Portable and flexible carrying loading and unloading machine

Abstract

The utility model relates to the field of loading and unloading machinery, and discloses a portable and flexible loading and unloading machine which comprises a frame mechanism, a hydraulic mechanism, a rotating mechanism, a supporting mechanism, a clamping mechanism, a first gear rack mechanism, a second gear rack mechanism, a third gear rack mechanism, a supporting leg mechanism, a cross arm, a rear movable arm and a front movable arm. The hydraulic mechanism comprises a hydraulic pump station, a high-pressure oil pipe and a hydraulic cylinder; a piston rod of the first hydraulic cylinder is connected with a pull rope of the clamping mechanism, a piston rod of the second hydraulic cylinder is connected with the rear end of a rack of the first gear-rack mechanism, a piston rod of the third hydraulic cylinder is connected with the rear end of a rack of the second gear-rack mechanism, and a piston rod of the fourth hydraulic cylinder is connected with the rear end of a rack of the third gear-rack mechanism. The utility model has the advantages of portability, flexibility, reliability, safety, low cost and the like, is very suitable for carrying, loading and unloading light articles, and effectively solves the problem of lack of labor force.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of loading and unloading machinery, and particularly relates to a portable and flexible loading and unloading machine. BACKGROUND

[0002] In real life and work, such as bagged cement, flour, fertilizer, feed and other more than 100 kg of these lighter objects need to be carried and unloaded, if using conventional cranes, forklifts and other large loading and unloading machinery, it will pay too high cost, and is usually limited by space. Therefore, the lighter object carrying and unloading can only rely on manual work, and manual work requires a lot of physical effort. In this way, how to effectively solve the problem of lighter object carrying and unloading is an important technical problem for mechanical researchers. SUMMARY

[0003] To solve the above technical problems, the utility model provides a portable and flexible loading and unloading machine, and the technical scheme is as follows:

[0004] The portable and flexible loading and unloading machine comprises a frame mechanism, a hydraulic mechanism, a rotating mechanism, a supporting mechanism, a clamping mechanism, a first gear and rack mechanism, a second gear and rack mechanism, a third gear and rack mechanism, a supporting leg mechanism, a cross arm, a rear movable arm and a front movable arm. The frame mechanism comprises a main body frame, an upper flat plate and a lower flat plate. The hydraulic mechanism comprises a hydraulic pump station, a high-pressure oil pipe and hydraulic cylinders, and the hydraulic cylinders comprise a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder and a fourth hydraulic cylinder. The rotating mechanism comprises an outer cylinder, a rotating rod, a rotating plate and a bearing. The upper end of the outer cylinder is connected to the upper flat plate, and the lower end is connected to the lower flat plate. The top of the rotating rod is connected to the rotating plate. The bearing is sleeved around the rotating rod, and a gap is arranged between the outer ring of the bearing and the outer cylinder. The supporting mechanism comprises a vertical column and an inclined support. The lower ends of the vertical column and the inclined support converge at the rotating plate, and the upper ends of the vertical column and the inclined support are respectively connected to the front and rear parts of the cross arm. The clamping mechanism is connected to the front end of the front movable arm. The inner cavity of the front movable arm is provided with the first hydraulic cylinder. The rear end of the front movable arm and the front end of the rear movable arm are hingedly connected externally and are adjusted in relative position by the first gear and rack mechanism internally. The inner cavity of the rear movable arm is provided with the second hydraulic cylinder. The rear end of the rear movable arm and the front end of the cross arm are hingedly connected externally and are adjusted in relative position by the second gear and rack mechanism internally. The inner cavity of the cross arm is provided with the third hydraulic cylinder. The lower part of the rotating rod and the bottom of the main body frame are connected by the third gear and rack mechanism to adjust the rotating direction of the rotating rod. The bottom of the main body frame is provided with the fourth hydraulic cylinder. The supporting leg mechanism is connected to the main body frame. The piston rod of the first hydraulic cylinder is connected to the clamping mechanism. The piston rod of the second hydraulic cylinder is connected to the rear end of the rack of the first gear and rack mechanism. The piston rod of the third hydraulic cylinder is connected to the rear end of the rack of the second gear and rack mechanism. The piston rod of the fourth hydraulic cylinder is connected to the rear end of the rack of the third gear and rack mechanism. The inlet and outlet ports of the first, second, third and fourth hydraulic cylinders are connected to the hydraulic pump station by the high-pressure oil pipe.

