CN212832444U - Single-beam crane for moving workpieces - Google Patents

Abstract

The utility model relates to the technical field of workpiece moving accessories, in particular to a single-beam crane for workpiece moving, which can conveniently rotate according to the current use condition when being used as a whole, thereby enhancing the adaptability and improving the practicability; the electric hoist comprises a bottom plate, two groups of mounting plates, an arched beam, a connecting column, a sliding rod and an electric hoist; still include the base, change the handle, link and pivot, the base vertically is provided with first logical groove, and it is rotatable to be fixed with first ball group to lead to the inslot wall at first, the fixed cover in the pivot outside is equipped with two sets of solid fixed rings, two sets of solid fixed ring inboards all are provided with the roll wheelset, bottom plate bottom left side and right side all are provided with the gyro wheel, still include two sets of first screwed pipes and two sets of first threaded rod, two sets of first threaded rod tops all are provided with the inserted block, bottom plate bottom left side, the right side, front side and rear side all are provided with the draw-in groove, still include the assembly pulley.

Description

Single-beam crane for moving workpieces

Technical Field

The utility model relates to a work piece removes technical field of auxiliary device, especially relates to a work piece removes uses monospar hoist.

Background

As is well known, a single-beam crane for moving a workpiece is an auxiliary device used for hoisting and moving the workpiece in the mechanical production and processing process, so as to better perform subsequent processing, and is widely used in the field of workpiece movement; the existing single-beam crane for moving workpieces comprises a bottom plate, two groups of mounting plates, an arched crossbeam, a connecting column, a sliding rod and an electric hoist, wherein the top ends of the two groups of mounting plates are respectively mounted on the left side and the right side of the bottom end of the arched crossbeam; when the existing single-beam crane for moving the workpiece is used, the workpiece is integrally placed on a plane, the connecting column is driven to transversely move through an external driving device, the electric hoist can lift and move the workpiece, the electric hoist is a common electric device in the market, the electric hoist can be used only by being electrically connected according to a purchased use instruction when being bought back for use, and the connecting lead can be reasonably wired as long as the connecting lead can work, so that the details are not repeated; present work piece is removed and is used discovery with single beam crane, and when its whole was used, can not conveniently rotate according to in service behavior now to lead to its adaptability relatively poor, the practicality is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a when its whole is used, can conveniently rotate according to in service behavior now to strengthen its adaptability, improve the work piece of practicality and move and use monospar hoist.

The utility model discloses a work piece removes uses monospar hoist, including bottom plate, two sets of mounting panels, arch crossbeam, spliced pole, slide bar and electric block, the top of two sets of mounting panels is installed respectively in the left and right sides of arch crossbeam bottom, the bottom of two sets of mounting panels all is connected with the bottom plate top, the slide bar is installed respectively in the arch crossbeam left and right sides wall about both ends, electric block installs in the spliced pole bottom; the bottom end of the rotating handle is rotatably fixed at the bottom end of the connecting frame, the bottom end of the rotating shaft is connected with the top end of the connecting frame, the base is longitudinally provided with a first through groove, a first ball group is rotatably fixed on the inner side wall of the first through groove, the top end of the rotating shaft penetrates through the first ball group and extends to the upper part of the base to be connected with the center of the bottom end of the bottom plate, two groups of fixing rings are fixedly sleeved on the outer side of the rotating shaft, rolling wheel groups are arranged on the inner sides of the two groups of fixing rings, the two groups of rolling wheel groups are respectively in close contact with the two sides of the top end of the base, rollers are arranged on the left side and the right side of the bottom end of the bottom plate, the bottom ends of the two groups of rollers are respectively in contact with the top end of the base, the two groups of first threaded pipes are respectively arranged on, two sets of first threaded rod tops all are provided with the inserted block, bottom plate bottom left side, the right side, front side and rear side all are provided with the draw-in groove, the top of two sets of inserted blocks inserts respectively inside the draw-in groove that is located the left and right sides or the draw-in groove that is located both sides around, still include the assembly pulley, spacing ring and spacing post group, the spacing ring cover is established in the pivot outside, spacing post group one end is connected with the spacing ring, the spacing post group other end is connected with the base top, assembly pulley one end is connected with the spacing ring inboard, the assembly pulley other end pastes the tight contact with the pivot.

