CN210048399U - Crane convenient to height-adjusting - Google Patents
Crane convenient to height-adjusting Download PDFInfo
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- CN210048399U CN210048399U CN201920840401.6U CN201920840401U CN210048399U CN 210048399 U CN210048399 U CN 210048399U CN 201920840401 U CN201920840401 U CN 201920840401U CN 210048399 U CN210048399 U CN 210048399U
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Abstract
The utility model discloses a crane convenient for height adjustment, which belongs to the technical field of cranes and comprises a base, wherein a vertical rod is arranged on the base, the top of the vertical rod is hinged with a suspension arm, an operating platform horizontally arranged is fixedly arranged on the vertical rod, the vertical rod comprises a fixed sleeve vertically fixedly arranged at the top of the base, a supporting rod is vertically connected in the fixed sleeve in a sliding manner, the operating platform is fixedly connected at the middle part of the supporting rod, the bottom of the supporting rod is fixedly connected with a supporting column in the fixed sleeve in a sliding manner, and the top of the base is provided with an adjusting mechanism for driving the supporting rod to vertically slide in the fixed; adjustment mechanism sets up including the symmetry in the first drive group and the second drive group that the base top is located the fixed sleeve both sides, and the top of first drive group and second drive group is connected in operation platform's bottom, the power component of the vertical motion of the first drive group of homonymy fixedly connected with drive of first drive group and second drive group, the utility model discloses have the effect of the height of being convenient for adjust the pole setting.
Description
Technical Field
The utility model belongs to the technical field of loop wheel machine technique and specifically relates to a loop wheel machine convenient to height-adjusting is related to.
Background
The small crane in the existing market is more in variety, and is mostly an upright post supporting crane, and the structure of the small crane mainly comprises three major parts, namely a motor host, an upright post rod and a suspension arm rod. The upright post supporting and hoisting machine is fixed by supporting a roof with an upright post rod, the suspension arm rod extends out of the window, and a steel wire rope of a motor hoists objects to a high altitude to enter a room through the combination of a pulley of the rotating arm sleeve and a pulley at the top end of the suspension arm rod.
The prior art can refer to the chinese utility model patent with the publication number CN203754307U, which discloses an adjustable vertical rod of a small crane, and compared with the prior art, the utility model solves the defect that the vertical rod of the small crane can not adapt to use in various different environments. The utility model discloses a host computer seat and the stand sleeve that sets up on the host computer seat still include pole setting, well pole setting and pole setting down, go up the pole setting and pass through the nipple and install the upper portion in well pole setting, the lower part suit of well pole setting is fixed on very heavy screw rod and through the screw nut support of very heavy screw rod, and very heavy screw rod lower part suit is in the pole setting down, and lower pole setting suit is in the stand sleeve.
However, the above utility model has the following disadvantages: when adjusting the height of pole setting, need adjusting screw nut because the pole setting is heavier to the drive screw nut that is not convenient for rotates, wastes time and energy when making artifical the regulation, thereby is not convenient for adjust the height of pole setting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a loop wheel machine convenient to height-adjusting connects the adjustment mechanism of the vertical motion of automatic drive pole setting in the pole setting, replaces traditional manual regulation to be convenient for adjust the height of pole setting.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a crane convenient for height adjustment comprises a base, wherein a vertical rod is vertically arranged on the base, the top of the vertical rod is hinged with a suspension arm, a horizontally arranged operating platform is fixedly arranged on the vertical rod, the vertical rod comprises a fixed sleeve vertically and fixedly arranged at the top of the base, a supporting rod is vertically connected in the fixed sleeve in a sliding manner, the operating platform is fixedly connected to the middle of the supporting rod, the bottom of the supporting rod is fixedly connected with a supporting column in the fixed sleeve in a sliding manner, and an adjusting mechanism for driving the supporting rod to vertically slide in the fixed sleeve is arranged at the top of the base; the adjusting mechanism comprises a first driving group and a second driving group which are symmetrically arranged at the top of the base and located on two sides of the fixing sleeve, the tops of the first driving group and the second driving group are connected to the bottom of the operating platform, and power components for driving the first driving group and the second driving group to move vertically are fixedly connected to the same side of the first driving group and the second driving group.