[0005] Further, the first gear and rack mechanism, the second gear and rack mechanism and the third gear and rack mechanism are the same in structure. In addition to comprising gears and racks that are engaged with each other, they also comprise a rack pulley, a top plate and a bolt. The rack pulley is installed at the lower part of the rack, slides on the top plate, and the rear end of the top plate is hingedly connected to the side wall of the component at the position. The bolt is positioned by pressing the top plate through the component side wall. The gear of the first gear and rack mechanism is fixed to the rear end of the front movable arm by a fixed shaft. The gear of the second gear and rack mechanism is fixed to the rear end of the rear movable arm by a fixed shaft. The gear of the third gear and rack mechanism is fixed to the lower end of the rotating rod by a fixed shaft.

[0006] Further, the hydraulic pump station is provided with a first operating handle for controlling the first hydraulic cylinder, a second operating handle for controlling the second hydraulic cylinder, a third operating handle for controlling the third hydraulic cylinder and a fourth operating handle for controlling the fourth hydraulic cylinder.

[0007] Further, the bearing comprises an upper bearing and a lower bearing, which are respectively sleeved on the upper and lower parts of the rotating rod.

[0008] Further, the clamping mechanism comprises a fixed plate, two movable arc-shaped clamping plates, two pull ropes, two tension springs, two hinges and a fixed adjusting part, the fixed plate is connected to the front end of the front movable arm through the fixed adjusting part, the lower sides of the fixed plate are respectively connected to the outer side upper parts of the two movable arc-shaped clamping plates through the hinges, the upper sides of the fixed plate are respectively connected to the outer side middle parts of the two movable arc-shaped clamping plates through the tension springs, the upper ends of the two pull ropes are connected to the front end of the piston rod of the first hydraulic cylinder in the inner cavity of the front movable arm, and the lower ends of the two pull ropes are respectively connected to the inner side middle parts of the two movable arc-shaped clamping plates.

[0009] Further, the fixed adjusting part comprises a threaded stud, a balance adjusting bolt and a nut, the balance adjusting bolt comprises a bolt body, a sleeve ring and a buffer spring, the sleeve ring is fixed to the top end of the bolt body, the buffer spring is sleeved around the bolt body, the two balance adjusting bolts are vertically inserted in the fixed plate and are fastened by the nut, the threaded stud passes through the two sleeve rings and is fastened by the nuts at both ends, and the middle part of the threaded stud is connected to the front end of the front movable arm.

[0010] Further, the leg mechanism comprises a plug-in outer pipe, a plug-in inner pipe, a pipe clamp, an outer threaded pipe, an inner threaded pipe, a U-shaped piece and a base, the plug-in outer pipe and the plug-in inner pipe are transversely matched and plugged, the rear end of the plug-in outer pipe is fixed to the edge of the main body frame by the pipe clamp, the front end of the plug-in inner pipe is arranged in the U-shaped piece and is fixed by a pin, the bottom of the U-shaped piece is connected to the upper part of the outer threaded pipe, the upper part of the inner threaded pipe is engaged with the lower part of the outer threaded pipe, and the lower end of the inner threaded pipe is connected to the base.

[0011] Further, the inclined support is provided with a two-section plug-in structure.

[0012] Further, the main body frame is provided with a caster at each of the four corners of the bottom of the main body frame.

[0013] Further, the main body frame is provided with a traction frame on one side of the main body frame.