Preferably, the detection box comprises a detection box, a limiting rod, a connecting block, a first spring set and a hanging rod, the detection box is arranged at the output end of the bottom of the electric hoist, a detection cavity is arranged in the detection box, the limiting rod and the hanging rod are respectively connected with the top end and the bottom end of the connecting block, a second through groove is longitudinally arranged in the center of the bottom end of the detection box, a second ball set is rotatably fixed on the inner side of the second through groove, the bottom end of the hanging rod penetrates through the second ball set and extends to the lower part of the detection box, the first spring set is sleeved on the outer side of the hanging rod, the top end of the first spring set is connected with the bottom end of the connecting block, the bottom end of the first spring set is connected with the inner bottom side wall of the detection box, the detection box further comprises a baffle plate, a spring rod and a second spring set, a third through groove is transversely arranged on the left side of the detection box, a third, the elastic rod right side is vertically provided with a seventh through groove, a seventh ball group is rotatably fixed on the inner side wall of the seventh through groove, the top end of the limiting rod penetrates through the seventh ball group and extends to the elastic rod side, the second spring sleeve is sleeved on the outer side of the elastic rod, the left end of the second spring sleeve is connected with the shielding plate, and the bottom end of the second spring sleeve is connected with the left side of the detection box.

Preferably, still include the slider, the dead lever, the handle, the rotating turret, the post rotates, first bevel gear, second bevel gear and driven screw post, the spliced pole is installed in the slider bottom, the dead lever is installed and is being located left mounting panel left side, the rotatable installation of handle is in the rotating turret bottom, it is connected with the rotating turret to rotate the post bottom, first bevel gear is installed on the post top of rotating, second bevel gear is installed at driven screw post left end, first bevel gear and second bevel gear meshing, the slider spiro union cover is established in the driven screw post outside.

Preferably, vertically be provided with the fourth through groove on the dead lever to at the rotatable fourth ball group that is fixed with of fourth through inslot portion, the rotating column top passes fourth ball group and stretches out to the dead lever top, arch crossbeam left side and right side transversely all are provided with the fifth through groove, and at the rotatable fifth ball group that is fixed with respectively in two sets of fifth through inslots, both ends pass two sets of fifth ball group respectively and all stretch out to the arch crossbeam outside about the driven screw post.

Preferably, the connecting column is transversely provided with a sixth through groove, a sixth ball group is rotatably fixed in the sixth through groove, and the left end of the sliding rod penetrates through the sixth ball group and extends out of the left side of the connecting column.

Preferably, the fixed cover in the dead lever outside is equipped with two sets of first spacing collars, and first spacing collar inboard all is provided with first spacing wheelset, and two sets of first spacing wheelsets paste the tight contact with dead lever top and bottom respectively, and the fixed cover in the arch crossbeam outside is equipped with two sets of second spacing collars, and two sets of second spacing collar inboards all are provided with the spacing wheelset of second, and two sets of spacing wheelsets of second paste the tight contact with the arch crossbeam left and right sides respectively.

Preferably, the anti-skidding type anti-skidding device further comprises four groups of second threaded rods and four groups of second threaded pipes, the top ends of the four groups of second threaded rods are respectively installed on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base, the bottom ends of the four groups of second threaded rods are respectively screwed into the top ends of the four groups of second threaded pipes, weighting blocks are connected to the bottom ends of the four groups of second threaded pipes, and anti-skidding pads are connected to the bottom ends of the four groups of weighting.

Preferably, still include support column and light sense night-light, the support column right side is connected with the detection case left side, and the light sense night-light is installed at the support column left end, and the light sense night-light is located the positive left side of sheltering from the board.

