CN111502752A - Mine backfilling machine - Google Patents
Mine backfilling machine Download PDFInfo
- Publication number
- CN111502752A CN111502752A CN202010476816.7A CN202010476816A CN111502752A CN 111502752 A CN111502752 A CN 111502752A CN 202010476816 A CN202010476816 A CN 202010476816A CN 111502752 A CN111502752 A CN 111502752A
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- supporting
- sliding
- ball
- sleeve
- mine
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000004080 punching Methods 0.000 claims description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 9
- 239000011707 mineral Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 4
- 238000005065 mining Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000004575 stone Substances 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 5
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a mine backfilling machine which structurally comprises a cab, a hydraulic lifting arm, a hydraulic rod, an ore soil back-shoveling device, wheels, an auxiliary ladder and a frame, wherein the cab is welded with the auxiliary ladder, the hydraulic rod is movably connected with the ore soil back-shoveling device, the hydraulic rod is fixedly connected with the frame, the cab is welded with the frame, two groups of wheels which are big and small are arranged at the front and the rear of the frame, the front wheels are small, and the hydraulic lifting arm is welded with the ore soil back-shoveling device, meanwhile, the sliding support ball is restrained by the expansion of the side support mechanism and can protrude outwards, so that the friction force of the contact surface of the rigid collet and the stone block on the upper surface is reduced, and the rigid collet and the stone block can be separated, the intact morphology can be maintained even if direct impact occurs with large stones during the shoveling and pushing process.
Description
Technical Field
The invention belongs to the field of ore machinery, and particularly relates to a mine backfilling machine.
Background
When the mine is mined, pits are generated along with the deep mining, the pits need to be refilled, waste stone materials and soil materials in the original mining process need to be transported and refilled through a mine backfilling machine, and therefore the mountain body in a high area can be recovered.
Based on the above description, the inventor finds that the existing mine backfilling machine mainly has the following defects, such as:
because carry out the in-process that the bull-dozer backfilled to the pit at the mine backfiller, because at the in-process that the ore was excavated, can have great stone in its abandonment soil stone, and the shovel in the backfiller pushes away the mechanism and goes up and to have dentate structure, when it assaults on great stone, the cracked condition of rack appears easily, because its in-process that can push away at the shovel, have the guide and hold the effect at the end to great stone, in case the fracture can become comparatively difficult to the shovel process of big stone.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mine backfiller which aims to solve the problems that in the existing process of backfilling a pit by using a bulldozer, in the ore excavating process, large stone blocks exist in waste earth and stone, and a shoveling and pushing mechanism in the backfiller is provided with a toothed structure, so that when the shoveling and pushing mechanism impacts on the large stone blocks, the situation that a rack is broken easily occurs, and in the shoveling and pushing process, the large stone blocks can be guided and supported by the shoveling and pushing mechanism, and once the large stone blocks are broken, the shoveling process of the large stone blocks becomes difficult.
Aiming at the defects of the prior art, the invention provides the purpose and the effect of a mine backfilling machine, which are achieved by the following specific technical means: the utility model provides a mine backfiller, its structure includes that driver's cabin, hydraulic pressure lift arm, hydraulic stem, mineral soil return shovel device, wheel, assist ladder, frame, the driver's cabin welds with assisting the ladder mutually, the hydraulic stem returns shovel device swing joint with mineral soil, the hydraulic stem is in the same place with frame fixed connection, the driver's cabin welds with the frame mutually, it is small slightly to be equipped with two sets of big one's wheels and front wheels around the frame, hydraulic pressure lift arm returns shovel device with mineral soil and welds mutually.
The mine soil shoveling device comprises a guard bar, a shovel sleeve, a reinforcing bar and a rigid punching and adjusting mechanism, wherein the guard bar is welded on the outer side surface of the shovel sleeve, the reinforcing bar is welded and fixed inside the shovel sleeve, and the rigid punching and adjusting mechanism is installed on the side surface of the lower end of the shovel sleeve in an embedded mode.