[0014] Compared with the prior art, the utility model mainly has the following beneficial technical effects:

[0015] 1. The utility model has the advantages of lightness, flexibility, reliability, safety and low cost, effectively overcomes the defects of conventional loading and unloading tools, such as being complicated, heavy and high cost, and is very suitable for the carrying and loading and unloading of light objects.

[0016] 2. The popularization and use of the utility model effectively solve the problem of lack of labor force, and also provide the liberated labor force with the opportunity to explore wider working channels.

[0017] 3. The utility model discloses can be independent in situ small -range loading and unloading operation, also can load electric tricycle, motor tricycle, tractor, four -wheel, six -wheel car and complete high place loading and unloading and facilitate long -range migration operation.

[0018] 4. The utility model discloses power can adopt electric form, also can adopt fuel engine motion form under the condition of inconvenient electricity.

[0019] 5. The utility model discloses operation control can adopt manual form, also can adopt remote control form.

[0020] 6. The utility model discloses the embrace and clamping mechanism can change according to the shape specification of article in time corresponding.

[0021] 7. The utility model discloses simple and reasonable structure, convenient production, economic and practical, with good popularization prospect. DRAWINGS

[0022] Figure 1 It is overall structure layout schematic drawing for the utility model;

[0023] Figure 2 It is hydraulic cylinder connection and control schematic drawing for the utility model;

[0024] Figure 3 It is gear rack mechanism schematic drawing for the utility model;

[0025] Figure 4 It is rotating mechanism schematic drawing for the utility model;

[0026] Figure 5 It is fixed adjusting part structure schematic drawing for the utility model embrace and clamping mechanism;

[0027] In the figure: 1 - movable arc-shaped clamping plate, 2 - fixed adjusting part, 3 - front movable arm, 4 - rear movable arm, 5 - second gear and rack mechanism, 6 - third hydraulic cylinder inlet and outlet port, 7 - cross arm, 8 - stand column, 9 - rotating mechanism, 10 - main body frame, 11 - hydraulic pump station, 12 - fourth hydraulic cylinder inlet and outlet port, 13 - third gear and rack mechanism, 14 - lower flat plate, 15 - pipe clamp, 16 - inserted outer pipe, 17 - inserted inner pipe, 18 - base, 19 - inner threaded pipe, 20 - outer threaded pipe, 21 - U-shaped piece, 22 - first gear and rack mechanism, 23 - first hydraulic cylinder inlet and outlet port, 24 - tension spring, 25 - pull rope, 26 - second hydraulic cylinder inlet and outlet port, 27 - inclined support, 28 - upper flat plate, 29 - first hydraulic cylinder, 30 - piston rod, 31 - second hydraulic cylinder, 32 - third hydraulic cylinder, 33 - high-pressure oil pipe, 34 - fourth hydraulic cylinder, 35 - fourth operating handle, 36 - first operating handle, 37 - second operating handle, 38 - third operating handle, 39 - gear, 40 - fixed shaft, 41 - rack, 42 - hydraulic cylinder, 43 - rack pulley, 44 - bolt, 45 - top plate, 46 - part side wall, 47 - rotating plate, 48 - upper bearing, 49 - outer cylinder, 50 - rotating rod, 51 - lower bearing, 52 - fixed plate, 53 - hinge, 54 - stud, 55 - nut, 56 - balance adjusting bolt, 56.1 - bolt body, 56.2 - buffer spring, 56.3 - collar. DETAILED DESCRIPTION

[0028] The utility model will be described in detail below in combination with the embodiments and drawings. Embodiment 1