Compared with the prior art, the beneficial effects of the utility model are that: the rotating handle can be driven to rotate by manually rotating the bottom plate on the rotating column, when the rotating handle is integrally used, the rotating handle can be conveniently rotated according to the current use condition, so that the adaptability of the rotating handle is enhanced, the practicability is improved, the rotating handle can be rotated more easily due to the self-rotatable design, the rotation of the first ball group auxiliary rotating column is more reliable and smooth, the two groups of rollers are convenient to rotate and support, the two groups of rolling wheel groups enhance the smoothness of the rotation of the rotating handle and assist the rotating column to longitudinally limit, so that the rotating handle only rotates but not longitudinally moves, the first threaded rod is manually rotated to longitudinally adjust the rotating handle, the inserting block is inserted into the clamping groove to conveniently limit the bottom plate, the top ends of the two groups of inserting blocks are respectively inserted into the clamping grooves on the left side and the right side or respectively inserted into the clamping grooves on the front side and the rear side, so, meanwhile, the limiting ring plays a certain limiting role in rotation of the rotating column, use reliability is improved, shaking of the rotating column is reduced, the pulley block assists in rotating to be smoother, supporting effect is improved, and the limiting column group improves supporting effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged partial view of portion C of FIG. 1;

FIG. 5 is an enlarged partial view of portion D of FIG. 1;

FIG. 6 is an enlarged partial view of section E of FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. mounting a plate; 3. an arched beam; 4. connecting columns; 5. a slide bar; 6. an electric hoist; 7. a base; 8. turning a handle; 9. a connecting frame; 10. a rotating shaft; 11. a fixing ring; 12. a rolling wheel group; 13. a roller; 14. a first threaded pipe; 15. a first threaded rod; 16. inserting a block; 17. a card slot; 18. a pulley block; 19. a limiting ring; 20. a limit column group; 21. a detection box; 22. a limiting rod; 23. connecting blocks; 24. a first set of springs; 25. a boom; 26. a shielding plate; 27. a spring rod; 28. a second set of springs; 29. a slider; 30. fixing the rod; 31. a handle; 32. a rotating frame; 33. rotating the column; 34. a first bevel gear; 35. a second bevel gear; 36. a driven threaded post; 37. a first spacing collar; 38. a first limit wheel set; 39. a second limit ring; 40. a second limit wheel set; 41. a second threaded rod; 42. a second threaded pipe; 43. a weighting block; 44. a non-slip mat; 45. a support pillar; 46. light sense night-light.

Detailed Description

The following detailed description of the embodiments of the present invention is provided 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.