Preferably, the rigid punching and adjusting mechanism comprises a side supporting mechanism, a rigid collet, an inner fragment, an elastic sleeve and a guide rod, wherein the side supporting mechanism is movably arranged inside the rigid collet, the inner fragment is welded with the rigid collet, the elastic sleeve is fixedly arranged inside the rigid collet, the guide rod is arranged inside the rigid collet in an embedded mode, an elastic strip made of spring steel is arranged inside the elastic sleeve, and the elastic strip is installed in the rigid collet in a staggered mode, so that the elastic strip has reverse acting elasticity in a deformed state after being stressed.
Preferably, the side supporting mechanism comprises a sliding strip, a supporting handle, a rotary piece, a sliding supporting ball, a soft rubber sleeve and a bottom supporting rod, the sliding strip is installed on the upper side face of the bottom supporting rod in an embedded mode, the bottom supporting rod is movably connected with the supporting handle, the soft rubber sleeve is fixed at the tail of the supporting handle, the supporting handle is connected with the side face of the rigid collet claw through the rotary piece, the sliding supporting ball is fixedly connected with the supporting handle, the bottom supporting rod is movably connected with the supporting handle through a shaft rod, and a groove which is sunken towards the inside is formed in the connecting position of the bottom supporting rod.
Preferably, the sliding ball includes end stay, side direction hasp, pulls strip, soft cover piece, sliding ball, the side direction hasp is equipped with two altogether and is located the sliding ball left and right sides, the laminating of soft cover piece and sliding ball lateral surface, pull strip and soft cover piece fixed connection together, the end stay embedding is in the sliding ball bottom, and the end stay can be through pulling of pulling the strip, and then can prop up the sliding ball perpendicularly through sliding.
Preferably, the sliding ball comprises a ball body, a jacking line, a sliding sheet and a through groove, the through groove is formed in the middle of the ball body, the jacking line penetrates through the ball body through the through groove, the sliding sheet is installed at the bottom of the ball body in an embedded mode, and the friction force between the sliding sheet and the external stone can be reduced for the contact surface of the external stone in a state that the ball body is outwards propped out, so that the whole device can be separated from the stone at the angle.
Preferably, the bottom stay comprises a lock hole, an oblique stay and a guide bar, the guide bar is fixedly installed below the oblique stay, the lock hole is formed in the left side of the guide bar, one side of the oblique stay is lower than the other side of the oblique stay and higher than the other side of the oblique stay, and the height difference is excessive through the arc-shaped curve.
Preferably, the number of the soft sleeve sheets is three, the soft sleeve sheets are only attached to the outer side face of the ball body in an attaching mode, the soft sleeve sheets are made of rubber thin sheets and mainly used for isolating fine sand on the outer portion from entering the inner portion.
Preferably, the inner side of the soft rubber sleeve is provided with folds, the support handle can be assisted by unfolding and folding of the folds, the soft rubber sleeve is made of rubber materials, and the soft rubber sleeve still has rebounding reset tension after being unfolded and deformed.
Compared with the prior art, the invention has the following advantagesAdvantageous effects：
According to the invention, in the process that the rigid collet impacts a large stone block, the rigid collet can be embedded into the rigid collet in a sliding manner and can apply pressure to the elastic sleeve by virtue of the staggered installation of the elastic sleeve and the rigid collet, so that the impact force is relieved, meanwhile, the side supporting mechanism can be unfolded towards the side surface, reinforcing ribs are formed on the left side and the right side of the rigid collet, and the sliding supporting ball is restrained by the unfolding of the side supporting mechanism and can protrude outwards, so that the friction force of the contact surface between the rigid collet and the stone block on the upper surface is reduced, and the rigid collet can be separated from the stone block, and the integral form can be kept even if the rigid collet and the large stone block are directly impacted in the shoveling and.
Drawings
Fig. 1 is a schematic structural diagram of a mine backfilling machine according to the invention.