Through adopting above-mentioned scheme, when the height of pole setting needs to be adjusted, drive the vertical motion of operation platform through power component drive first driving piece and second driving piece, and then the support column that can the electric support pole bottom is vertical slides in fixed sleeve, can adjust the height of pole setting, replaces traditional manual regulation to be convenient for adjust the height of pole setting.
The utility model discloses further set up to: the first driving group and the second driving group respectively comprise six first connecting rods, two second connecting rods, three third connecting rods, four fourth connecting rods, five fifth connecting rods and six sixth connecting rods, the bottom of the first connecting rod is hinged to the top of the base, the bottom of the second connecting rod is horizontally slidably connected to the top of the base, the bottom of the second connecting rod and the first connecting rod are in a vertical plane, the power assembly is fixedly connected to the bottom of the second connecting rod and drives the bottom of the second connecting rod to horizontally slide relative to the bottom of the first connecting rod, the first connecting rod and the second connecting rod are crossed and the middle parts of the first connecting rod are hinged together, the third connecting rod is hinged to the top of the first connecting rod, the fourth connecting rod is hinged to the top of the second connecting rod, the third connecting rod and the fourth connecting rod are crossed and the middle parts of the third connecting rod are hinged together, the top of the fifth connecting rod is horizontally slidably connected to the bottom of, the fifth connecting rod and the sixth connecting rod are arranged in a crossed mode, and the middle portions of the fifth connecting rod and the sixth connecting rod are hinged together.
By adopting the scheme, the power assembly drives the connecting rod to slide towards the direction of the connecting rod I, the connecting rod I and the connecting rod II move upwards, and the connecting rod III, the connecting rod IV, the connecting rod V and the connecting rod VI move upwards, so that the operating platform and the supporting rod can be pushed to move upwards; on the contrary, when the driving assembly drives the connecting rod to slide towards one side far away from the connecting rod I, the connecting rod I and the connecting rod are driven to move downwards, so that the connecting rod III, the connecting rod IV, the connecting rod V and the connecting rod VI are driven to move downwards, and the operating platform and the supporting rod can be pushed to move downwards.
The utility model discloses further set up to: the power assembly comprises a third hydraulic cylinder horizontally and fixedly arranged at the top of the base, the cylinder body of the third hydraulic cylinder is fixedly connected to the base, the piston rod of the third hydraulic cylinder is fixedly connected with a fixing plate, and the fixing plate is fixedly connected to one side, away from the first connecting rod, of the second connecting rod.
Through adopting above-mentioned scheme, the piston rod extension of pneumatic cylinder three can promote the connecting rod two to the direction of connecting rod one and slide, promotes the bracing piece upward movement, and the piston rod of pneumatic cylinder three withdraws, can promote the connecting rod two to keep away from the direction of connecting rod one and slide, drives the bracing piece downstream, replaces traditional manual work to adjust the height of pole setting, can be convenient for adjust the height of pole setting.
The utility model discloses further set up to: the bottom of the second connecting rod is fixedly provided with an inverted T-shaped sliding block, and the top of the base is provided with an inverted T-shaped sliding groove for the inverted T-shaped sliding block to slide.
Through adopting above-mentioned scheme, when the three drive connecting rod one of pneumatic cylinder, connecting rod two, connecting rod three, connecting rod four, connecting rod five and the six vertical motion's of connecting rod in-process, the type of falling T slider horizontal slip in the type of falling T spout at base top of connecting rod two bottoms can make operation platform vertical motion more stable, can also play the guide effect at the in-process of connecting rod two motions.
The utility model discloses further set up to: and a T-shaped sliding groove is formed in the bottom of the operating platform, and a T-shaped sliding block connected in the T-shaped sliding groove in a sliding manner is fixedly arranged at the top of the fifth connecting rod.
By adopting the scheme, when the hydraulic cylinder three drives the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod and the sixth connecting rod to move vertically, the T-shaped sliding block at the top of the fifth connecting rod slides horizontally in the T-shaped sliding groove at the bottom of the operating platform, so that the operating platform is more stable in vertical movement, and can play a role in guiding in the movement process of the fifth connecting rod.