[0029] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A portable and flexible loading and unloading machine, comprising a frame mechanism, a hydraulic mechanism, a rotating mechanism 9, a supporting mechanism, a clamping mechanism, a first gear and rack mechanism 22, a second gear and rack mechanism 5, a third gear and rack mechanism 13, a supporting leg mechanism, a cross arm 7, a rear movable arm 4 and a front movable arm 3; the frame mechanism comprises a main body frame 10, an upper flat plate 28 and a lower flat plate 14; the hydraulic mechanism comprises a hydraulic pump station 11, a high-pressure oil pipe 33 and hydraulic cylinders 42, the hydraulic cylinders 42 comprise a first hydraulic cylinder 29, a second hydraulic cylinder 31, a third hydraulic cylinder 32 and a fourth hydraulic cylinder 34; the rotating mechanism 9 comprises an outer cylinder 49, a rotating rod 50, a rotating plate 47 and bearings, the upper end of the outer cylinder 49 is connected to the upper flat plate 28, the lower end is connected to the lower flat plate 14, the top of the rotating rod 50 is connected to the rotating plate 47, the bearings comprise upper bearings 48 and lower bearings 51, which are respectively sleeved around the upper part and the lower part of the rotating rod 50, and a gap is provided between the outer ring of the bearings and the outer cylinder 49; the supporting mechanism comprises a vertical column 8 and an inclined support 27, the lower ends of the vertical column 8 and the inclined support 27 converge at the rotating plate 47, and the upper ends of the vertical column 8 and the inclined support 27 are respectively connected to the front part and the rear part of the cross arm 7; the clamping mechanism is connected to the front end of the front movable arm 3; the inner cavity of the front movable arm 3 is installed with the first hydraulic cylinder 29, the rear end of the front movable arm 3 is hingedly connected to the front end of the rear movable arm 4 externally and is internally adjusted in relative position by the first gear and rack mechanism 22; the inner cavity of the rear movable arm 4 is installed with the second hydraulic cylinder 31, the rear end of the rear movable arm 4 is hingedly connected to the front end of the cross arm 7 externally and is internally adjusted in relative position by the second gear and rack mechanism 5; the inner cavity of the cross arm 7 is installed with the third hydraulic cylinder 32; the lower part of the rotating rod 50 and the bottom of the main body frame 10 are adjusted in the rotating direction of the rotating rod 50 by the third gear and rack mechanism 13, and the bottom of the main body frame 10 is installed with the fourth hydraulic cylinder 34; the supporting leg mechanism is connected to the main body frame 10; the piston rod 30 of the first hydraulic cylinder 29 is connected to the clamping mechanism, the piston rod 30 of the second hydraulic cylinder 31 is connected to the rear end of the rack 41 of the first gear and rack mechanism 22, the piston rod 30 of the third hydraulic cylinder 32 is connected to the rear end of the rack 41 of the second gear and rack mechanism 5, the piston rod 30 of the fourth hydraulic cylinder 34 is connected to the rear end of the rack 41 of the third gear and rack mechanism 13, and the inlet and outlet ports 23, 26, 6 and 12 of the first, second, third and fourth hydraulic cylinders are connected to the hydraulic pump station 11 through the high-pressure oil pipe 33.

[0030] The first gear rack mechanism 22, the second gear rack mechanism 5 and the third gear rack mechanism 13 are of the same structure, in addition to including gears 39 and racks 41 that mesh with each other, they also include rack pulleys 43, top plates 45 and bolts 44; the rack pulleys 43 are installed at the lower part of the racks 41, the rack pulleys 43 slide on the top plates 45, the rear end of the top plates 45 is hinged to the component side wall 46 at the position, the bolts 44 position the top plates 45 by pressing against the component side wall 46; the gear 39 of the first gear rack mechanism 22 is fixed to the rear end of the front movable arm 3 through a fixed shaft 40, the gear 39 of the second gear rack mechanism 5 is fixed to the rear end of the rear movable arm 4 through a fixed shaft 40, and the gear 39 of the third gear rack mechanism 13 is fixed to the lower end of the rotating rod 50 through a fixed shaft 40. The arrangement of the rack pulleys 43 greatly reduces the resistance of the rack 39 in operation. The angle of the top plate 45 can be adjusted by adjusting the up and down position of the bolt 44.