Fig. 2 is a side view of the internal structure of the device.
Fig. 3 is a detailed structural diagram of the interior of the rigid punching mechanism.
Fig. 4 is a detailed structural diagram of the inside of the side supporting mechanism.
Fig. 5 is a schematic view of a sliding ball structure.
Fig. 6 is a detailed structural diagram of the inside of the bottom brace.
Fig. 7 is a detailed structure diagram of the inside of the sliding ball.
In the figure: cab-1, hydraulic lifting arm-2, hydraulic rod-3, mineral soil shoveling device-4, wheels-5, auxiliary ladder-6, frame-7, guard bar-a 1, shovel sleeve-a 2, reinforcing bar-a 3, rigid impact adjusting mechanism-a 4, side supporting mechanism-a 41, rigid collet-a 42, inner partition-a 43, elastic sleeve-a 44, guide bar-a 45, slide bar-a 411, support handle-a 412, rotary piece-a 413, slide supporting ball-a 414, soft rubber sleeve-a 415, bottom supporting rod-a 416, bottom supporting bar-a 441, lateral lock catch-a 442, traction bar-a 443, soft sleeve-a 444, slide ball-a 445, ball-qq 1, top line-qq 2, slide piece-qq 3, through groove-q 3, lock hole-aa 1, oblique supporting piece-2 aa-a 73784, slide groove-qq 3, lock hole-a 38q 3, lock hole-aa-73742, oblique supporting piece-a 2, Conducting bar-aa 3.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the 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, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the 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, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figures 1 to 4:
the invention provides a mine backfilling machine which structurally comprises a cab 1, a hydraulic lifting arm 2, a hydraulic rod 3, a mineral soil back-shoveling device 4, wheels 5, an auxiliary ladder 6 and a frame 7, wherein the cab 1 is welded with the auxiliary ladder 6, the hydraulic rod 3 is movably connected with the mineral soil back-shoveling device 4, the hydraulic rod 3 is fixedly connected with the frame 7, the cab 1 is welded with the frame 7, two groups of wheels 5 which are one large and one small are arranged in front of and behind the frame 7, the front wheels are smaller, and the hydraulic lifting arm 2 is welded with the mineral soil back-shoveling device 4.
The ore soil shoveling device 4 comprises a guard bar a1, a shovel sleeve a2, a reinforcing bar a3 and a rigid punching and adjusting mechanism a4, wherein the guard bar a1 is welded on the outer side surface of the shovel sleeve a2, the reinforcing bar a3 is welded and fixed in the shovel sleeve a2, and the rigid punching and adjusting mechanism a4 is installed on the side surface of the lower end of the shovel sleeve a2 in an embedded mode.
The rigid punching and adjusting mechanism a4 comprises a side supporting mechanism a41, a rigid collet a42, an inner partition a43, an elastic sleeve a44 and a guide rod a45, wherein the side supporting mechanism a41 is movably mounted inside the rigid collet a42, the inner partition a43 is welded with a rigid collet a42, the elastic sleeve a44 is fixedly mounted inside the rigid collet a42, the guide rod a45 is mounted inside the rigid collet a42 in an embedded mode, an elastic strip made of spring steel is arranged inside the elastic sleeve a44, and the elastic strip and the rigid collet a42 are mounted in a staggered mode, so that the elastic strip has reverse acting elasticity in a deformed state after being stressed.
The side supporting mechanism a41 comprises a slide bar a411, a supporting handle a412, a rotary vane a413, a sliding supporting ball a414, a soft rubber sleeve a415 and a bottom supporting rod a416, wherein the slide bar a411 is installed on the upper side surface of the bottom supporting rod a416 in an embedded mode, the bottom supporting rod a416 is movably connected with the supporting handle a412, the soft rubber sleeve a415 is fixed at the tail part of the supporting handle a412, the supporting handle a412 is connected with the side surface of the rigid collet a42 through the rotary vane a413, the sliding supporting ball a414 is fixedly connected with the supporting handle a412, the middle of the bottom supporting rod a412 is movably connected with the supporting handle a412 through a shaft rod, and a groove which is recessed towards the inside is arranged at the connecting position of the bottom supporting rod a 416.
