bottom of the manual piece; the top end of the manual part is provided with anti-skid grains, and the sealing parts are arranged inside two sides of the right end of the main body in a bonding mode; the inner side of the spring plate is connected with the two sides of the right end of the main body in a welding mode; a spring is arranged in the guide groove, the right end of the spring is connected with the left end of the sliding block, the outer end of the sliding block is connected with the supporting rod through a connecting shaft, and the right end of the supporting rod is connected with the middle position of the side edge of the baffle through the connecting shaft; the inner of baffle is connected with the inside of embedded groove through the connecting axle to the left end top of embedded groove is equipped with the slot, and moreover, the inside intermediate position of main part is equipped with the slot of circular structure.
Furthermore, the support piece is of a cylindrical structure, an inner cavity is formed in the support piece, threads are arranged at the bottom of the inner cavity, and the top end of the connecting rod is embedded in the inner cavity.
Furthermore, the extension piece is rectangular plate-shaped structure, the right end of the extension piece is wedge-shaped structure, and a plurality of contact wheels are installed at the bottom of the inner end of the extension piece through a connecting plate and a rotating shaft.
Furthermore, the hand piece is of a rectangular structure, the top end of the hand piece is of an arc structure, an auxiliary plate is arranged at the bottom of the left end of the hand piece, and the sealing element is made of plate-shaped rubber.
Furthermore, the spring plate is of a rectangular plate-shaped structure, the right side of the spring plate is of a wedge-shaped structure, and the contact piece made of rubber with the wedge-shaped structure is mounted on the inner side of the spring plate in a bonding mode.
Further, the embedded groove is of a rectangular structure, the right end of the embedded groove is of a wedge-shaped structure, a guide groove of the rectangular structure is arranged in the middle of the inside of the embedded groove, and a sliding block of a T-shaped structure is installed in the guide groove in an embedded mode.
Further, the baffle is rectangular plate-shaped structure, and the outer end of baffle is equipped with the interior storehouse of cylindrical structure, and the outer end in interior storehouse is equipped with the spacing groove, and the inside in interior storehouse is installed in the dead lever embedding.
Compared with the prior art, the utility model discloses following beneficial effect has:
in the device, a supporting piece and a baffle plate are arranged, the supporting piece is used for being arranged at the bottom of the left end of a main body, when the device is used, the supporting piece and a bottom rod are matched for use, so that the height of the left end of the main body is adjusted, the main body can be at different heights, the device can control the moving adding speed of materials when the materials are added, the materials are added more quickly, an inner cavity is used for being embedded into the top end of a connecting rod, the connecting rod cannot be separated after being installed, a thread at the bottom of the inner cavity is used for being in contact with the outer side of the connecting rod, the connecting rod can be adjusted in height through threads when rotating, the height of the left end of the main body is controlled, the bottom rod plays a role in contacting with the ground through a bottom wheel at the bottom end of the main body, and when the device is needed to be used, can be adjusted to a proper position, and can also be applied to different devices for use;
the baffle plate is arranged in the main body, so that when materials enter, different quantities of materials can be blocked by the baffle plate, so that the materials with different quantities can be temporarily stored in the main body, when the materials are added, the materials can enter according to proper quantities, the inner end of the baffle plate is connected with the inside of the embedded groove through the connecting shaft, the baffle plate can be embedded and arranged in the embedded groove when not used, so that the baffle plate does not influence the use, the inner bin is used for enabling the fixed rod to move in the inner bin, when the baffle plate is embedded, the top end of the fixed rod can be inserted into the slot at the top end in the embedded groove, when the baffle plate is used, the bottom end of the fixed rod can be inserted into the slot in the main body, and the limiting groove is used for enabling the fixed rod to rotate in the inner bin, make the dead lever can fix at different heights to fix the baffle in different positions, thereby solved when using, convenient removal is perfect inadequately with the structure of adjusting the gradient, thereby is not convenient for adjust the falling speed of gradient control material, and current feed chute of crusher in advance when using, and the structure that the control material got into one by one is perfect inadequately, is not convenient for control the problem that the right amount of material got into according to the demand.
Drawings
Fig. 1 is a schematic view of the three-dimensional and partially enlarged structure of the present invention.
Fig. 2 is a schematic diagram of a partially enlarged structure of a portion a of the present invention, which is drawn from fig. 1.
Fig. 3 is a schematic view of the main body of the present invention.
Fig. 4 is a schematic diagram of the baffle of the present invention showing a side view of the internal structure.