As shown in fig. 1 to 6, the utility model discloses a single-beam crane for moving workpieces, which comprises a bottom plate 1, two sets of mounting plates 2, an arched beam 3, a connecting column 4, a sliding rod 5 and an electric hoist 6, wherein the top ends of the two sets of mounting plates 2 are respectively mounted on the left and right sides of the bottom end of the arched beam 3, the bottom ends of the two sets of mounting plates 2 are respectively connected with the top end of the bottom plate 1, the left and right ends of the sliding rod 5 are respectively mounted on the left and right side walls in the arched beam 3, and the electric hoist 6; the rotary handle 8 can be rotatably fixed at the bottom end of the connecting frame 9, the bottom end of the rotary shaft 10 is connected with the top end of the connecting frame 9, the base 7 is longitudinally provided with a first through groove, a first ball group can be rotatably fixed on the inner side wall of the first through groove, the top end of the rotary shaft 10 passes through the first ball group and extends to the upper part of the base 7 to be connected with the bottom center of the bottom plate 1, two groups of fixing rings 11 are fixedly sleeved outside the rotary shaft 10, rolling wheel groups 12 are respectively arranged inside the two groups of fixing rings 11, the two groups of rolling wheel groups 12 are respectively in close contact with the two sides of the top bottom of the base 7, the left side and the right side of the bottom end of the bottom plate 1 are respectively provided with a roller 13, and the bottom ends of the two groups of rollers 13 are in contact with the top end of the base 7, the rotary handle 8 can be manually rotated to drive the, thereby enhancing the adaptability and the practicability, the rotation of the rotating handle 8 is more labor-saving due to the design of autorotation, the rotation of the auxiliary rotating shaft 10 of the first ball group is more reliable and smoother, the two groups of rollers 13 are convenient to rotate and improve the supporting effect, the rotation smoothness of the rotating handle 8 is enhanced by the two groups of rolling wheel groups 12, the auxiliary rotating shaft 10 is longitudinally limited so as to only rotate but not longitudinally move, the rotary type electric wrench also comprises two groups of first threaded pipes 14 and two groups of first threaded rods 15, the bottom ends of the two groups of first threaded pipes 14 are respectively arranged at the left side and the right side of the top end of the base 7, the bottom ends of the two groups of first threaded rods 15 are respectively inserted into and screwed into the top ends of the two groups of first threaded pipes 14, the top ends of the two groups of first threaded rods 15 are respectively provided with inserting blocks 16, the left side, the right side, the front side and the rear side of the bottom end of the bottom, the first threaded rod 15 is manually rotated to enable the first threaded rod to be longitudinally adjusted, the inserting blocks 16 are inserted into the clamping grooves 17 to limit the bottom plate 1 conveniently, the top ends of the two groups of inserting blocks 16 are respectively inserted into the clamping grooves 17 on the left side and the right side or respectively inserted into the clamping grooves 17 on the front side and the rear side, the bottom plate 1 is convenient to rotate for ninety degrees and then is fixed, the electric wrench further comprises a pulley block 18, a limiting ring 19 and a limiting column group 20, the limiting ring 19 is sleeved on the outer side of the rotating shaft 10, one end of the limiting column group 20 is connected with the limiting ring 19, the other end of the limiting column group 20 is connected with the top end of the base 7, one end of the pulley block 18 is connected with the inner side of the limiting ring 19, the other end of the pulley block 18 is in close contact with the outer side of the rotating shaft 10, the limiting ring 19 plays a certain, the limit column group 20 improves the supporting effect, and further comprises a detection box 21, a limit rod 22, a connecting block 23, a first set spring 24 and a hanging rod 25, the detection box 21 is installed at the output end of the bottom of the electric hoist 6, a detection cavity is arranged inside the detection box 21, the limit rod 22 and the hanging rod 25 are respectively connected with the top end and the bottom end of the connecting block 23, a second through groove is longitudinally arranged at the center of the bottom end of the detection box 21, a second ball group is rotatably fixed on the inner side of the second through groove, the bottom end of the hanging rod 25 passes through the second ball group and extends to the lower part of the detection box 21, the first set spring 24 is sleeved on the outer side of the hanging rod 25, the top end of the first set spring 24 is connected with the bottom end of the connecting block 23, the bottom end of the first set spring 24 is connected with the inner bottom side wall of the detection box 21, the limit column group further comprises a shielding plate 26, the left end of the spring rod 27 is connected with the baffle plate 26, the right end of the spring rod 27 passes through the third ball group and extends into the detection box 21, the right side of the spring rod 27 is longitudinally provided with a seventh through groove, the seventh ball group is rotatably fixed on the inner side wall of the seventh through groove, the top end of the limiting rod 22 passes through the seventh ball group and extends to the position of the spring rod 27, the second spring set 28 is sleeved on the outer side of the spring rod 27, the left end of the second spring set 28 is connected with the baffle plate 26, the bottom end of the second spring set 28 is connected with the left side of the detection box 21, the hanger rod 25 hooks the workpiece, when the electric block 6 does not bear the workpiece, the baffle plate 26 is manually squeezed to enable the spring rod 27 to be contacted with the right side wall in the detection box 21 under the action of the second spring set 28, at the moment, the