CN220807228U - Clamping mechanism for electric pick and electric pick vehicle - Google Patents

Abstract

The utility model provides a clamping mechanism for an electric pick and an electric pick vehicle thereof, wherein the clamping mechanism for the electric pick comprises an upper clamping piece and a lower clamping piece, the upper clamping piece is provided with at least two concave arc-shaped clamping parts A with different specifications, the lower clamping piece is provided with at least two concave arc-shaped clamping parts B with different specifications, and after the upper clamping piece and the lower clamping piece are connected, the concave arc-shaped clamping parts A of the upper clamping piece and the concave arc-shaped clamping parts B of the corresponding lower clamping piece form at least two clamping holes with different specifications. The utility model solves the problem of how to enable the same group of clamping pieces to have the function of clamping a plurality of electric picks with different brands and/or specifications in the prior art.

Description

Clamping mechanism for electric pick and electric pick vehicle

Technical Field

The utility model relates to the technical field of electric pick vehicles, in particular to a clamping mechanism for an electric pick and the electric pick vehicle thereof.

Background

When the electric pick car is replaced by the electric pick with different brands and/or different specifications, because the electric pick with different shapes or specifications is different, different clamping pieces (namely, a group of clamping pieces can only clamp one electric pick car with one brand and/or specification) need to be replaced, the different electric picks can be fixed on the electric pick car, the utilization rate of the clamping pieces is low, a large number of different clamping pieces need to be prepared for meeting the requirement of replacing the electric pick, and the electric pick car is inconvenient to carry and store.

Therefore, how to make the same group of clamping members have the function of clamping a plurality of electric picks with different brands and/or specifications becomes a technical problem to be solved.

Disclosure of utility model

The utility model aims to provide a clamping mechanism for an electric pick and an electric pick vehicle thereof, which mainly solve the technical problem of how to enable the same group of clamping pieces to have the functions of clamping a plurality of electric picks with different brands and/or different specifications in the prior art.

To achieve the above object, the present utility model is achieved by: clamping mechanism for electric pick, its characterized in that: the clamping mechanism comprises an upper clamping piece and a lower clamping piece, wherein the upper clamping piece is provided with at least two concave arc-shaped clamping parts A with different specifications, the lower clamping piece is provided with at least two concave arc-shaped clamping parts B with different specifications, and after the upper clamping piece is connected with the lower clamping piece, the concave arc-shaped clamping parts A of the upper clamping piece and the concave arc-shaped clamping parts B of the corresponding lower clamping piece form at least two clamping holes with different specifications.

Further, this fixture includes the last holder of first group and lower holder, first holder and first holder down promptly, first last holder is equipped with the first indent arc clamping part A of two specifications, be first indent arc clamping part A1 and first indent arc clamping part A2 respectively, first holder is equipped with the first indent arc clamping part B of two different specifications, be first indent arc clamping part B1 and first indent arc clamping part B2 respectively, first indent arc clamping part A1 corresponds the centre gripping hole of first indent arc clamping part B1 formation specification, first indent arc clamping part A2 corresponds first indent arc clamping part B2 and forms the centre gripping hole of another specification.

Further, this fixture still includes the last holder of second group and lower holder, the second that is L shape goes up holder and L shape's second down holder, the second goes up holder and is equipped with the second indent arc clamping part A of four different specifications, be second indent arc clamping part A1 respectively, second indent arc clamping part A2, second indent arc clamping part A3 and second indent arc clamping part A4, the second is equipped with the second indent arc clamping part B of four different specifications, be second indent arc clamping part B1 respectively, second indent arc clamping part B2, second indent arc clamping part B3 and second indent arc clamping part B4 respectively, second indent arc clamping part A1 corresponds second indent arc clamping part B1 and forms the centre gripping hole of first specification, second indent arc clamping part A2 corresponds second indent arc clamping part B2 and forms the centre gripping hole of second specification, second indent arc clamping part A3 corresponds second indent arc clamping part B3 and forms the centre gripping hole of fourth specification, second indent arc clamping part A4 corresponds the second indent arc clamping part B3.

Further, the clamping mechanism further comprises a first mounting frame and a plurality of first connecting rods, the front end of the first mounting frame corresponds to the top of the upper clamping piece of the first group, the bottom of the upper clamping piece of the first group corresponds to the top of the lower clamping piece of the first group, the bottom of the lower clamping piece of the first group corresponds to corresponding mounting holes on the front support frame of the electric pick car, and the first connecting rods sequentially connect the front end of the first mounting frame, the upper clamping piece of the first group, the lower clamping piece of the first group and the front support frame of the electric pick car from top to bottom;

The rear end of the first mounting frame corresponds to the top of the upper clamping piece of the second group, the bottom of the upper clamping piece of the second group corresponds to the top of the lower clamping piece of the second group, the bottom of the lower clamping piece of the second group corresponds to a corresponding mounting hole on the front support frame of the electric pick car, and the first connecting rod sequentially connects the rear end of the first mounting frame, the upper clamping piece of the second group, the lower clamping piece of the second group and the front support frame of the electric pick car from top to bottom.

The utility model provides an electric pick car, is including the preceding support frame that is used for installing the electric pick, preceding support frame links through first connecting axle with back support frame one end, and the back wheel is connected through the second connecting axle to the back support frame other end, its characterized in that: the electric pick vehicle comprises the clamping mechanism for the electric pick and the pedal mechanism for the electric pick vehicle, wherein the pedal mechanism comprises a pedal support frame which is connected with a rear support frame;

The pedal support frame is connected with a pedal inclined plate, and one end of the pedal inclined plate, which is close to the rear support frame, is higher than one end of the pedal inclined plate, which is far away from the rear support frame.

Further, the pedal support frame is connected with the pedal sloping plate through an elastic piece;

And/or the pedal support frame is connected with the rear support frame through a second connecting shaft;

and/or a second universal wheel is arranged below the pedal support frame;

And/or the pedal inclined plate is provided with an anti-skid pattern.

Further, the electric pick vehicle comprises a fixing mechanism for the tail part of the electric pick, the fixing mechanism comprises a third mounting frame used for being connected with a front supporting frame, a third screw hole is formed in the third mounting frame, and a jacking block used for jacking the tail part of the electric pick is connected after a third screw rod penetrates through the third screw hole;

And/or a third clamping block for clamping the tail of the electric pick is further arranged on the third mounting frame.

Further, the electric pick car further comprises a clamping mechanism for the electric pick power line, the clamping mechanism comprises a connecting plate, one end of the connecting plate is connected with the front supporting frame, and a supporting pad and a clamping block for clamping the electric pick power line are arranged at the other end of the connecting plate.