The utility model discloses further set up to: the top of operation platform has set firmly the hoist engine, has set firmly the lifting rope on the spool of hoist engine, and the lifting rope extends to the davit along the length direction of pole setting and davit length direction and keeps away from the tip of pole setting, and the position department that operation platform is close to the pole setting has set firmly a leading wheel one, and the top of pole setting has set firmly a leading wheel two, and the tip that the pole setting was kept away from to the davit has set firmly leading wheel three.
Through adopting above-mentioned scheme, the lifting rope passes a lifting hook of fixedly connected with behind leading wheel one, leading wheel two and the leading wheel three in proper order, and leading and limiting displacement are played to two pairs of lifting ropes of leading wheel one and leading wheel, prevent that the lifting rope twines together, and it is more stable when still making the lifting rope rolling and unreeling.
The utility model discloses further set up to: the suspension arm comprises a positioning rod hinged to the vertical rod and a connecting rod connected in the positioning rod in a sliding mode, a cavity extending along the length direction of the positioning rod is formed in the positioning rod, a first hydraulic cylinder is fixedly arranged at the bottom of the cavity, and the connecting rod is fixedly connected to a piston rod of the first hydraulic cylinder.
By adopting the scheme, the piston rod at one end of the hydraulic cylinder is extended, so that the connecting rod can be pushed to be extended, the length of the suspension arm can be conveniently controlled, the length of the suspension arm can be adjusted, and the crane can be used for operation in different places.
The utility model discloses further set up to: the middle part of the vertical rod is hinged with a second hydraulic cylinder, the cylinder body of the second hydraulic cylinder is hinged to the vertical rod, and the piston rod of the second hydraulic cylinder is hinged to the bottom of the positioning rod.
Through adopting above-mentioned scheme, the piston rod extension of pneumatic cylinder two can promote the locating lever upwards to overturn around its pin joint with the pole setting, and the piston rod of pneumatic cylinder two withdraws, can drive the locating lever and overturn downwards around its pin joint with the pole setting, is convenient for control davit upwards to overturn or overturn downwards to be convenient for with treat that the object of taking the hoist and mount is connected.
To sum up, the utility model discloses following beneficial effect has:
1. the upright rod comprises a fixing sleeve vertically and fixedly arranged at the top of the base, a supporting rod is vertically connected in the fixing sleeve in a sliding manner, the operating platform is fixedly connected to the middle of the supporting rod, the bottom of the supporting rod is fixedly connected with a supporting column in the fixing sleeve in a sliding manner, the bottom of the operating platform is connected with a first driving group and a second driving group which drive the operating platform to vertically move, and a power assembly which drives the first driving group and the second driving group to vertically move is fixedly connected to the same side of the first driving group and the second driving group; the power assembly drives the first driving piece and the second driving piece to drive the operating platform to vertically move, so that the supporting column at the bottom of the electric supporting rod can vertically slide in the fixed sleeve, the height of the vertical rod can be adjusted, the traditional manual adjustment is replaced, and the height of the vertical rod is convenient to adjust;
2. through the position department that is close to the pole setting at operation platform has set firmly a leading wheel one, the top of pole setting has set firmly a leading wheel two, the tip that the pole setting was kept away from to the davit has set firmly leading wheel three, the lifting rope passes leading wheel one in proper order, a lifting hook of leading wheel two and three back fixedly connected with of leading wheel, leading wheel one and two pairs of lifting ropes of leading wheel play direction and limiting displacement, prevent that the lifting rope winding is in the same place, it is more stable when still making the lifting rope winding and unreeling.
Drawings
FIG. 1 is an isometric view of an embodiment;
FIG. 2 is a sectional view of the embodiment;
FIG. 3 is a schematic diagram of a first driving assembly.
In the figure, 1, a base; 10. an inverted T-shaped chute; 11. erecting a rod; 111. fixing the sleeve; 112. a support bar; 1121. a support pillar; 12. a suspension arm; 121. positioning a rod; 122. a cavity; 123. a connecting rod; 124. a first hydraulic cylinder; 125. a second hydraulic cylinder; 13. an operating platform; 131. a winch; 132. a lifting rope; 1321. a hook; 133. a first guide wheel; 134. a second guide wheel; 135. a third guide wheel; 136. a T-shaped chute; 2. an adjustment mechanism; 21. a first drive group; 211. a first connecting rod; 212. a second connecting rod; 2121. an inverted T-shaped slider; 213. a third connecting rod; 214. a connecting rod IV; 215. a fifth connecting rod; 2151. a T-shaped slider; 216. a connecting rod six; 22. a second drive group; 23. a power assembly; 231. a hydraulic cylinder III; 232. and (7) fixing the plate.