top end of the limiting rod 22 passes through the seventh through groove under the action of the first spring set 24, under the action of the elastic coefficient of the first, the workpiece pulls the suspender 25 to move downwards to enable the first sleeve spring 24 to retract slowly until extrusion is carried out, when the workpiece is overweight, the workpiece pulls the suspender 25 to be lowest, the top end of the limiting rod 22 is drawn out from the seventh through groove to the lower part, at the moment, the baffle plate 26 is popped out leftwards under the action of the second sleeve spring 28, when the workpiece carried by the electric hoist 6 is overweight, the workpiece can be reminded conveniently, the damage of the electric hoist 6 is reduced, the reliability is improved, the second ball group, the third ball group and the seventh ball group respectively assist the suspender 25, the elastic rod 27 and the limiting rod 22 to slide more smoothly, the electric hoist further comprises a sliding block 29, a fixed rod 30, a handle 31, a rotating frame 32, a rotating column 33, a first bevel gear 34, a second bevel gear 35 and a driven threaded column 36, the connecting column 4 is arranged at the bottom end of the sliding block 29, the fixed rod 30 is, the bottom end of a rotating column 33 is connected with a rotating frame 32, a first bevel gear 34 is arranged at the top end of the rotating column 33, a second bevel gear 35 is arranged at the left end of a driven threaded column 36, the first bevel gear 34 is meshed with the second bevel gear 35, a sliding block 29 is sleeved outside the driven threaded column 36 in a threaded manner and can be manually rotated by a handle 31, the handle 31 drives the first bevel gear 34 on the rotating column 33 to rotate, the first bevel gear 34 and the second bevel gear 35 are meshed to conveniently drive the driven threaded column 36 to rotate, the sliding block 29 is transversely restricted by a sliding rod 5 in a threaded manner by matching with the design of the sliding block 29, so that the sliding block 29 slides on the sliding rod 5, when an external driving device is damaged, the whole body can still be normally used, a fourth through groove is longitudinally arranged on a fixing rod 30, a fourth ball group can be rotatably fixed in the through groove, the top end of, the left side and the right side of the arched beam 3 are transversely provided with fifth through grooves, fifth ball groups are respectively and rotatably fixed in the two groups of fifth through grooves, the left end and the right end of a driven threaded column 36 respectively penetrate through the two groups of fifth ball groups and respectively extend out of the arched beam 3, the rotation column 33 can be rotated to be smoother through the fourth ball group, the driven threaded column 36 can be rotated to be smoother through the fifth ball group, a sixth through groove is transversely arranged on a connecting column 4, a sixth ball group is rotatably fixed in the sixth through groove, the left end of the sliding rod 5 penetrates through the sixth ball group and extends out of the left side of the connecting column 4, the connecting column 4 can slide relative to the sliding rod 5 to be smoother through the sixth ball group, two groups of first limiting rings 37 are fixedly sleeved on the outer side of the fixed rod 30, first limiting wheel groups 38 are respectively arranged on the inner sides of the first limiting rings 37, and the two groups of first limiting wheel groups 38 are respectively and tightly contacted with the, two groups of second limiting rings 39 are fixedly sleeved on the outer side of the arched cross beam 3, second limiting wheel sets 40 are arranged on the inner sides of the two groups of second limiting rings 39, the two groups of second limiting wheel sets 40 are respectively in close contact with the left side and the right side of the arched cross beam 3 and can facilitate the rotation of the rotation column 33 through the two groups of first limiting rings 37 without longitudinal movement, the two groups of second limiting rings 39 facilitate the rotation of the driven threaded column 36 without transverse movement, the first limiting wheel set 38 and the second limiting wheel set 40 facilitate the rotation and improve the supporting effect, the device also comprises four groups of second threaded rods 41 and four groups of second threaded pipes 42, the top ends of the four groups of second threaded rods 41 are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base 7, the bottom ends of the four groups of second threaded rods 41 are respectively screwed into the top ends of the four groups of second threaded, the bottom ends of the four groups of weighting blocks 43 are connected with the non-slip mats 44, when the overall placing surface is not flat enough, the four groups of second threaded pipes 42 can be rotated manually to enable the four groups of second threaded pipes 42 to be matched with the four groups of second threaded rods 41 in length to adapt to the placing surface, the practicability is improved, the overall placing stability is improved, the four groups of non-slip mats 44 further improve the overall placing stability, meanwhile, the second threaded pipes 42 enable the rotating handle 8 to be spaced from the placing surface, so that the rotating handle 8 can be normally used, the non-slip mat further comprises a supporting column 45 and a light-sensitive night lamp 46, the right side of the supporting column 45 is connected with the left side of the detection box 21, the light-sensitive night lamp 46 is arranged at the left end of the supporting column 45, the light-sensitive night lamp 46 is positioned at the right left side of the shielding plate 26 and can be popped out leftwards through the shielding plate 26, the shielding plate 26 at the, the light-sensing night lamp 46 is a common electric device in the market, and when bought for use, the light-sensing night lamp can be used only by being electrically connected according to a bought use instruction, and the right-side sensing end and the power supply module also belong to the self-contained part, so that the details are not repeated.