Further, the electric pick car further comprises an angle adjusting mechanism for adjusting the angle of the included angle between the front support frame and the rear support frame, the angle adjusting mechanism comprises an arc dial, a fifth installation frame and a connecting rod, the arc dial is provided with a plurality of clamping grooves, and the arc dial is connected below the front support frame;

The fifth installation frame is connected to the rear support frame, the fifth installation frame is further provided with a fifth U-shaped support, one end of the connecting rod penetrates through two sides of the fifth U-shaped support and then is connected with the locking blocks, the locking blocks correspond to the clamping grooves, a fifth spring is nested in the position, located in the fifth U-shaped support, of the connecting rod, one end, close to the locking blocks, of the fifth spring is connected with the connecting rod, and one end, far away from the locking blocks, of the fifth spring is connected with one end, far away from the locking blocks, of the fifth U-shaped support;

The connecting wire at the other end of the connecting rod is connected with the trigger at the handle.

Further, the electric pick car further comprises a faucet assembly, the faucet assembly comprises a cross rod, two ends of the cross rod are respectively connected with handles, the cross rod is connected to the top of the front support frame through a sixth U-shaped support, and a hollowed-out part is arranged between the cross rod and the front support frame;

And/or the third mounting frame is also provided with a third guide hole, the jacking block is provided with a third guide rod, and the third guide rod passes through the third guide hole;

and/or the front end of the third screw hole is embedded into the jacking block and then is provided with a limiting piece;

and/or the length of the third guide rod is greater than the length of the thread on the third screw rod;

And/or two third clamping blocks, wherein one third clamping block is connected to the third mounting frame, each third clamping block is provided with four concave arc clamping parts which are opposite to each other, and the two third clamping blocks form two third clamping holes corresponding to the horizontal direction and two third clamping holes corresponding to the vertical direction;

And/or the supporting pad is provided with a groove for positioning the power line of the electric pick, and the clamping block and the groove are matched to clamp the power line of the electric pick;

and/or the connecting plate is detachably connected with the wrench;

and/or the support pad is a plastic piece or an elastic support pad;

And/or the elastic piece comprises a first elastic piece and a second elastic piece, the first elastic piece is higher than the second elastic piece, the first elastic piece is arranged at one end of the pedal support frame close to the rear support frame, and the second elastic piece is arranged at one end of the pedal support frame far away from the rear support frame;

And/or the universal wheel is positioned below one end of the pedal support frame far away from the rear support frame;

And/or the bottom of the front end of the front support frame is provided with a roller or a universal wheel;

And/or the front support frame is provided with a pressing plate for fixing the connecting wire;

and/or a tensioning spring is arranged between the front end of the front support frame and the rear support frame;

and/or the rear wheel is detachably connected with the second connecting shaft;

And/or the sixth U-shaped bracket is detachably connected to the top of the front support frame;

And/or one end of the connecting plate is detachably connected with the front supporting frame;

and/or the arc dial is detachably connected below the front support frame;

and/or the fifth mounting rack is detachably connected to the rear supporting rack;

And/or the third mounting frame is detachably connected with the front supporting frame;

And/or the two lower clamping pieces are detachably connected with the front supporting frame;

and/or the other end of the connecting plate faces obliquely upwards, the horizontal projection length of the other end of the connecting plate is greater than that of the corresponding rear wheel, and the horizontal projection length of the other end of the connecting plate is less than that of the corresponding handle;

and/or the other end of the connecting plate is U-shaped, a plastic part is arranged on the lower inner side wall of the U-shaped supporting pad, a groove is formed in the top of the plastic part, a fourth mounting hole is formed in the upper inner side wall of the U-shaped supporting pad, a butterfly bolt is arranged in the fourth mounting hole, the bottom of the butterfly bolt is connected with a clamping block, and the clamping block corresponds to the groove.

In view of the above structure, the present utility model has the advantages that:

1. When the existing electric pick car needs to be replaced with electric picks of different brands and/or different specifications, different clamping pieces need to be replaced due to different shapes or specifications of the electric picks. The clamping mechanism for the electric pick is characterized in that a plurality of groups of concave arc-shaped clamping parts which are correspondingly matched are respectively arranged on the upper clamping piece and the lower clamping piece in the same group to form a plurality of clamping holes (used for clamping the electric pick and fixing the electric pick on a front support frame of an electric pick car), so that the clamping requirements of the electric pick of different brands and/or different specifications are met, the utilization rate of the clamping mechanism is improved, the clamping requirements of most electric picks can be met only by carrying one group or two groups of clamping mechanisms, and the carrying and the storage of the clamping pieces are facilitated.

2. According to the clamping mechanism for the electric pick, the second group of upper clamping pieces and the second group of lower clamping pieces, namely the L-shaped second upper clamping pieces and the L-shaped second lower clamping pieces, each L-shaped clamping piece can be provided with four concave arc-shaped clamping parts with different specifications, so that four clamping holes with different specifications are formed, the application range is wider, and the structural design is more reasonable.

3. The existing electric pick car has only two wheels, and the electric pick car is not stable enough to be pushed during actual use and is easy to swing up and down to deviate. According to the pedal mechanism for the electric pick vehicle, the pedal mechanism connected with the rear support frame is added, so that the pedal inclined plate angle of the pedal mechanism is not influenced by the rear support frame in the use process of the electric pick vehicle, the pedal inclined plate is kept constant, a user can pedal the pedal inclined plate at an angle, the pedal inclined plate is conveniently fixed, stable support is provided for the electric pick vehicle, the good comfort level of the pedal inclined plate is unchanged, the pedal inclined plate is stressed more stably and is not easy to slip, and in other words, the electric pick vehicle can be more comfortably and conveniently stabilized by the user.

4. According to the fixing mechanism for the electric pick tail, the electric pick tail is tightly pressed by the pressing block or clamped by the clamping block, so that the electric pick tail is further fixed, when the electric pick works, the impact force of the electric pick on other clamping mechanisms can be effectively relieved or dispersed by the fixing mechanism, the other clamping mechanisms are protected, the service life of the other clamping mechanisms is prolonged, and meanwhile, the electric pick can be better fixed on an electric pick car by being matched with the other clamping mechanisms.

Drawings

Fig. 1 is a schematic structural view of a first upper clamping member and a first lower clamping member in embodiment 1;

FIG. 2 is a schematic view showing the structure of a second upper clamping member in embodiment 1;

FIG. 3 is a schematic view of the structure of the clamping mechanism (before installation) in embodiment 1;

Fig. 4 is a schematic structural view of the clamping mechanism and the electric pick car in embodiment 1 (before installation);

fig. 5 is a schematic view of the structure of the clamping mechanism and the electric pick car in embodiment 1 (after installation);

fig. 6 is a schematic structural view of the pedal mechanism in embodiment 2.