[0031] The hydraulic pump station 11 is provided with a first operation handle 36 for controlling the first hydraulic cylinder 29, a second operation handle 37 for controlling the second hydraulic cylinder 31, a third operation handle 38 for controlling the third hydraulic cylinder 32 and a fourth operation handle 35 for controlling the fourth hydraulic cylinder 34. Embodiment 2

[0032] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 . A portable and flexible loading and unloading machine, based on the technical solutions described in Embodiment 1, the clamping mechanism includes a fixed plate 52, two movable arc-shaped clamping plates 1, two pull ropes 25, two tension springs 24, two hinges 53 and a fixed adjusting component 2, the fixed plate 52 is connected to the front end of the front movable arm 3 through the fixed adjusting component 2, the lower part of the two sides of the fixed plate 52 is connected to the outer side upper part of the two movable arc-shaped clamping plates 1 through the hinges 53 respectively, the upper part is connected to the outer side middle part of the two movable arc-shaped clamping plates 1 through the tension springs 24 respectively, the upper end of the two pull ropes 25 passes through the fixed plate 52 and is connected to the front end of the piston rod 30 of the first hydraulic cylinder 29 in the inner cavity of the front movable arm 3, and the lower end is connected to the inner side middle part of the two movable arc-shaped clamping plates 1 respectively.

[0033] The fixed adjusting component 2 comprises a stud 54, a balance adjusting bolt 56 and a nut 55, the balance adjusting bolt 56 comprises a bolt body 56.1, a sleeve 56.3 fixed to the top end of the bolt body 56.1 and a buffer spring 56.2 sleeved around the bolt body 56.1, the two balance adjusting bolts 56 are vertically inserted and spaced on the fixed plate 52 and fastened by the nut 55, the stud 54 passes through the two sleeves 56.3 and is fastened by the nut 55 at both ends, and the middle part of the stud 54 is connected with the front end of the front movable arm 3. The buffer spring 56.2 is arranged to buffer the force, so that the fixing between the fixed plate 52 and the front movable arm 3 is more balanced and firm, and the clamping mechanism is more stable during the opening and closing process, thereby laying a foundation for accurate loading and unloading. Embodiment 3

[0034] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 . A portable and flexible loading and unloading machine, based on the technical solution described in embodiment 1, the leg mechanism comprises a plug-in outer tube 16, a plug-in inner tube 17, a tube clamp 15, an outer threaded tube 19, an inner threaded tube 20, a U-shaped piece 21 and a base 18, the plug-in outer tube 16 and the plug-in inner tube 17 are matched in the transverse direction, the rear end of the plug-in outer tube 16 is fixed with the edge of the main frame 10 by the tube clamp 15, the front end of the plug-in inner tube 17 is placed in the U-shaped piece 21 and fixed by a pin, the bottom of the U-shaped piece 21 is connected with the upper part of the outer threaded tube 20, the upper part of the inner threaded tube 19 is engaged with the lower part of the outer threaded tube 20, and the lower end of the inner threaded tube 19 is connected with the base 18. In fact, the leg mechanism can play a good fixing role by being equipped with a set of the leg mechanism at each end of one side of the main frame 10, so as to ensure the stable operation of the loading and unloading machine. Embodiment 4

[0035] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 . A portable and flexible loading and unloading machine, based on the technical solution described in embodiment 1, the diagonal brace 27 is provided in a two-section plug-in structure to facilitate installation and adjustment; the main frame 10 is provided with a wheel at each of the four corners of the bottom to facilitate movement; and the main frame 10 is provided with a traction frame on one side to facilitate traction by a vehicle.