The specific use mode and function of the embodiment are as follows:
according to the invention, in the process that the rigid collet a42 impacts a large stone, through the staggered installation of the elastic sleeves a44 and the rigid collet a42, the rigid collet a42 can be inserted in a sliding mode towards the inside and can press the elastic sleeves a44, the elastic sleeves a44 deformed by pressure have reverse supporting pressure on the rigid collet a42, meanwhile, in the process that the rigid collet a42 is pushed towards the inside, the a41 is subjected to stamping force, in the state that the support handle a412 and the bottom support rod a416 extend towards the outside at a small angle, the connecting position can be deformed under the action of impact force and extend towards the outside to form a triangle, the impact force can be relieved, the side support mechanisms a41 on the two sides can be unfolded towards the side, and reinforcing ribs are formed on the left side and the right side of the rigid collet a42, so that the rigid collet a42 can be effectively prevented from being broken when impacted.
Example 2
As shown in fig. 5 to 7:
the invention provides a mine backfilling machine, wherein a sliding support ball a414 comprises a bottom support bar a441, two lateral lock catches a442, a traction bar a443, a soft sleeve sheet a444 and a sliding ball a445, the two lateral lock catches a442 are arranged on the left side and the right side of the sliding ball a445, the soft sleeve sheet a444 is attached to the outer side face of the sliding ball a445, the traction bar a443 and the soft sleeve sheet a444 are fixedly connected together, the bottom support bar a441 is embedded in the bottom of the sliding ball a445, and the sliding ball a445 can be vertically supported by the bottom support bar a441 through traction and pulling of the traction bar a 443.
The sliding ball a445 comprises a ball body qq1, a top line qq2, a sliding piece qq3 and a through groove qq4, wherein the through groove qq4 is arranged in the middle of the ball body qq1, the top line qq2 penetrates through the ball body qq1 through the through groove qq4, the sliding piece qq3 is installed at the bottom of the ball body qq1 in an embedded mode, and the ball body qq1 can reduce the friction force between the contact surfaces of external stones in the state of being pushed out towards the outside, so that the whole device can be separated from the stones at the angle.
The bottom stay a441 comprises a lock hole aa1, an oblique supporting piece aa2 and a guide bar aa3, wherein the guide bar aa3 is fixedly installed below the oblique supporting piece aa2, the left side of the guide bar aa3 is provided with a lock hole aa1, one side of the oblique supporting piece aa2 is lower than the other side of the oblique supporting piece aa2 is higher than the other side of the oblique supporting piece aa2, and the height difference is excessive through an arc curve.
Wherein, the number of the soft sleeve sheets a444 is three and only clings to the outer side of the sphere qq1, and the soft sleeve sheets are made of rubber sheets and mainly used for isolating fine sand outside and preventing the fine sand from entering the inside.
The inner side of the soft rubber sleeve a415 is provided with wrinkles, the support handle a412 can be assisted by unfolding and folding of the wrinkles, the soft rubber sleeve a is made of rubber materials, and the soft rubber sleeve a still has rebounding reset tension after being unfolded and deformed.
The specific use mode and function of the embodiment are as follows:
in the invention, in the process of extending the support handle a412 towards the outside, the rotary sheet a413 at the part connected with the rigid collet a42 rotates, the bottom protective sleeve a415 is unfolded and pulls the traction strip a443, the pulled traction strip a443 pulls the bottom support strip a441 connected with the traction strip a, the sliding support ball a414 is pulled by the side support mechanism a41 and protrudes towards the outside, the top line qq2 is fixed on the ball qq1 through the side lock a442, and in the process of extending the ball qq1 towards the outside, the top line qq2 also passively extends, so that the friction force of the contact surface of the rigid collet a42 and the upper surface of the stone block is reduced, and the rigid collet a42 is separated.