Fig. 7 is a schematic view showing the structure of the connection of the pedal mechanism and the electric pick-up car in embodiment 3.

Fig. 8 is a schematic structural view of a fixing mechanism for a rear portion of an electric pick according to embodiment 4.

Fig. 9 is a schematic structural view of a fixing mechanism of the embodiment 4 in which a jack block and a screw are mounted.

Fig. 10 is a schematic view of a structure of a fixing mechanism for a rear part of an electric pick according to embodiment 4 and an electric pick car (a manner of pushing up a block, before installation).

Fig. 11 is a schematic view 1 (a manner of pushing up the block, after installation) of a fixing mechanism for an electric pick tail and an electric pick car according to embodiment 4.

Fig. 12 is a schematic structural view 1 (separation of two clamping blocks) of a fixing mechanism for a rear portion of an electric pick according to embodiment 5.

Fig. 12-1 is a perspective view of the third clamp block B of fig. 12.

Fig. 13 is a schematic structural view of a fixing mechanism for a rear portion of an electric pick in embodiment 5 (a combination of two clamping blocks).

Fig. 14 is a schematic view of a structure of a fixing mechanism for a rear part of an electric pick and an electric pick car according to embodiment 5 (two clamping blocks are provided, and after the fixing mechanism is installed).

Fig. 15 is a schematic view 1 of a structure in which a clamping mechanism for a power cord of an electric pick in embodiment 6 is mounted with an electric pick-up truck;

Fig. 16 is a schematic structural view of a clamping mechanism for a power cord of an electric pick in embodiment 6;

Fig. 17 is a schematic view of a structure of a clamping mechanism for a power cord of an electric pick in embodiment 6 mounted with an electric pick car 2;

fig. 18 is a schematic structural view of an angle adjusting mechanism in embodiment 7.

In the figure: 10. clamping mechanism for electric pick; 11. a first upper clamp; 11-1, a first concave arc-shaped clamping part A1;11-2, a first concave arc-shaped clamping part A2;

12. A first lower clamp; 12-1, a first concave arc-shaped clamping part B1;12-2, a first concave arc-shaped clamping part B2;12-3, a first clamping hole;

13. A second upper clamp; 13-1, a second concave arc-shaped clamping part A'1;13-2, a second concave arc-shaped clamping part A'2;13-3, a second concave arc-shaped clamping part A'3;13-4, a second concave arc-shaped clamping part A'4;

14. A second lower clamp; 14-1, a second concave arc-shaped clamping part B'1;14-2, a second concave arc-shaped clamping part B'2;14-3, a second concave arc-shaped clamping part B'3;14-4, a second concave arc-shaped clamping part B'4;14-5, a second clamping hole;

15. A first mounting frame;

16. A first connecting rod;

20. A pedal mechanism; 21. a pedal support frame; 22. a pedal sloping plate; 22-1, anti-skid patterns; 23-1, a first elastic member; 23-2, a second elastic member; 24. a second universal wheel;

30. A fixing mechanism for the tail of the electric pick; 31. a third mounting frame; 31-1, a third screw hole; 31-2, a third guide hole; 32. a third screw; 32-1, a butterfly-shaped rotating part; 33. a tightening block; 34. a third guide bar; 35. a third clamping block;

35-1, a third clamping block A;35-1-1, a third concave arc-shaped clamping part A1;35-1-2, a third concave arc-shaped clamping part A2;35-1-3, a third concave arc-shaped clamping part A3;35-1-4, a third concave arc-shaped clamping part A4;

35-2, a third clamping block B;35-2-1, a third concave arc-shaped clamping part B1;35-2-2, a third concave arc-shaped clamping part B2;35-2-3, a third concave arc-shaped clamping part B3;35-2-4, a third concave arc-shaped clamping part B4;

36. A third clamping hole;

40. A clamping mechanism for the power line of the electric pick; 41. a connecting plate; 41-1, a fourth mounting hole; 42-1, plastic parts; 42-2, grooves; 43. a clamping block; 43-1, a butterfly bolt; 44. a wrench;

50. an angle adjusting mechanism; 51. an arc dial; 51-1, a clamping groove; 52. a fifth mounting bracket; 53. a connecting rod; 54. a fifth U-shaped bracket; 55. a locking block; 56. a fifth spring; 57. a connecting wire; 58. a trigger; 59. tensioning the spring;

60. An electric pick vehicle; 61. a front support; 61-1, a first connecting shaft; 61-2, mounting holes; 62. a rear support; 62-2, a second connecting shaft; 63. a rear wheel; 64. a faucet assembly; 64-1, a handle; 64-2, a cross bar; 64-3, a sixth U-shaped bracket; 64-4, a hollowed-out part; 65. a pressing plate;

70. an electric pick; 71. a working head.

Detailed Description

The utility model is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.

Referring to fig. 1 to 5, embodiment 1 provides a clamping mechanism for an electric pick, including an upper clamping member and a lower clamping member, the upper clamping member is provided with at least two concave arc clamping portions a with different specifications, the lower clamping member is provided with at least two concave arc clamping portions B with different specifications, and after the upper clamping member is connected with the lower clamping member, the concave arc clamping portions a of the upper clamping member and the concave arc clamping portions B of the corresponding lower clamping member form at least two clamping holes with different specifications. Through set up the corresponding complex indent arc clamping part of multiunit on last clamping piece and lower clamping piece respectively, form the centre gripping hole of a plurality of different specifications, the centre gripping hole of equidimension or diameter promptly for press from both sides tight electric pick 70, fix electric pick 70 on the preceding support frame of electric pick car, satisfy the electric pick 70 centre gripping demand of a plurality of different brands and/or different specifications, improve fixture 10's utilization ratio, only carry one set of or two sets of fixture can satisfy the centre gripping demand of most electric pick 70, the carrying and the accomodating of the clamping piece of being convenient for.

For example, in a first application scenario, the clamping mechanism 10 includes a first group of upper clamping members and lower clamping members, that is, a first upper clamping member 11 and a first lower clamping member 12, where the shapes of the two upper clamping members are identical, the first upper clamping member 11 is provided with a first concave arc clamping portion a of two specifications, which is a first concave arc clamping portion a111-1 and a first concave arc clamping portion a211-2, respectively, the first lower clamping member 12 is provided with a first concave arc clamping portion B of two different specifications, which is a first concave arc clamping portion B112-1 and a first concave arc clamping portion B212-2, the first concave arc clamping portion a111-1 corresponds to the first concave arc clamping portion B112-1 to form a clamping hole of one specification, and the first concave arc clamping portion a211-2 corresponds to the first concave arc clamping portion B212-2 to form a clamping hole of another specification. One of the two types of clamping holes is selected for use, for example, the first concave arc-shaped clamping portion a111-1 in embodiment 1 corresponds to the first concave arc-shaped clamping portion B112-1 to form a clamping hole of one type, i.e. the first clamping hole 12-3.