Fig. 5 is a schematic view of the local front view internal structure of the supporting member of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 101. a support member; 102. an inner cavity; 103. a bottom bar; 104. a connecting rod; 105. a spring plate; 106. a contact member; 2. an extension member; 201. a contact wheel; 202. a stress beam; 203. a hand piece; 204. a seal member; 3. a groove is embedded; 301. a guide groove; 302. a slider; 303. a support bar; 4. a baffle plate; 401. an inner bin; 402. a limiting groove; 403. fixing the rod; .
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the utility model provides a feed chute structure of pre-crusher equipment, including main part 1, support piece 101, inner chamber 102, sill bar 103, connecting rod 104, spring plate 105, contact 106, extension 2, contact wheel 201, stress bar 202, hand-piece 203, sealing member 204, embedded groove 3, guide way 301, slider 302, bracing piece 303, baffle 4, interior storehouse 401, spacing groove 402 and dead lever 403; the two sides of the left end of the main body 1 are of inclined structures, the inside of the main body 1 is of a groove structure, and moreover, the two sides of the bottom of the right end of the main body 1 are provided with a movable rod and a movable wheel; the top end of the supporting piece 101 is connected with two sides of the bottom of the left end of the main body 1 in a welding mode, the bottom of the bottom rod 103 is provided with a bottom wheel, the middle position of the top end of the bottom rod 103 is provided with a connecting rod 104 in a welding mode, the outer side of the connecting rod 104 is provided with threads, and the two sides of the top end of the bottom rod 103 are provided with adjusting rods; the left end of the extension piece 2 is arranged in the bottom of the right end of the main body 1 in an embedded mode, two sides above the inner end of the extension piece 2 are connected through the bottom of the stress rod 202, and the top end of the stress rod 202 is connected with the bottom of the manual piece 203; the top end of the hand piece 203 is provided with anti-skid lines, and the sealing piece 204 is arranged inside the two sides of the right end of the main body 1 in a bonding mode; the inner side of the spring plate 105 is connected with the two sides of the right end of the main body 1 in a welding mode; a spring is arranged in the guide groove 301, the right end of the spring is connected with the left end of the sliding block 302, the outer end of the sliding block 302 is connected with the supporting rod 303 through a connecting shaft, and the right end of the supporting rod 303 is connected with the middle position of the side edge of the baffle 4 through the connecting shaft; the inner of baffle 4 is connected with the inside of embedded groove 3 through the connecting axle to embedded groove 3's left end top is equipped with the slot, and in addition, the inside intermediate position of main part 1 is equipped with the slot of circular structure.
Wherein, the supporting member 101 is a cylindrical structure, the inner cavity 102 is arranged inside the supporting member 101, the bottom of the inner cavity 102 is provided with threads, and the top end of the connecting rod 104 is embedded inside the inner cavity 102, the supporting member 101 is arranged at the bottom of the left end of the main body 1, so that when the device is used, the supporting member 101 can be used in cooperation with the bottom rod 103 to adjust the height of the left end of the main body 1, so that the main body 1 can be at different heights, and the device can control the moving and adding speed of materials when adding materials, so that the materials can be added more quickly, the inner cavity 102 is used for being embedded into the top end of the connecting rod 104, so that the connecting rod 104 cannot be separated after being installed, the threads at the bottom of the inner cavity 102 are used for being in contact with the outer side of the connecting rod 104, so that the connecting rod 104 rotates, can carry out the height adjustment through the screw thread to the height of control main part 1 left end, but bottom rod 103 has then played the effect through return pulley and ground contact in main part 1 bottom, makes this device when needs use, can adjust to suitable position, also can be applied to different equipment and use.
Wherein, extension 2 is the rectangular plate structure, and the right-hand member of extension 2 is the wedge structure, and the inner bottom of extension 2 installs several contact wheel 201 through connecting plate and pivot, extension 2 here is used for installing the right-hand member at main part 1, make main part 1 be connected with the precomminutor when using, can extend the position of inserting or contacting the precomminutor feed inlet through extension 2, make the material when adding, can not be extravagant, and the right-hand member of extension 2 is the wedge structure, be in order to make the material when passing through, can be more smooth, contact wheel 201 has then played and has installed and contact in the bottom of extension 2 and the inside bottom of main part 1, make extension 2 when extending the use, can be more smooth.
The manual piece 203 is of a rectangular structure, the top end of the manual piece 203 is of an arc-shaped structure, an auxiliary plate is arranged at the bottom of the left end of the manual piece 203, the sealing piece 204 is made of sheet rubber, the manual piece 203 is used manually, when the manual piece 203 is moved manually, the extension piece 2 can be driven by the stress rod 202 to move, the top end of the manual piece 203 is of an arc-shaped structure and is provided with anti-slip threads, so that when the manual piece 203 is in contact with and moves by a hand of a human body, the manual piece can move more quickly, the auxiliary plate plays a role in pushing the manual piece 203 at the side, and the sealing piece 204 plays a role in turning over a groove through which the stress rod 202 passes for sealing, so that materials or dust are prevented from entering and blocking.