Detailed Description
A crane convenient for height adjustment comprises a base 1, wherein an upright rod 11 is vertically arranged on the base 1, a boom 12 is hinged to the top of the upright rod 11, an operating platform 13 horizontally arranged is fixedly arranged on the upright rod 11, a winch 131 is fixedly arranged on the top of the operating platform 13, a lifting rope 132 is fixedly arranged on a reel of the winch 131, the lifting rope 132 extends to the end part, far away from the upright rod 11, of the boom 12 along the length direction of the upright rod 11 and the length direction of the boom 12, a first guide wheel 133 is fixedly arranged at the position, close to the upright rod 11, of the operating platform 13, a second guide wheel 134 is fixedly arranged at the top of the upright rod 11, a third guide wheel 135 is fixedly arranged at the end part, far away from the upright rod 11, of the boom 12, and the lifting rope 132, a hook 1321 is fixedly connected behind the second guide wheel 134 and the third guide wheel 135, and the first guide wheel 133 and the second guide wheel 134 guide and limit the lifting rope 132 to prevent the lifting rope 132 from being wound together.
Referring to fig. 1 and 2, the boom 12 includes a positioning rod 121 hinged to the upright 11 and a connecting rod 123 slidably connected in the positioning rod 121, a cavity 122 extending along the length direction of the positioning rod 121 is formed in the positioning rod 121, a hydraulic cylinder one 124 is fixedly arranged at the bottom of the cavity 122, and the connecting rod 123 is fixedly connected to a piston rod of the hydraulic cylinder one 124; the piston rod at the first 124 end of the hydraulic cylinder extends to push the connecting rod 123 to extend, and the third guide wheel 135 is located at the end of the connecting rod 123 far away from the positioning rod 121. The middle part of the vertical rod 11 is hinged with a second hydraulic cylinder 125, the cylinder body of the second hydraulic cylinder 125 is hinged to the end part of the vertical rod 11, the piston rod of the second hydraulic cylinder 125 is hinged to the bottom of the positioning rod 121, the piston rod of the second hydraulic cylinder 125 extends, namely, the positioning rod 121 can be pushed to upwards turn around the hinged point of the positioning rod 121 and the vertical rod 11, and the piston rod of the second hydraulic cylinder 125 is retracted, namely, the positioning rod 121 can be driven to downwards turn around the hinged.
Referring to fig. 2 and 3, the upright 11 includes a fixing sleeve 111 vertically fixed on the base 1, a supporting rod 112 is connected in the fixing sleeve 111 in a vertically sliding manner, the operating platform 13 is fixedly connected in the middle of the supporting rod 112, the bottom of the supporting rod 112 is fixedly connected with a supporting column 1121 connected in the fixing sleeve 111 in a sliding manner, and an adjusting mechanism 2 for driving the supporting rod 112 to vertically slide in the fixing sleeve 111 is arranged at the top of the base 1. The adjusting mechanism 2 comprises a first driving group 21 and a second driving group 22 which are symmetrically arranged on the top of the base 1 and located on two sides of the fixing sleeve 111, and a power assembly 23 for driving the first driving group 21 and the second driving group 22 to move vertically is fixedly connected to the same side of the first driving group 21 and the second driving group 22.
Referring to fig. 2 and 3, each of the first driving group 21 and the second driving group 22 includes six links, i.e., a first link 211, a second link 212, an third link 213, an fourth link 214, a fifth link 215, and an sixth link 216, wherein the bottom of the first link 211 is hinged to the top of the base 1, the bottom of the second link 212 is horizontally slidably connected to the top of the base 1, the bottom of the second link 212 and the bottom of the first link 211 are in a vertical plane, the power assembly 23 is fixedly connected to the bottom of the second link 212 and drives the bottom of the second link 212 to horizontally slidably move relative to the bottom of the first link 211, the first link 211 and the second link 212 are crossed and are hinged together in the middle, the third link 213 is hinged to the top of the first link 211, the fourth link 214 is hinged to the top of the second link 212, the third link 213 and the fourth link 214 are crossed and are hinged together in the middle, the fifth link 215 is hinged to the top of the third, the bottom of the operating platform 13 is provided with a T-shaped sliding groove 136, the top of the five connecting rod 215 is fixedly provided with a T-shaped sliding block 2151 which is connected in the T-shaped sliding groove 136 in a sliding manner, the bottom of the six connecting rod 216 is hinged to the top of the four connecting rod 214, the top of the six connecting rod 216 is hinged to the top of the operating platform 13, and the five connecting rod 215 and the six connecting rod 216 are arranged in a crossed manner and are hinged together in the middle.