For example, a second scene is used, on the basis of the first scene, a second group of upper clamping pieces and lower clamping pieces are added, namely an L-shaped second upper clamping piece 13 and an L-shaped second lower clamping piece 14, the shapes of the two clamping pieces are identical, the second upper clamping piece 13 is provided with four second concave arc clamping parts A 'with different specifications, namely a second concave arc clamping part A'113-1, a second concave arc clamping part A '213-2, a second concave arc clamping part A'313-3 and a second concave arc clamping part A '413-4, the second lower clamping piece 14 is provided with four second concave arc clamping parts B' with different specifications, namely a second concave arc clamping part B '114-1, a second concave arc clamping part B'214-2, a second concave arc clamping part B '314-3 and a second concave arc clamping part B'414-4, the second concave arc-shaped clamping part A '113-1 corresponds to the second concave arc-shaped clamping part B'114-1 to form a clamping hole of a first specification, the second concave arc-shaped clamping part A '213-2 corresponds to the second concave arc-shaped clamping part B'214-2 to form a clamping hole of a second specification, the second concave arc-shaped clamping part A '313-3 corresponds to the second concave arc-shaped clamping part B'314-3 to form a clamping hole of a third specification, the second concave arc-shaped clamping part A '413-4 corresponds to the second concave arc-shaped clamping part B'414-4 to form a clamping hole of a fourth specification, one of the clamping holes of the four specifications is selected for use, for example, the second concave arc-shaped clamping part A '113-1 corresponds to the second concave arc-shaped clamping part B'114-1 in the embodiment 1 to form the clamping hole of the first specification, i.e. the second clamping hole 14-5.

In addition, one side (such as a short side) of the L-shaped second upper clamping piece and the second lower clamping piece is used for forming a clamping hole, and the other side (such as a long side) of the electric pick 70 is positioned on the side face of the electric pick 70, so that a certain protection effect is achieved on the electric pick 70.

Of course, the upper clamping member and the lower clamping member of the second group can also be used independently for clamping the electric pick and fixing the electric pick on the front support frame of the electric pick vehicle.

The upper clamping piece and the lower clamping piece of the first group and the upper clamping piece and the lower clamping piece of the second group can be supported by plastic pieces, and the middle of the plastic pieces is provided with reinforcing ribs, so that the weight can be reduced, and the good strength of the clamping pieces is ensured.

The clamping mechanism 10 further comprises a first mounting frame 15 and a plurality of first connecting rods 16, wherein the front end of the first mounting frame 15 corresponds to the top of a first group of upper clamping pieces (namely, a first upper clamping piece 11), the bottom of the first group of upper clamping pieces corresponds to the top of a first group of lower clamping pieces (namely, a first lower clamping piece 12), the bottom of the first group of lower clamping pieces corresponds to corresponding mounting holes 61-2 on a front support frame of the electric pick car, and the first connecting rods 16 sequentially connect the front end of the first mounting frame 15, the first group of upper clamping pieces, the first group of lower clamping pieces and the front support frame of the electric pick car from top to bottom, and fix the front end of the electric pick 70 on the electric pick car 60 through the first group of upper clamping pieces and the first lower clamping pieces.

The rear end of the first mounting frame 15 corresponds to the top of the upper clamping piece of the second group (namely the second upper clamping piece 13), the bottom of the upper clamping piece of the second group corresponds to the top of the lower clamping piece of the second group (namely the second lower clamping piece 14), the bottom of the lower clamping piece of the second group corresponds to the corresponding mounting hole 61-2 on the front support frame of the electric pick car, and the first connecting rod 16 sequentially connects the rear end of the first mounting frame 15, the upper clamping piece of the second group, the lower clamping piece of the second group and the front support frame of the electric pick car from top to bottom. The middle end of the electric pick 70 is secured to the electric pick car 60 by a second set of upper and lower clamps.

The front end and the middle end of the electric pick 70 are fixed on the electric pick car 60, so that the electric pick 70 is connected with the electric pick car 60 more stably, and the electric pick is safer to use.

The first lower clamping member 12 and the second lower clamping member 14 can also be used for lifting the electric pick 70 to increase the distance between the electric pick 70 and the electric pick car 60, so that the electric pick 70 is prevented from being directly contacted with the front support frame of the electric pick car 60, and the electric pick 70 is prevented from being damaged by friction, and can be still fixed on the electric pick car 60 by utilizing the clamping mechanism after rotating a certain angle (such as 90 degrees, 45 degrees, 30 degrees and the like) along the central axis of the electric pick 70, so that the electric pick 70 can be used in various modes, such as the working head 71 of the electric pick 70 can be used horizontally, vertically or obliquely.

The front support 61 is provided with a plurality of mounting holes 61-2 for adjusting the specific mounting positions of the first lower clamping member 12 and the second lower clamping member 14 on the front support 61.

Referring to fig. 6 to 7, embodiment 2 provides an electric pick car, which comprises a clamping mechanism 10 for an electric pick of the above embodiment 1, a rear supporting frame 62 for supporting a front supporting frame 61, the front supporting frame 61 for installing and fixing the electric pick, and a pedal mechanism 20 for the electric pick car, wherein the pedal mechanism 20 comprises a pedal supporting frame 21, the pedal supporting frame 21 is connected with the rear supporting frame 62, and an operator can also step on a pedal inclined plate 22 to help fix the electric pick car 60, so as to help relieve impact force of the electric pick to the electric pick car 60, the pedal inclined plate 22 is connected to the pedal supporting frame 21, and one end of the pedal inclined plate 22, which is close to the rear supporting frame 62, is higher than one end of the pedal inclined plate 22, which is far away from the rear supporting frame 62. No matter how the angles of the front support frame 61 and the rear support frame 62 are adjusted, the inclination angle of the pedal inclined plate 22 is not affected, that is, the inclination angle of the pedal inclined plate 22 is not changed once being fixed (that is, the pedal inclined plate 22 and the ground always keep a fixed angle), the pedal inclined plate 22 is always fixed by the foot of a user, so that the electric pick car 60 is stably supported, the good comfort of the pedal inclined plate 22 is not changed, the pedal inclined plate 22 is stressed more stably, and the electric pick car is not easy to slip, that is, the electric pick car can be more comfortably and conveniently fixed by the user. The user steps on the pedal and forwards pedal with force, so that forward thrust can be applied, the hand thrust is reduced, and the use is more labor-saving.