[0036] In order for those skilled in the art to better understand the present application, the basic working process thereof is briefly introduced as follows:

[0037] According to the on-site situation of the to-be-loaded articles, select a suitable position to park the loading and unloading machine, adjust the leg mechanism, and make the loading and unloading machine stable and reliable. Start the hydraulic pump station 11, control the fourth hydraulic cylinder 34 with the fourth operating handle 35, use the piston rod 30 to drive the rack 41 and the gear 39 of the third gear rack mechanism 13 to run in meshing, drive the rotating rod 50 to rotate, thereby driving the column 8, the inclined strut 27, the cross arm 7, the rear movable arm 4 and the front movable arm 3 to rotate as a whole through the rotating plate 47, and adjusting the movable arc-shaped clamping plate 1 above the articles; control the third hydraulic cylinder 32 with the third operating handle 38, use the piston rod 30 to drive the rack 41 and the gear 39 of the second gear rack mechanism to run in meshing, and adjust the up-down angle of the rear movable arm 4; control the second hydraulic cylinder 31 with the second operating handle 37, use the piston rod 30 to drive the rack 41 and the gear 39 of the first gear rack mechanism 22 to run in meshing, and adjust the up-down angle of the front movable arm 3; through the up-down angle adjustment of the rear movable arm 4 and the front movable arm 3, the opened movable arc-shaped clamping plate 1 approaches the articles; control the first hydraulic cylinder 29 with the first operating handle 36, make the piston rod 30 retreat to tighten the pull rope 25, and promote the lower part of the two movable arc-shaped clamping plates 1 to clamp the articles; similarly, through the control of the fourth operating handle 35, the third operating handle 38 and the second operating handle 37, the clamped articles are turned to the vehicle receiving the articles, and then the first operating handle 36 is used to control the first hydraulic cylinder 29, the piston rod 30 advances to loosen the pull rope 25, the two movable arc-shaped clamping plates 1 are reopened under the rebounding action of the two tension springs 24, and are ready for the continuous loading work. According to the work requirements, the manual control mode can be changed to a remote control mode, as long as the corresponding remote controller is configured.

Claims

1. A portable and flexible straddle carrier, characterized in that The application relates to a frame mechanism, a hydraulic mechanism, a rotating mechanism, a supporting mechanism, a clamping mechanism, a first gear and rack mechanism, a second gear and rack mechanism, a third gear and rack mechanism, a supporting leg mechanism, a cross arm, a rear movable arm and a front movable arm; the frame mechanism comprises a main body frame, an upper flat plate and a lower flat plate; the hydraulic mechanism comprises a hydraulic pump station, a high-pressure oil pipe and hydraulic cylinders, wherein the hydraulic cylinders comprise first, second, third and fourth hydraulic cylinders; the rotating mechanism comprises an outer cylinder, a rotating rod, a rotating plate and a bearing, the upper end of the outer cylinder is connected with the upper flat plate, the lower end is connected with the lower flat plate, the top of the rotating rod is connected with the rotating plate, the bearing is sleeved around the rotating rod, and a gap is arranged between the outer ring of the bearing and the outer cylinder; the supporting mechanism comprises a stand and a diagonal brace, the lower ends of the stand and the diagonal brace converge at the rotating plate, and the upper ends of the stand and the diagonal brace are respectively connected with the front part and the rear part of the cross arm; the clamping mechanism is connected with the front end of the front movable arm; the inner cavity of the front movable arm is provided with the first hydraulic cylinder, the rear end of the front movable arm is hingedly connected with the front end of the rear movable arm outside and is internally adjusted in the relative position through the first gear and rack mechanism; the inner cavity of the rear movable arm is provided with the second hydraulic cylinder, the rear end of the rear movable arm is hingedly connected with the front end of the cross arm outside and is internally adjusted in the relative position through the second gear and rack mechanism; the inner cavity of the cross arm is provided with the third hydraulic cylinder; the lower part of the rotating rod is adjusted in the rotating direction through the third gear and rack mechanism with the bottom of the main body frame, and the bottom of the main body frame is provided with the fourth hydraulic cylinder; the supporting leg mechanism is connected with the main body frame; the piston rod of the first hydraulic cylinder is connected with the clamping mechanism, the piston rod of the second hydraulic cylinder is connected with the rear end of the rack of the first gear and rack mechanism, the piston rod of the third hydraulic cylinder is connected with the rear end of the rack of the second gear and rack mechanism, the piston rod of the fourth hydraulic cylinder is connected with the rear end of the rack of the third gear and rack mechanism, and the inlet and outlet oil ports of the first, second, third and fourth hydraulic cylinders are connected with the hydraulic pump station through the high-pressure oil pipe.