Referring to fig. 1 and 3, the power assembly 23 includes a third hydraulic cylinder 231 horizontally fixed on the top of the base 1, a cylinder body of the third hydraulic cylinder 231 is fixedly connected to the base 1, a piston rod of the third hydraulic cylinder 231 is fixedly connected with a fixing plate 232, the fixing plate 232 is fixedly connected to one side of the second connecting rod 212 far away from the first connecting rod 211, an inverted T-shaped slider 2121 is fixedly arranged at the bottom of the second connecting rod 212, and an inverted T-shaped chute 10 is arranged on the top of the base 1; a piston rod of the hydraulic cylinder III 231 extends to drive the connecting rod II 212 to slide towards the connecting rod I211, the connecting rod I211 and the connecting rod II 212 move upwards, and the connecting rod III 213, the connecting rod IV 214, the connecting rod V215 and the connecting rod VI 216 all move upwards, so that the operating platform 13 and the supporting rod 112 can be pushed to move upwards; conversely, when the piston rod of the hydraulic cylinder three 231 retracts and the second connecting rod 212 slides to the side away from the first connecting rod 211, the first connecting rod 211 and the second connecting rod 212 are driven to move downwards, so that the third connecting rod 213, the fourth connecting rod 214, the fifth connecting rod 215 and the sixth connecting rod 216 are driven to move downwards, that is, the operating platform 13 and the support rod 112 can be pushed to move downwards.
The use principle is as follows: when the upright rod 11 needs to be heightened, the piston rod of the hydraulic cylinder three 231 extends, namely, the piston rod can push the operating platform 13 and the supporting rod 112 to move upwards, and conversely, the piston rod of the hydraulic cylinder three 231 retracts to push the operating platform 13 and the supporting rod 112 to move downwards.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a loop wheel machine convenient to height-adjusting, includes base (1), vertically is provided with pole setting (11) on base (1), and the top of pole setting (11) articulates there is davit (12), sets firmly operation platform (13) that the level set up on pole setting (11), its characterized in that:
the vertical rod (11) comprises a fixed sleeve (111) vertically and fixedly arranged at the top of the base (1), a supporting rod (112) is vertically connected in the fixed sleeve (111) in a sliding manner, the operating platform (13) is fixedly connected to the middle of the supporting rod (112), a supporting column (1121) connected in the fixed sleeve (111) in a sliding manner is fixedly connected to the bottom of the supporting rod (112), and an adjusting mechanism (2) for driving the supporting rod (112) to vertically slide in the fixed sleeve (111) is arranged at the top of the base (1);
adjustment mechanism (2) are including the symmetry set up in base (1) top be located first drive group (21) and second drive group (22) of fixed sleeve (111) both sides, and the top of first drive group (21) and second drive group (22) is connected in the bottom of operation platform (13), and the power component (23) of the first drive of the same side fixedly connected with drive group (21) of first drive group (21) and second drive group (22) vertical motion of first drive group (21) and second drive group (22).