Or the pedal support frame 21 is connected with the rear support frame 62 through a connecting shaft (such as the second connecting shaft 62-2), and the pedal support frame 21 can be turned over with the pedal inclined plate 22 so as to be convenient for storage.

Preferably, the pedal support 21 is connected to the pedal inclined plate 22 through an elastic member, for example, the elastic member comprises a first elastic member 23-1 and a second elastic member 23-2, the first elastic member 23-1 is higher than the second elastic member 23-2, the first elastic member 23-1 is disposed at one end of the pedal support 21 close to the rear support 62, and the second elastic member 23-2 is disposed at one end of the pedal support 21 far from the rear support 62, so that the operator can conveniently tread on the pedal inclined plate 22. The impact force of the electric pick is sequentially transmitted to the front support frame 61, the rear support frame 62, the pedal support frame 21, the elastic pieces (such as the first elastic piece 23-1 and the second elastic piece 23-2) and the pedal inclined plate 22, and finally, the impact force of the electric pick can be effectively relieved by the elastic pieces, and the impact force on the feet of an operator is reduced by the elastic pieces.

Preferably, the second universal wheel 24 is arranged below the pedal support frame 21, and the pedal mechanism 20 can conveniently and synchronously move the position when the electric pick car 60 needs to move the position. For example, the second universal wheels 24 are located below one end of the pedal support frame 21 far away from the rear support frame 62, and are combined with the rear support frame 62 which is respectively connected with the two sides of the front end of the pedal support frame 21 through connecting shafts (such as the second connecting shaft 62-2), or the two sides of the front end of the pedal support frame 21 are respectively connected with the rear support frame 62, so that three-point support of the pedal support frame 21 is formed, and the pedal inclined plate 22 is more stable.

Preferably, the pedal inclined plate 22 is provided with the anti-skid pattern 22-1, so that the user cannot easily slip and is safer when stepping on the pedal inclined plate 22.

Referring to fig. 6, embodiment 3 provides an electric pick car, which comprises a front support frame 61 for mounting an electric pick, one end of a rear support frame 62 is linked with one end of the rear support frame 61 through a first connecting shaft 61-1, the other end of the rear support frame 62 is connected with a rear wheel 63 through a second connecting shaft 62-2, the electric pick car 60 further comprises a pedal mechanism 20 for the electric pick car, which is mentioned in the above embodiment, the pedal support frame 21 is connected with the rear support frame 62 through the second connecting shaft 62-2, the pedal support frame 21 and the rear wheel 63 share one second connecting shaft 62-2, the pedal support frame 21 is turned over along the second connecting shaft 62-2, so that the pedal support frame 21 and the rear support frame 62 are folded together, and the pedal mechanism 20 is better accommodated.

Referring to fig. 8 to 11, in a specific embodiment 4, the present embodiment 4 provides an electric pick cart, which includes a clamping mechanism for an electric pick, a pedal mechanism 20 for an electric pick cart, and a rear support frame 62 for supporting a front support frame 61, where the front support frame 61 is used for installing and fixing the electric pick, so as to facilitate the operation of the electric pick, and the electric pick cart 60 further includes a fixing mechanism 30 for fixing the tail of the electric pick 70, where the fixing mechanism 30 includes a third mounting frame 31 for connecting the front support frame, a third screw hole 31-1 is provided on the third mounting frame 31, and a tightening block 33 for tightening the tail of the electric pick 70 is connected after the third screw rod 32 passes through the third screw hole 31-1; the jacking block 33 moves back and forth under the drive of the third screw rod 32, so that jacking and loosening operations of the jacking block 33 on the tail part of the electric pick 70 are realized, the electric pick 70 is conveniently fixed together with other clamping mechanisms, impact force of the electric pick 70 can be effectively buffered, impact force of the electric pick 70 on other clamping mechanisms is relieved, other clamping mechanisms are effectively protected, and service life of the other clamping mechanisms is prolonged.

The third mounting frame 31 is further provided with a third guide hole 31-2, the tightening block 33 is provided with a third guide rod 34, the third guide rod 34 penetrates through the third guide hole 31-2, two third guide holes 31-2 and two third guide rods 34 are respectively arranged on two sides of the third screw rod 32 in the embodiment 1, the third screw rod 32 is ensured to move back and forth along a fixed track with the tightening block 33, the tightening block 33 is not rotated all the time, the tail of the electric pick 70 can be aligned all the time, and the tightening block 33 is ensured to have a good tightening effect on the tail of the electric pick 70.

When the front end of the third screw rod 32 is embedded into the jacking block 33 and then is provided with a limiting piece (not shown in the drawing), and when the third screw rod 32 moves backwards with the jacking block 33 (namely, is far away from the tail of the electric pick 70), the limiting piece prevents the front end of the third screw rod 32 from separating from the jacking block 33, so that the front end of the third screw rod 32 and the jacking block 33 are always sheathed together, and the butterfly-shaped rotating part 32-1 which is convenient for rotating the third screw rod 32 can be added at the rear end of the third screw rod 32.

The length of the third guide bar 34 is longer than the length of the thread on the third screw 32, and the third guide bar 34 is not separated from the corresponding third guide hole 31-2 regardless of the rotation of the third screw 32 and the third screw hole 31-1. The fixed establishment that electric pick afterbody was used cooperates electric pick front end and middle-end fixed (for example through the fixture that electric pick was used), can be through front end, middle-end and rear end three-point fixed electric pick, more stable.

Referring to fig. 12 to 14, embodiment 5 provides a fixing mechanism for a rear part of an electric pick, and embodiment 5 is different from the foregoing embodiments in that: the third mounting frame 31 is further provided with a third clamping block 35 for clamping the tail of the electric pick 70.

Preferably, two third clamping blocks 35 (such as a third clamping block a35-1 and a third clamping block B35-2), wherein one clamping block (such as a third clamping block a 35-1) is connected to the third mounting frame 31, each third clamping block 35 is provided with four opposite third concave arc-shaped clamping parts, and the two third clamping blocks 35 form two third clamping holes 36 corresponding to each other in the horizontal direction and two third clamping holes 36 corresponding to each other in the vertical direction. In embodiment 2, a third concave arc-shaped clamping part is respectively arranged on the upper side, the lower side, the left side and the right side of the third clamping block A35-1, the third concave arc-shaped clamping part A135-1-1, the third concave arc-shaped clamping part A235-1-2, the third concave arc-shaped clamping part A335-1-3 and the third concave arc-shaped clamping part A435-1-4, a third concave arc-shaped clamping part is respectively arranged on the upper side, the lower side, the left side and the right side of the third clamping block B35-2, the third concave arc-shaped clamping part B135-2-1, the third concave arc-shaped clamping part B235-2-2, the third concave arc-shaped clamping part B335-2-3 and the third concave arc-shaped clamping part B435-2-4, the third concave arc-shaped clamping part A135-1-1, the third concave arc-shaped clamping part A235-1-2, the third concave arc-shaped clamping part B135-2-1 and the third concave arc-shaped clamping part B235-2-2 jointly form two corresponding third clamping holes 36, so that the tail of the electric pick 70 is clamped in the vertical direction, the third concave arc-shaped clamping part A335-1-3, the third concave arc-shaped clamping part A435-1-4, the third concave arc-shaped clamping part B335-2-3 and the third concave arc-shaped clamping part B435-2-4 jointly form two corresponding third clamping holes 36, the tail of the electric pick 70 is clamped in the horizontal direction, the electric pick 70 can be used in an adjustable direction, and the clamping effect of the tail of the electric pick 70 is better and firmer.