The utility model discloses a work piece is moved and is used monospar hoist, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical type, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementation of its beneficial effect, above-mentioned all with electric module and with electric appliance be the common electrical part in market, buy when returning to use only need connect according to the mutual electricity of the instruction manual that together buys back and can use, and control module is its common from taking the module, the event is no longer repeated here.

In the single-beam crane for moving the workpiece of the utility model, under the condition that no opposite explanation is made, the orientation words contained in the terms of 'up-down, left-right, front-back, inside-outside, vertical and horizontal' and the like only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A single-beam crane for moving workpieces comprises a bottom plate (1), two groups of mounting plates (2), an arched crossbeam (3), a connecting column (4), a sliding rod (5) and an electric hoist (6), wherein the top ends of the two groups of mounting plates (2) are respectively mounted on the left side and the right side of the bottom end of the arched crossbeam (3), the bottom ends of the two groups of mounting plates (2) are respectively connected with the top end of the bottom plate (1), the left end and the right end of the sliding rod (5) are respectively mounted on the left side wall and the right side wall in the arched crossbeam (3), and the electric hoist (6) is mounted at the; it is characterized by also comprising a base (7), a rotating handle (8), a connecting frame (9) and a rotating shaft (10), wherein the rotating handle (8) can be rotatably fixed at the bottom end of the connecting frame (9), the bottom end of the rotating shaft (10) is connected with the top end of the connecting frame (9), the base (7) is longitudinally provided with a first through groove, a first ball group can be rotatably fixed on the inner side wall of the first through groove, the top end of the rotating shaft (10) passes through the first ball group and extends to the upper part of the base (7) to be connected with the center of the bottom end of the bottom plate (1), two fixing rings (11) are fixedly sleeved outside the rotating shaft (10), rolling wheel groups (12) are respectively arranged on the inner sides of the two fixing rings (11), the two rolling wheel groups (12) are respectively and tightly contacted with the two sides of the top and the bottom of the base (7), rollers (13) are respectively arranged on the left side, the novel rotary shaft device also comprises two groups of first threaded pipes (14) and two groups of first threaded rods (15), wherein the bottoms of the two groups of first threaded pipes (14) are respectively arranged at the left side and the right side of the top end of the base (7), the bottoms of the two groups of first threaded rods (15) are respectively inserted into and screwed into the tops of the two groups of first threaded pipes (14), the tops of the two groups of first threaded rods (15) are respectively provided with an insert block (16), the left side, the right side, the front side and the rear side of the bottom end of the base plate (1) are respectively provided with a clamping groove (17), the tops of the two groups of insert blocks (16) are respectively inserted into the clamping grooves (17) at the left side and the right side or the clamping grooves (17) at the front side and the rear side, the novel rotary shaft device also comprises a pulley block (18), a limiting ring (19) and a limiting column group (20), the limiting ring (19) is sleeved outside the rotary shaft (10, one end of the pulley block (18) is connected with the inner side of the limit ring (19), and the other end of the pulley block (18) is closely contacted with the outer side of the rotating shaft (10).