2. The crane convenient for height adjustment according to claim 1, wherein: the first driving group (21) and the second driving group (22) respectively comprise six connecting rods I (211), two connecting rods (212), three connecting rods (213), four connecting rods (214), five connecting rods (215) and six connecting rods (216), the bottom of the first connecting rod (211) is hinged to the top of the base (1), the bottom of the second connecting rod (212) is horizontally slidably connected to the top of the base (1), the bottom of the second connecting rod (212) and the first connecting rod (211) are in a vertical plane, the power assembly (23) is fixedly connected to the bottom of the second connecting rod (212) and drives the bottom of the second connecting rod (212) to horizontally slidably move relative to the bottom of the first connecting rod (211), the first connecting rod (211) and the second connecting rod (212) are arranged in a crossed mode, the middle portions of the first connecting rod (211) and the second connecting rod (211) are hinged together, the third connecting rod (213) is hinged to the top of the first connecting rod (211), the fourth connecting rod (214) and the middle portions of the third connecting rod (213, the five connecting rods (215) are hinged to the tops of the three connecting rods (213), the tops of the five connecting rods (215) are horizontally connected to the bottom of the operating platform (13) in a sliding mode, the bottoms of the six connecting rods (216) are hinged to the tops of the four connecting rods (214), the tops of the six connecting rods (216) are hinged to the top of the operating platform (13), and the five connecting rods (215) and the six connecting rods (216) are arranged in a crossed mode and hinged to each other in the middle.
3. The crane convenient for height adjustment according to claim 2, wherein: the power assembly (23) comprises a hydraulic cylinder III (231) which is horizontally and fixedly arranged at the top of the base (1), a cylinder body of the hydraulic cylinder III (231) is fixedly connected onto the base (1), a piston rod of the hydraulic cylinder III (231) is fixedly connected with a fixing plate (232), and the fixing plate (232) is fixedly connected onto one side, away from the connecting rod I (211), of the connecting rod II (212).
4. The crane convenient for height adjustment according to claim 2, wherein: the bottom of the second connecting rod (212) is fixedly provided with an inverted T-shaped sliding block (2121), and the top of the base (1) is provided with an inverted T-shaped sliding groove (10) for the inverted T-shaped sliding block (2121) to slide.
5. The crane convenient for height adjustment according to claim 2, wherein: the bottom of the operating platform (13) is provided with a T-shaped sliding groove (136), and the top of the five connecting rods (215) is fixedly provided with a T-shaped sliding block (2151) which is connected in the T-shaped sliding groove (136) in a sliding manner.
6. The crane convenient for height adjustment according to claim 1, wherein: the top of operation platform (13) has set firmly hoist engine (131), set firmly lifting rope (132) on the spool of hoist engine (131), lifting rope (132) extend to the tip that pole setting (11) were kept away from to davit (12) along the length direction of pole setting (11) and davit (12) length direction, position department that operation platform (13) are close to pole setting (11) has set firmly a leading wheel (133), the top of pole setting (11) has set firmly a leading wheel two (134), the tip that pole setting (11) were kept away from to davit (12) has set firmly leading wheel three (135).
7. The crane convenient for height adjustment according to claim 1, wherein: the suspension arm (12) comprises a positioning rod (121) hinged to the upright rod (11) and a connecting rod (123) connected into the positioning rod (121) in a sliding mode, a cavity (122) extending along the length direction of the positioning rod (121) is formed in the positioning rod (121), a first hydraulic cylinder (124) is fixedly arranged at the bottom of the cavity (122), and the connecting rod (123) is fixedly connected onto a piston rod of the first hydraulic cylinder (124).
8. The hoist convenient in height adjustment according to claim 7, wherein: the middle part of the vertical rod (11) is hinged with a second hydraulic cylinder (125), the cylinder body of the second hydraulic cylinder (125) is hinged to the vertical rod (11), and the piston rod of the second hydraulic cylinder (125) is hinged to the bottom of the positioning rod (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840401.6U CN210048399U (en) | 2019-06-04 | 2019-06-04 | Crane convenient to height-adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840401.6U CN210048399U (en) | 2019-06-04 | 2019-06-04 | Crane convenient to height-adjusting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210048399U true CN210048399U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920840401.6U Active CN210048399U (en) | 2019-06-04 | 2019-06-04 | Crane convenient to height-adjusting |
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| Country | Link |
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| CN (1) | CN210048399U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213348A (en) * | 2021-05-07 | 2021-08-06 | 国网山东省电力公司莒县供电公司 | Loading and unloading device for electric power materials |
-
2019
- 2019-06-04 CN CN201920840401.6U patent/CN210048399U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213348A (en) * | 2021-05-07 | 2021-08-06 | 国网山东省电力公司莒县供电公司 | Loading and unloading device for electric power materials |
| CN113213348B (en) * | 2021-05-07 | 2022-05-20 | 国网山东省电力公司莒县供电公司 | Loading and unloading device for electric power materials |
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