Referring to fig. 15 to 17, embodiment 6 provides an electric pick car, and embodiment 6 is different from the foregoing embodiments in that: the electric pick car 60 further comprises a clamping mechanism 40 for the electric pick power cord, the clamping mechanism comprises a connecting plate 41, one end of the connecting plate 41 is connected with the front supporting frame 61, and a supporting pad and a clamping block 43 for clamping the electric pick power cord are arranged at the other end of the connecting plate 41.

The electric pick power line positioning device is characterized in that a groove 42-2 for positioning the electric pick power line is formed in the supporting pad, the clamping block 43 and the groove 42-2 are matched to clamp the electric pick power line, for example, the other end of the connecting plate 41 is U-shaped, a plastic piece 42-1 (namely, the supporting pad) is arranged on the lower inner side wall of the U-shaped connecting plate 41, the groove 42-2 is formed in the top of the plastic piece 42-1, a fourth mounting hole 41-1 is formed in the upper inner side wall of the U-shaped supporting pad, the butterfly bolt 43-1 is arranged in the fourth mounting hole 41-1, the bottom of the butterfly bolt 43-1 is connected with the clamping block 43, the clamping block 43 corresponds to the groove 42-2, the electric pick power line is only placed in the groove 42-2, then the butterfly bolt 43-1 is screwed to clamp the clamping block 43 on the electric pick power line, the electric pick power line is matched with the groove 42-2, the electric pick power line is prevented from being wound with the rear wheel 63, and even the electric pick power line is prevented from being pulled.

Preferably, the connection plate 41 is removably connected to the wrench 44 to facilitate access to the wrench 44, and use of the wrench 44 to mount various components of the electric pick car 60 (including, but not limited to, the rear wheels 63, the foot pedal mechanism 20, the angle adjustment mechanism 50, the faucet assembly 64, etc.).

Preferably, the support pad is a plastic part 42-1 or an elastic part, so that the electric pick power line can be clamped and better protected.

The length of connecting plate 41 is convenient for install spanner 44 to the extension as far as possible of connecting plate 41 other end is oriented obliquely upward, utilizes the design of connecting plate 41 other end oriented obliquely upward simultaneously, stabilizes the height position of connecting plate 41 other end, and the horizontal projection length of connecting plate 41 other end is greater than the horizontal projection length of corresponding rear wheel 63, and the horizontal projection length of connecting plate 41 other end is less than the horizontal projection length of corresponding handle 64-1, both can avoid the electric pick power cord to twine with rear wheel 63, can ensure again that the connecting plate 41 other end can not bump with wall etc. because of overlength.

Referring to fig. 18, embodiment 7 provides an electric pick car, and the difference between embodiment 7 and the previous embodiment is that: the electric pick car 60 further comprises an angle adjusting mechanism 50 for adjusting the angle of the included angle between the front support frame 61 and the rear support frame 62, the angle adjusting mechanism 50 comprises an arc dial 51, a fifth mounting frame 52 and a connecting rod 53, the arc dial 51 is provided with a plurality of clamping grooves 51-1, and the arc dial 51 is connected below the front support frame 61;

The fifth mounting frame 52 is connected to the rear supporting frame 62, the fifth mounting frame 52 is further provided with a fifth U-shaped bracket 54, one end of a connecting rod 53 penetrates through two sides of the U-shaped bracket and then is connected with a locking block 55, the locking block 55 corresponds to the clamping groove 51-1, a fifth spring 56 is nested in the position of the connecting rod 53 in the U-shaped bracket, one end of the fifth spring 56 close to the locking block 55 is connected with the connecting rod 53, and one end of the fifth spring 56 far away from the locking block 55 is connected with one end of the fifth U-shaped bracket 54 far away from the locking block 55; the other end of the connecting rod 53 is connected to a connecting wire 57 (e.g., a wire rope) to the trigger 58 at the handle 64-1.

When the angle between the front support frame 61 and the rear support frame 62 needs to be adjusted, the user only needs to control the trigger 58, tighten the connecting wire 57, pull the connecting wire 53 by the connecting wire 57, and the connecting wire 53 drives the locking block 55 to leave the original clamping groove 51-1 (the fifth spring 56 is compressed, and the tightening spring 59 is further stretched), at this time, the front support frame 61 and the rear support frame 62 can be folded or overturned along the first connecting shaft 61-1, after the angle between the front support frame 61 and the rear support frame 62 is adjusted, the user controls the trigger 58 again, loosens the connecting wire 57, at this time, the connecting wire 53 moves forward with the locking block 55 under the action of the fifth spring 56, and the locking block 55 is embedded into the new clamping groove 51-1, at this time, the angle between the front support frame 61 and the rear support frame 62 is adjusted and fixed.

Preferably, a tensioning spring 59 is arranged between the front end of the front supporting frame 61 and the rear supporting frame 62, the tensioning spring 59 is matched with the angle adjusting mechanism 50, triangular shapes and angle fixing are formed among the front supporting frame 61, the rear supporting frame 62 and the tensioning spring 59, the locking block 55 is prevented from accidentally sliding out of the corresponding clamping groove 51-1, the locking block 55 can be tightly clamped in the clamping groove 51-1 all the time, and the use stability (the included angle between the front supporting frame 61 and the rear supporting frame 62 is unchanged) and the use safety of the electric pick car 60 are improved.

Referring to fig. 15, embodiment 8 provides an electric pick car, and the difference between embodiment 8 and the previous embodiment is that: the electric pick car 60 further comprises a faucet assembly 64, the faucet assembly 64 comprises a cross rod 64-2, two ends of the cross rod 64-2 are respectively connected with a handle 64-1, the cross rod 64-2 is connected to the top of the front support frame 61 through a sixth U-shaped support 64-3, a hollowed-out portion 64-4 is arranged between the cross rod 64-2 and the front support frame 61, a user can conveniently pass through the hollowed-out portion 64-4 by hands, and the whole electric pick car 60 is driven to move by pulling the cross rod 64-2, so that the electric pick car is more convenient to use.