The spring plate 105 is of a rectangular plate-shaped structure, the right side of the spring plate 105 is of a wedge-shaped structure, the inner side of the spring plate 105 is provided with a contact 106 made of rubber with the wedge-shaped structure in a bonding mode, the spring plate 105 is used for being mounted on two sides of the right end of the main body 1 and being temporarily in contact connection with the pre-crusher, the right end of the spring plate 105 is of the wedge-shaped structure and is used for enabling two sides of the pre-crusher to better pass through, so that the spring plate is in contact with the contact 106 made of rubber, and the contact 106 can be used for preventing skidding.
Wherein, the embedded groove 3 is of a rectangular structure, the right end of the embedded groove 3 is of a wedge-shaped structure, the middle position in the embedded groove 3 is provided with a guide groove 301 of the rectangular structure, a slider 302 of a T-shaped structure is embedded in the guide groove 301, the embedded groove 3 is used for embedding and installing the baffle 4, when the baffle 4 is not used, the baffle 4 can be installed in the embedded groove 3 without influencing the passing of materials, the right end of the embedded groove 3 is of the wedge-shaped structure, when the limit of the materials is removed by the overturning of the baffle 4, the overturning angle of the baffle 4 is larger, so that the materials pass, the guide groove 301 is used for installing a spring and the slider 302, so that the spring can support the slider 302 to move, when the limit of the baffle 4 is removed preliminarily, the spring can push the slider 302, so that the slider 302 drives the support rod 303 to push and overturn the baffle 4, so that the baffle 4 can block the right amount of materials.
Wherein, the baffle 4 is a rectangular plate structure, the outer end of the baffle 4 is provided with an inner bin 401 with a cylindrical structure, the outer end of the inner bin 401 is provided with a limit groove 402, and the fixing rod 403 is embedded and installed inside the inner bin 401, the baffle 4 is installed inside the main body 1, when materials enter, different quantities of materials can be blocked by the baffle 4, so that the different quantities of materials can be temporarily stored inside the main body 1, when materials are added, the materials can enter according to proper quantity, the inner end of the baffle 4 is connected with the inside of the embedded groove 3 through a connecting shaft, in order to enable the baffle 4 to be embedded and installed inside the embedded groove 3 when the baffle 4 is not used, so that the baffle 4 does not influence the use, the inner bin 401 is used for enabling the fixing rod 403 to move inside, so that the baffle 4 is embedded, the top end of the fixing rod 403 can be inserted into the slot at the top end inside the embedded slot 3, and when the baffle 4 is used, the bottom end of the fixing rod 403 can be inserted into the slot inside the main body 1, and the limiting slot 402 is used for enabling the fixing rod 403 to rotate inside, so that the fixing rod 403 can be fixed at different heights, and the baffle 4 can be fixed at different positions.
The specific use mode and function of the embodiment are as follows:
in the utility model, firstly, the device is pushed by manpower, the device is pushed to the position of the pre-crusher, then the main body 1 is controlled, two sides of the pre-crusher are inserted into the spring plate 105, the contact element 106 is contacted with the pre-crusher, then the manual element 203 is pushed by manpower, the manual element 203 drives the extension element 2 to move outwards through the stress rod 202, so that the outer end of the extension element 2 is close to or contacted with the feed inlet of the pre-crusher, then the bottom rod 103 drives the connecting rod 104 to rotate through the manpower rotation adjusting rod, the connecting rod 104 jacks up the support element 101 and the left end of the main body 1, the main body 1 can be at a proper inclined height, thereby controlling the outflow of materials, then the materials are added above the left end of the main body 1 through manpower control, so that the materials are guided to enter the interior of the pre-crusher, when the proper amount of the materials is controlled, can stimulate the outer end of dead lever 403 through the manpower, make the top of dead lever 403 extract from the inside slot of embedded groove 3, make baffle 4 be relieved spacingly, make baffle 4 upset when appropriate position, then inside the slot of main part 1 inside is inserted to the bottom of control dead lever 403, then add the material, then another baffle 4 of controling uses, when needs add the material, through the outer end of the direct pulling dead lever 403 of manpower, make baffle 4 be relieved spacingly, thereby make the inside that proper amount of material entered into the precomminutor.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a feed chute structure of shredder equipment in advance which characterized in that: this feed chute structure of pre-crusher equipment includes:
the device comprises a main body (1), a supporting piece (101), an inner cavity (102), a bottom rod (103), a connecting rod (104), a spring plate (105), a contact piece (106), an extending piece (2), a contact wheel (201), a stress rod (202), a manual piece (203), a sealing piece (204), an embedded groove (3), a guide groove (301), a sliding block (302), a supporting rod (303), a baffle plate (4), an inner bin (401), a limiting groove (402) and a fixing rod (403);