2. The single-beam crane for workpiece movement according to claim 1, further comprising a detection box (21), a limit rod (22), a connecting block (23), a first set of springs (24) and a suspension rod (25), wherein the detection box (21) is installed at the bottom output end of the electric hoist (6), a detection cavity is arranged inside the detection box (21), the limit rod (22) and the suspension rod (25) are respectively connected with the top and bottom ends of the connecting block (23), a second through groove is longitudinally arranged in the center of the bottom end of the detection box (21), a second ball set is rotatably fixed inside the second through groove, the bottom end of the suspension rod (25) penetrates through the second ball set and extends to the lower part of the detection box (21), the first set of springs (24) are sleeved outside the suspension rod (25), the top end of the first set of springs (24) is connected with the bottom end of the connecting block (23), the bottom end of the first set of springs (24) is connected with the inner bottom wall of the detection box (21), still include shielding plate (26), elastic rod (27) and second set spring (28), detection case (21) left side transversely is provided with the third through-groove, and the rotatable third ball group that is fixed with in third through-groove inboard, elastic rod (27) left end is connected with shielding plate (26), elastic rod (27) right-hand member passes the third ball group and stretches into to inside detection case (21), elastic rod (27) right side vertically is provided with the seventh through-groove, and rotatable seventh ball group that is fixed with in seventh through-groove inside wall, gag lever post (22) top passes the seventh ball group and stretches out to elastic rod (27) side, second set spring (28) suit is in elastic rod (27) outside, second set spring (28) left end is connected with shielding plate (26), second set spring (28) bottom is connected with detection case (21) left side.

3. The single-beam crane for moving the workpiece is characterized by further comprising a sliding block (29), a fixing rod (30), a handle (31), a rotating frame (32), a rotating column (33), a first bevel gear (34), a second bevel gear (35) and a driven threaded column (36), wherein the connecting column (4) is installed at the bottom end of the sliding block (29), the fixing rod (30) is installed on the left side of the installation plate (2) on the left side, the handle (31) is rotatably installed at the bottom end of the rotating frame (32), the bottom end of the rotating column (33) is connected with the rotating frame (32), the first bevel gear (34) is installed at the top end of the rotating column (33), the second bevel gear (35) is installed at the left end of the driven threaded column (36), the first bevel gear (34) is meshed with the second bevel gear (35), and the sliding block (29) is sleeved on the outer side of the driven threaded column (36.

4. The single beam crane for moving a workpiece as set forth in claim 3, wherein a fourth through groove is longitudinally formed in the fixed bar (30) and a fourth ball group is rotatably fixed in the fourth through groove, the top end of the rotary post (33) passes through the fourth ball group and protrudes above the fixed bar (30), fifth through grooves are transversely formed in both left and right sides of the arched beam (3), and fifth ball groups are rotatably fixed in both the fifth through grooves, and the left and right ends of the driven threaded post (36) pass through both the fifth ball groups and protrude outside the arched beam (3).

5. A single-beam crane for moving workpieces as claimed in claim 4, characterized in that a sixth through groove is transversely arranged on the connecting column (4), a sixth ball group is rotatably fixed in the sixth through groove, and the left end of the slide rod (5) passes through the sixth ball group and extends out to the left side of the connecting column (4).

6. The single-beam crane for moving the workpiece as claimed in claim 5, wherein two sets of first limiting rings (37) are fixedly sleeved outside the fixing rod (30), first limiting wheel sets (38) are respectively arranged inside the first limiting rings (37), the two sets of first limiting wheel sets (38) are respectively in close contact with the top end and the bottom end of the fixing rod (30), two sets of second limiting rings (39) are fixedly sleeved outside the arched beam (3), second limiting wheel sets (40) are respectively arranged inside the two sets of second limiting rings (39), and the two sets of second limiting wheel sets (40) are respectively in close contact with the left side and the right side of the arched beam (3).

7. The single-beam crane for moving the workpiece as claimed in claim 6, further comprising four sets of second threaded rods (41) and four sets of second threaded pipes (42), wherein the top ends of the four sets of second threaded rods (41) are respectively mounted on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base (7), the bottom ends of the four sets of second threaded rods (41) are respectively screwed into the top ends of the four sets of second threaded pipes (42), the bottom ends of the four sets of second threaded pipes (42) are respectively connected with the weight increasing blocks (43), and the bottom ends of the four sets of weight increasing blocks (43) are respectively connected with the anti-skid pads (44).

8. The single-beam crane for moving workpieces as claimed in claim 7, further comprising a support column (45) and a light-sensitive night lamp (46), wherein the right side of the support column (45) is connected with the left side of the detection box (21), the light-sensitive night lamp (46) is installed at the left end of the support column (45), and the light-sensitive night lamp (46) is located right on the left side of the shielding plate (26).

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