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 (8)
1. The utility model provides a mine backfill machine, its structure includes that driver's cabin (1), hydraulic pressure lift arm (2), hydraulic stem (3), ore deposit return shovel device (4), wheel (5), supplementary ladder (6), frame (7), its characterized in that:
the mining shovel is characterized in that the cab (1) is welded with the auxiliary ladder (6), the hydraulic rod (3) is movably connected with the mineral soil shoveling device (4), the hydraulic rod (3) is fixedly connected with the frame (7), the cab (1) is welded with the frame (7), two groups of wheels (5) with one large wheel and one small wheel are arranged in front of and behind the frame (7), the front wheels are smaller, and the hydraulic lifting arm (2) is welded with the mineral soil shoveling device (4);
the ore soil back-shoveling device (4) comprises a protective strip (a 1), a shoveling sleeve (a 2), a reinforcing strip (a 3) and a rigidity punching and adjusting mechanism (a 4), wherein the protective strip (a 1) is welded on the outer side surface of the shoveling sleeve (a 2), the shoveling sleeve (a 2) is internally welded and fixed with the reinforcing strip (a 3), and the rigidity punching and adjusting mechanism (a 4) is installed on the side surface of the lower end of the shoveling sleeve (a 2) in an embedded mode.
2. A mine backfiller according to claim 1, wherein: the rigidity punching and adjusting mechanism (a 4) comprises a side supporting mechanism (a 41), a rigid collet (a 42), an inner partition (a 43), an elastic sleeve (a 44) and a guide rod (a 45), wherein the side supporting mechanism (a 41) is movably mounted inside the rigid collet (a 42), the inner partition (a 43) is welded with the rigid collet (a 42), the elastic sleeve (a 44) is fixedly mounted inside the rigid collet (a 42), and the guide rod (a 45) is mounted inside the rigid collet (a 42) in an embedding mode.
3. A mine backfiller according to claim 2, wherein: the side supporting mechanism (a 41) comprises a sliding strip (a 411), a supporting handle (a 412), a rotary piece (a 413), a sliding supporting ball (a 414), a soft rubber sleeve (a 415) and a bottom supporting rod (a 416), wherein the sliding strip (a 411) is installed on the upper side surface of the bottom supporting rod (a 416) in an embedding mode, the bottom supporting rod (a 416) is movably connected with the supporting handle (a 412), the soft rubber sleeve (a 415) is fixed at the tail part of the supporting handle (a 412), the supporting handle (a 412) is connected with the side surface of the rigid collet (a 42) through the rotary piece (a 413), and the sliding supporting ball (a 414) is fixedly connected with the supporting handle (a 412).
4. A mine backfiller according to claim 3, wherein: the sliding support ball (a 414) comprises a bottom stay (a 441), lateral latches (a 442), traction bars (a 443), soft sleeves (a 444) and a sliding ball (a 445), wherein the lateral latches (a 442) are provided with two and located on the left side and the right side of the sliding ball (a 445), the soft sleeves (a 444) are attached to the outer side of the sliding ball (a 445), the traction bars (a 443) are fixedly connected with the soft sleeves (a 444), and the bottom stay (a 441) is embedded into the bottom of the sliding ball (a 445).
5. A mine backfiller according to claim 4, wherein: the sliding ball (a 445) comprises a ball body (qq 1), a top line (qq 2), a sliding piece (qq 3) and a through groove (qq 4), wherein the through groove (qq 4) is formed in the middle of the ball body (qq 1), the top line (qq 2) penetrates through the ball body (qq 1) through the through groove (qq 4), and the sliding piece (qq 3) is installed at the bottom of the ball body (qq 1) in an embedding mode.
6. A mine backfiller according to claim 4, wherein: the bottom stay (a 441) comprises a lock hole (aa 1), an oblique supporting piece (aa 2) and a guide bar (aa 3), wherein the guide bar (aa 3) is fixedly installed below the oblique supporting piece (aa 2), and the lock hole (aa 1) is formed in the left side of the guide bar (aa 3).