Referring to fig. 15, embodiment 9 provides an electric pick car, and embodiment 9 is different from the foregoing embodiments in that: the bottom of the front end of the front supporting frame 61 is provided with rollers (not shown in the drawing) or universal wheels, and the rear wheels 63 are matched, so that the electric pick car 60 can be moved more effort-effectively, and the use is more convenient.

Referring to fig. 15, in a specific embodiment 10, this embodiment 10 provides an electric pick-up truck, and this embodiment 10 is different from the foregoing embodiments in that: the front support 61 is provided with a pressing plate 65 for fixing the connecting wire 57, so that the connecting wire 57 is prevented from being overlong and too loose, and the connecting wire 57 is prevented from being damaged or broken due to shaking in the use process.

Embodiment 11, embodiment 11 provides an electric pick car, and embodiment 11 is different from the foregoing embodiments in that: the rear wheels 63 are detachably connected with the second connecting shaft 62-2, the sixth U-shaped support 64-3 is detachably connected to the top of the front support frame 61, one end of the connecting plate 41 is detachably connected with the front support frame 61, the arc dial 51 is detachably connected to the lower portion of the front support frame 61, the fifth mounting frame 52 is detachably connected to the rear support frame 62, the arc dial 51 and the fifth mounting frame 52 are not detachable, but the included angle between the front support frame 61 and the rear support frame 62 can be adjusted, the tail clamping mechanism 30 is detachably connected with the front support frame 61, the third mounting frame 31 is detachably connected with the front support frame 61, the two lower clamping pieces are detachably connected with the front support frame, and all the electric pick car can be detached for convenient storage, the storage space is minimum, and the problems that the conventional electric pick car can only disassemble an electric pick and a clamping assembly thereof, the whole electric pick car cannot be folded and stored, the occupied space is large, and the electric pick car is inconvenient to carry are solved.

The foregoing description is merely illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Equivalent changes and modifications are intended to be within the scope of the present utility model as defined in the appended claims.

Claims (10)

1. Clamping mechanism for electric pick, its characterized in that: the clamping mechanism (10) comprises an upper clamping piece and a lower clamping piece, wherein the upper clamping piece is provided with at least two concave arc-shaped clamping parts A with different specifications, the lower clamping piece is provided with at least two concave arc-shaped clamping parts B with different specifications, and after the upper clamping piece is connected with the lower clamping piece, the concave arc-shaped clamping parts A of the upper clamping piece and the concave arc-shaped clamping parts B of the corresponding lower clamping piece form at least two clamping holes with different specifications.

2. A gripping mechanism for an electric pick according to claim 1, wherein: the clamping mechanism (10) comprises a first group of upper clamping pieces and lower clamping pieces, namely a first upper clamping piece (11) and a first lower clamping piece (12), wherein the first upper clamping piece (11) is provided with a first concave arc-shaped clamping part A with two specifications, the first concave arc-shaped clamping part A1 (11-1) and the first concave arc-shaped clamping part A2 (11-2) are respectively arranged, the first lower clamping piece (12) is provided with a first concave arc-shaped clamping part B with two different specifications, the first concave arc-shaped clamping part B1 (12-1) and the first concave arc-shaped clamping part B2 (12-2) are respectively arranged, the first concave arc-shaped clamping part A1 (11-1) corresponds to the first concave arc-shaped clamping part B1 (12-1) to form a clamping hole with one specification, and the first concave arc-shaped clamping part A2 (11-2) corresponds to the first concave arc-shaped clamping part B2 (12-2) to form a clamping hole with the other specification.

3. A gripping mechanism for an electric pick according to claim 1 or 2, characterized in that: the clamping mechanism (10) further comprises a second group of upper clamping pieces and lower clamping pieces, namely an L-shaped second upper clamping piece (13) and an L-shaped second lower clamping piece (14), wherein the second upper clamping piece (13) is provided with four second concave arc clamping parts A 'with different specifications, the second concave arc clamping parts A'1 (13-1), the second concave arc clamping parts A '2 (13-2), the second concave arc clamping parts A'3 (13-3) and the second concave arc clamping parts A '4 (13-4) are respectively arranged on the second upper clamping piece (13) and the second lower clamping piece (14), the second concave arc clamping parts B'2 (14-2), the second concave arc clamping parts B '3 (14-3) and the second concave arc clamping parts B'4 (14-4) are respectively arranged on the second concave arc clamping parts B '1 (14-1), the second concave arc clamping parts A'1 (13-1) and the second concave arc clamping parts B '2 (14-4), the second concave arc clamping parts A'1 (13-1) and the second concave arc clamping parts A '2 (14-4) are respectively formed on the second concave arc clamping parts B'1 (14-1) and the second concave arc clamping parts B '2 (14-2) which correspond to the second arc clamping parts B2' 2 to the second arc clamping parts (14-3) with different specifications, the second concave arc clamping parts B '1' and the second concave arc clamping parts B '2 are respectively formed on the second concave arc clamping parts B' and the second concave arc clamping parts B '2 (14' with different specifications, the second concave arc-shaped clamping part A '4 (13-4) corresponds to the second concave arc-shaped clamping part B'4 (14-4) to form a clamping hole with a fourth specification.

4. A gripping mechanism for an electric pick according to claim 3, wherein: the clamping mechanism (10) further comprises a first mounting frame (15) and a plurality of first connecting rods (16), wherein the front end of the first mounting frame (15) corresponds to the top of the upper clamping piece of the first group, the bottom of the upper clamping piece of the first group corresponds to the top of the lower clamping piece of the first group, the bottom of the lower clamping piece of the first group corresponds to corresponding mounting holes (61-2) on the front support frame of the electric pick car, and the first connecting rods (16) sequentially connect the front end of the first mounting frame (15), the upper clamping piece of the first group, the lower clamping piece of the first group and the front support frame of the electric pick car from top to bottom;

The rear end of the first mounting frame (15) corresponds to the top of the upper clamping piece of the second group, the bottom of the upper clamping piece of the second group corresponds to the top of the lower clamping piece of the second group, the bottom of the lower clamping piece of the second group corresponds to a corresponding mounting hole (61-2) on the front support frame of the electric pick car, and the first connecting rod (16) sequentially connects the rear end of the first mounting frame (15), the upper clamping piece of the second group, the lower clamping piece of the second group and the front support frame of the electric pick car from top to bottom.