the two sides of the left end of the main body (1) are of an inclined structure, the inside of the main body (1) is of a groove structure, and moreover, the two sides of the bottom of the right end of the main body (1) are provided with a movable rod and a movable wheel; the top end of the supporting piece (101) is connected with two sides of the bottom of the left end of the main body (1) in a welding mode, a bottom wheel is arranged at the bottom of the bottom rod (103), a connecting rod (104) is arranged in the middle of the top end of the bottom rod (103) in a welding mode, threads are arranged on the outer side of the connecting rod (104), and adjusting rods are arranged on two sides of the top end of the bottom rod (103); the left end of the extension piece (2) is installed inside the bottom of the right end of the main body (1) in an embedded mode, two sides above the inner end of the extension piece (2) are connected through the bottom of the stress rod (202), and the top end of the stress rod (202) is connected with the bottom of the manual piece (203); the top end of the manual piece (203) is provided with anti-skid grains, and the sealing piece (204) is arranged inside two sides of the right end of the main body (1) in a bonding mode; the inner side of the spring plate (105) is connected with the two sides of the right end of the main body (1) in a welding mode; a spring is arranged in the guide groove (301), the right end of the spring is connected with the left end of the sliding block (302), the outer end of the sliding block (302) is connected with the supporting rod (303) through a connecting shaft, and the right end of the supporting rod (303) is connected with the middle position of the side edge of the baffle (4) through the connecting shaft; the inner of baffle (4) is connected with the inside of embedded groove (3) through the connecting axle to the left end top of embedded groove (3) is equipped with the slot, and moreover, the inside intermediate position of main part (1) is equipped with the slot of circular structure.
2. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: the supporting piece (101) is of a cylindrical structure, an inner cavity (102) is formed in the supporting piece (101), threads are arranged at the bottom of the inner cavity (102), and the top end of the connecting rod (104) is embedded in the inner cavity (102).
3. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: the extension piece (2) is of a rectangular plate-shaped structure, the right end of the extension piece (2) is of a wedge-shaped structure, and a plurality of contact wheels (201) are mounted at the bottom of the inner end of the extension piece (2) through a connecting plate and a rotating shaft.
4. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: the hand piece (203) is of a rectangular structure, the top end of the hand piece (203) is of an arc structure, an auxiliary plate is arranged at the bottom of the left end of the hand piece (203), and the sealing piece (204) is made of a plate-shaped rubber material.
5. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: the spring plate (105) is of a rectangular plate-shaped structure, the right side of the spring plate (105) is of a wedge-shaped structure, and a contact piece (106) made of rubber with the wedge-shaped structure is mounted on the inner side of the spring plate (105) in an adhesion mode.
6. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: the embedded groove (3) is of a rectangular structure, the right end of the embedded groove (3) is of a wedge-shaped structure, the guide groove (301) of the rectangular structure is arranged in the middle of the inside of the embedded groove (3), and the sliding block (302) of the T-shaped structure is installed in the guide groove (301) in an embedded mode.
7. A feed chute arrangement for a pre-crusher device as claimed in claim 1, wherein: baffle (4) are rectangle platelike structure, and the outer end of baffle (4) is equipped with interior storehouse (401) of cylindrical structure, and the outer end in interior storehouse (401) is equipped with spacing groove (402), and dead lever (403) embedding is installed in the inside in interior storehouse (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052855.3U CN210449478U (en) | 2019-07-08 | 2019-07-08 | Feed chute structure of pre-crusher equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921052855.3U CN210449478U (en) | 2019-07-08 | 2019-07-08 | Feed chute structure of pre-crusher equipment |
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| Publication Number | Publication Date |
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| CN210449478U true CN210449478U (en) | 2020-05-05 |
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| CN201921052855.3U Active CN210449478U (en) | 2019-07-08 | 2019-07-08 | Feed chute structure of pre-crusher equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844784A (en) * | 2021-02-05 | 2021-05-28 | 广州物真五金有限公司 | Crusher for waste building structures |
-
2019
- 2019-07-08 CN CN201921052855.3U patent/CN210449478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844784A (en) * | 2021-02-05 | 2021-05-28 | 广州物真五金有限公司 | Crusher for waste building structures |
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