7. A mine backfiller according to claim 4, wherein: the three soft sleeve sheets (a 444) are arranged and only attached to the outer side face of the sphere (qq 1) in a fitting mode.
8. A mine backfiller according to claim 3, wherein: the inner side of the soft rubber sleeve (a 415) is provided with folds, and the support handle (a 412) can be assisted by the folding and unfolding of the folds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476816.7A CN111502752B (en) | 2020-05-29 | 2020-05-29 | Mine backfilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010476816.7A CN111502752B (en) | 2020-05-29 | 2020-05-29 | Mine backfilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN111502752A true CN111502752A (en) | 2020-08-07 |
| CN111502752B CN111502752B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010476816.7A Active CN111502752B (en) | 2020-05-29 | 2020-05-29 | Mine backfilling machine |
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| CN (1) | CN111502752B (en) |
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|---|---|---|---|---|
| JP2003056002A (en) * | 2001-08-16 | 2003-02-26 | Ashimori Ind Co Ltd | Backfilling method and equipment for underground pipe |
| CN204238274U (en) * | 2014-11-24 | 2015-04-01 | 河北宣化工程机械股份有限公司 | Be provided with the bulldozer working device of detachable comb teeth |
| CN205776462U (en) * | 2016-05-30 | 2016-12-07 | 南昌市赣工机械有限公司 | A kind of excavator bucket device |
| CN107587537A (en) * | 2017-08-16 | 2018-01-16 | 广州市欧伊若科技有限公司 | A kind of bulldozer for mine |
| CN208183830U (en) * | 2018-03-26 | 2018-12-04 | 宿迁市园林绿化工程有限公司 | A kind of municipal works loading machine |
| CN208251202U (en) * | 2018-03-21 | 2018-12-18 | 日照顺德机械配件有限公司 | A kind of excavator bucket tooth easy to install |
| CN208379658U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of bull-dozer |
| CN208563414U (en) * | 2018-06-20 | 2019-03-01 | 苏州琦少工程科技有限公司 | A kind of forklift scraping device |
| CN209397638U (en) * | 2018-11-05 | 2019-09-17 | 济宁立派工程机械有限公司 | A kind of adjustable excavator of scraper bowl |
-
2020
- 2020-05-29 CN CN202010476816.7A patent/CN111502752B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003056002A (en) * | 2001-08-16 | 2003-02-26 | Ashimori Ind Co Ltd | Backfilling method and equipment for underground pipe |
| CN204238274U (en) * | 2014-11-24 | 2015-04-01 | 河北宣化工程机械股份有限公司 | Be provided with the bulldozer working device of detachable comb teeth |
| CN205776462U (en) * | 2016-05-30 | 2016-12-07 | 南昌市赣工机械有限公司 | A kind of excavator bucket device |
| CN107587537A (en) * | 2017-08-16 | 2018-01-16 | 广州市欧伊若科技有限公司 | A kind of bulldozer for mine |
| CN208251202U (en) * | 2018-03-21 | 2018-12-18 | 日照顺德机械配件有限公司 | A kind of excavator bucket tooth easy to install |
| CN208183830U (en) * | 2018-03-26 | 2018-12-04 | 宿迁市园林绿化工程有限公司 | A kind of municipal works loading machine |
| CN208379658U (en) * | 2018-06-20 | 2019-01-15 | 桐乡市乌镇内利仿古园林建设有限公司 | A kind of bull-dozer |
| CN208563414U (en) * | 2018-06-20 | 2019-03-01 | 苏州琦少工程科技有限公司 | A kind of forklift scraping device |
| CN209397638U (en) * | 2018-11-05 | 2019-09-17 | 济宁立派工程机械有限公司 | A kind of adjustable excavator of scraper bowl |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111502752B (en) | 2021-09-28 |
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