5. The utility model provides an electric pick car, is including being used for installing preceding support frame (61) of electric pick, preceding support frame (61) links through first connecting axle (61-1) with back support frame (62) one end, and back wheel (63) are connected through second connecting axle (62-2) to back support frame (62) other end, its characterized in that: the electric pick car (60) comprises a clamping mechanism for the electric pick and a pedal mechanism for the electric pick car as claimed in claim 1, 2 or 4, wherein the pedal mechanism (20) comprises a pedal support frame (21), and the pedal support frame (21) is connected with a rear support frame (62);

The pedal support frame (21) is connected with the pedal sloping plate (22), and one end of the pedal sloping plate (22) close to the rear support frame (62) is higher than one end of the pedal sloping plate (22) far away from the rear support frame (62).

6. An electric pick vehicle as claimed in claim 5, wherein: the pedal support frame (21) is connected with the pedal sloping plate (22) through an elastic piece;

And/or the pedal support frame (21) is connected with the rear support frame (62) through a second connecting shaft (62-2);

and/or a second universal wheel (24) is arranged below the pedal support frame (21);

and/or the pedal inclined plate (22) is provided with an anti-skid pattern (22-1).

7. The electric pick vehicle of claim 6, wherein: the electric pick car (60) further comprises a fixing mechanism for the tail part of the electric pick, and is characterized in that: the fixing mechanism (30) comprises a third mounting frame (31) used for being connected with the front supporting frame (61), a third screw hole (31-1) is formed in the third mounting frame (31), and a third screw rod (32) penetrates through the third screw hole (31-1) and then is connected with a jacking block (33) used for jacking the tail part of the electric pick (70);

And/or a third clamping block (35) for clamping the tail of the electric pick is also arranged on the third mounting frame (31).

8. The electric pick vehicle of claim 7, wherein: the electric pick car (60) further comprises a clamping mechanism (40) for the electric pick power line, the clamping mechanism comprises a connecting plate (41), one end of the connecting plate (41) is connected with the front supporting frame (61), and a supporting pad and a clamping block (43) for clamping the electric pick power line are arranged at the other end of the connecting plate (41).

9. An electric pick vehicle as claimed in claim 8, wherein:

The electric pick car (60) further comprises an angle adjusting mechanism (50) for adjusting the included angle between the front support frame (61) and the rear support frame (62), the angle adjusting mechanism (50) comprises an arc dial (51), a fifth installation frame (52) and a connecting rod (53), the arc dial (51) is provided with a plurality of clamping grooves (51-1), and the arc dial (51) is connected below the front support frame (61);

The fifth installation frame (52) is connected to the rear supporting frame (62), the fifth installation frame (52) is further provided with a fifth U-shaped support (54), one end of the connecting rod (53) penetrates through two sides of the fifth U-shaped support (54) and then is connected with the locking block (55), the locking block (55) corresponds to the clamping groove (51-1), a fifth spring (56) is nested at the position, located in the fifth U-shaped support (54), of the connecting rod (53), one end, close to the locking block (55), of the fifth spring (56) is connected with the connecting rod (53), and one end, far away from the locking block (55), of the fifth spring (56) is connected with one end, far away from the locking block (55), of the fifth U-shaped support (54);

The connecting wire (57) at the other end of the connecting rod (53) is connected with the trigger (58) at the handle (64-1).

10. An electric pick vehicle as claimed in claim 9, wherein:

The electric pick car (60) further comprises a faucet assembly (64), the faucet assembly (64) comprises a cross rod (64-2), two ends of the cross rod (64-2) are respectively connected with a handle (64-1), the cross rod (64-2) is connected to the top of the front support frame (61) through a sixth U-shaped support (64-3), and a hollowed part (64-4) is arranged between the cross rod (64-2) and the front support frame (61);

And/or the third mounting frame (31) is also provided with a third guide hole (31-2), the jacking block (33) is provided with a third guide rod (34), and the third guide rod (34) passes through the third guide hole (31-2);

And/or the front end of the third screw (32) is embedded into the jacking block (33) and then is provided with a limiting piece;

And/or the length of the third guide rod (34) is greater than the length of the thread on the third screw (32);

And/or two third clamping blocks (35), wherein one third clamping block (35) is connected to the third mounting frame (31), each third clamping block (35) is provided with four concave arc clamping parts which are opposite to each other in pairs, and the two third clamping blocks (35) form two third clamping holes (36) corresponding to the horizontal direction and two third clamping holes (36) corresponding to the vertical direction;

And/or the supporting pad is provided with a groove (42-2) for positioning the electric pick power line, and the clamping block (43) and the groove (42-2) are matched to clamp the electric pick power line;

And/or the connecting plate (41) is detachably connected with the wrench (44);

And/or the support pad is a plastic piece (42-1) or a support pad with elasticity;

And/or the elastic piece comprises a first elastic piece (23-1) and a second elastic piece (23-2), the first elastic piece (23-1) is higher than the second elastic piece (23-2), the first elastic piece (23-1) is arranged at one end of the pedal support frame (21) close to the rear support frame (62), and the second elastic piece (23-2) is arranged at one end of the pedal support frame (21) far away from the rear support frame (62);

And/or the universal wheel is positioned below one end of the pedal support frame (21) far away from the rear support frame (62);

And/or the bottom of the front end of the front supporting frame (61) is provided with a roller or a universal wheel;

And/or the front support frame (61) is provided with a pressing plate (65) for fixing the connecting wire (57);

And/or a tensioning spring (59) is arranged between the front end of the front supporting frame (61) and the rear supporting frame (62);

And/or the rear wheel (63) is detachably connected with the second connecting shaft (62-2);

And/or the sixth U-shaped bracket (64-3) is detachably connected to the top of the front supporting frame (61);

and/or one end of the connecting plate (41) is detachably connected with the front supporting frame (61);

and/or the arc dial (51) is detachably connected below the front support frame (61);

and/or the fifth mounting bracket (52) is detachably connected to the rear support bracket (62);

And/or the other end of the connecting plate (41) faces obliquely upwards, the horizontal projection length of the other end of the connecting plate (41) is larger than that of the corresponding rear wheel (63), and the horizontal projection length of the other end of the connecting plate (41) is smaller than that of the corresponding handle (64-1);

And/or the other end of the connecting plate (41) is U-shaped, a plastic part (42-1) is arranged on the lower inner side wall of the U-shaped supporting pad, a groove (42-2) is formed in the top of the plastic part (42-1), a fourth mounting hole (41-1) is formed in the upper inner side wall of the U-shaped supporting pad, a butterfly bolt (43-1) is mounted in the fourth mounting hole (41-1), the bottom of the butterfly bolt (43-1) is connected with a clamping block (43), and the clamping block (43) corresponds to the groove (42-2).