2. The portable and flexible straddle loader according to claim 1, characterized by The first, second and third gear and rack mechanisms are the same in structure, and besides comprising gears and racks which are mutually meshed, the gear and rack mechanism further comprises a rack pulley, a top plate and a bolt; the rack pulley is arranged at the lower part of the rack, slides on the top plate, the rear end of the top plate is hingedly connected with the side wall of the component at the position, and the bolt is positioned by being passed through the component side wall to press the top plate; the gear of the first gear and rack mechanism is fixed to the rear end of the front movable arm through a fixing shaft, the gear of the second gear and rack mechanism is fixed to the rear end of the rear movable arm through a fixing shaft, and the gear of the third gear and rack mechanism is fixed to the lower end of the rotating rod through a fixing shaft.

3. The portable and flexible straddle loader according to claim 1, characterized by The hydraulic pump station is provided with a first operation handle for controlling the first hydraulic cylinder, a second operation handle for controlling the second hydraulic cylinder, a third operation handle for controlling the third hydraulic cylinder and a fourth operation handle for controlling the fourth hydraulic cylinder.

4. The portable and flexible straddle loader according to claim 1, characterized by The bearing comprises upper and lower bearings which are respectively sleeved at the upper and lower parts of the rotating rod.

5. The portable and flexible straddle loader according to claim 1, characterized by The clamping mechanism comprises a fixed plate, two movable arc-shaped clamping plates, two pull ropes, two tension springs, two hinges and a fixed adjusting component, the fixed plate is connected to the front end of the front movable arm through the fixed adjusting component, the lower surface of the fixed plate on both sides is respectively connected to the outer side upper part of the two movable arc-shaped clamping plates through the hinges, the upper surface is respectively connected to the outer side middle part of the two movable arc-shaped clamping plates through the tension springs, the upper end of the two pull ropes is connected to the front end of the piston rod of the first hydraulic cylinder in the inner cavity of the front movable arm through the fixed plate, and the lower end is respectively connected to the inner side middle part of the two movable arc-shaped clamping plates.

6. The portable and flexible straddle loader according to claim 5, characterized by The fixed adjusting component comprises a stud, a balance adjusting bolt and a nut, the balance adjusting bolt comprises a bolt body, a sleeve ring and a buffer spring, the sleeve ring is fixed to the top end of the bolt body, the buffer spring is sleeved around the bolt body, the two balance adjusting bolts are vertically inserted in the fixed plate at intervals and are fastened with the nut, the stud passes through the two sleeve rings and is fastened at both ends with the nut, and the middle part of the stud is connected to the front end of the front movable arm.

7. The portable and flexible straddle carrier according to claim 1, characterized in that The leg mechanism comprises a plug-in outer tube, a plug-in inner tube, a tube clamp, an outer threaded tube, an inner threaded tube, a U-shaped piece and a base, the plug-in outer tube and the plug-in inner tube are transversely matched and plugged, the rear end of the plug-in outer tube is fixed to the edge of the main body frame with the tube clamp, the front end of the plug-in inner tube is arranged in the U-shaped piece and is fixed with a pin, the bottom of the U-shaped piece is connected to the upper part of the outer threaded tube, the upper part of the inner threaded tube is engaged with the lower part of the outer threaded tube, and the lower end of the inner threaded tube is connected to the base.

8. The portable and flexible straddle loader according to claim 1, characterized by The inclined support is provided in a two-section plug-in structure.

9. The portable and flexible straddle loader according to claim 1, characterized by The main body frame is provided with a caster at each of the four corners of the bottom thereof.

10. The portable and flexible straddle loader according to claim 1, characterized by The main body frame is provided with a traction frame on one side thereof.

Images