High-bearing stable hand-push carrier

Abstract

A stable hand-push carrier with high bearing capacity comprises a handle bar, a hydraulic driving system, a carrier frame, brackets and rollers, a reinforcing tie bar is fixed between the two brackets, a limiting and fixing device is arranged on a shell on the front side of the carrier frame and comprises a first electric push rod fixed to the shell on the front side of the carrier frame, and a second electric push rod fixed to the shell on the front side of the carrier frame and a second electric push rod fixed to the shell on the rear side of the carrier frame. A first electric push rod is arranged on the outer side of the two brackets, the first electric push rod is connected with a limiting plate, a first mounting groove is formed in the middle of the limiting plate, a first pressure sensor is mounted in the first mounting groove, and anti-inclination devices of the same structure are fixed to the outer sides of the two brackets. The stability of the bracket and the placing stability of the tray can be enhanced, the possibility that the tray inclines in the carrying process can be avoided, and the stability of goods carrying is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a carrying equipment technical field, concretely relates to a high bearing stability formula hand -cart. BACKGROUND

[0002] The hand -cart is a kind of logistics carrying equipment of manual operation, mainly for carrying goods, it is usually equipped with small size hydraulic device, and operation is simple and convenient to use;Hand -cart is lifted and moved by manually operating hydraulic pump, is applicable to the goods carrying work in various industries, can significantly reduce the burden of carrying work, improves work efficiency;When using hand -cart to carry goods, usually need to place the pallet on the bracket on both sides, then the goods are placed on the pallet and carried, but there are the following problems when using hand -cart:

[0003] The existing hand -cart only has two brackets, if the goods carried are more and cause the weight to be larger, after the bracket is lifted, the front end part of the bracket will cause greater pressure, will make the front end of bracket exist the problem of insufficient stability, is not conducive to the stable carrying of goods.

[0004] The existing hand -cart only supports the pallet by two brackets, and the pallet is much wider than the distance between the two brackets, after the bracket is lifted, if the goods carried are more and cause the weight to be larger, the pallet is also easy to tilt to the side of heavy weight, especially in the process of turning, the phenomenon of pallet tilting is most serious, is not conducive to the stable carrying of goods. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the insufficient of prior art, and provides a kind of high bearing stability formula hand -cart, set up reinforcing bar, anti-inclination device and limiting fixing device, can enhance the stability of bracket and the stability of pallet placement, can avoid the possibility of pallet tilting in the process of carrying goods, improve the stability when carrying goods.

[0006] The utility model discloses a kind of high load-bearing stable hand trolley, including handle lever, hydraulic drive system, frame, bracket, gyro wheel, the frame front portion is equipped with hydraulic drive system, the frame lower part is equipped with gyro wheel, and the rear of frame is connected to symmetrical bracket, the rear of symmetrical bracket is arc structure, and reinforcing bar is fixed between two brackets, the reinforcing bar is welded on the opposite side wall of two symmetrical brackets, the frame front side shell is equipped with limiting fixing device, the limiting fixing device includes the first electric push rod fixed on frame, the first electric push rod is connected to limiting plate, the limiting plate middle part is equipped with first installation slot, and first pressure sensor is installed in the first installation slot;Two bracket outer sides are fixed with same structure anti-inclination device.

[0007] The anti-inclination device includes fixed outer plate fixed on the side of bracket and second electric push rod located at the both sides of fixed outer plate, both sides of the fixed outer plate are equipped with slide rail, the slide rail is slidably connected with slide bar, the outer side of slide bar is connected with side connecting plate, the side connecting plate is connected with second electric push rod, the inner slide plate is connected between the two slide bars, the top end of the side of the part outside the fixed outer plate of the inner slide plate is equipped with top end support plate, the both sides of the top end support plate are fixed with extension block, the extension block is fixed on the inner slide plate through fastening screw, the both sides of the bottom of the top end support plate are equipped with third installation slot, the both sides of the inner slide plate are penetrated with same through hole, and the through hole and the third installation slot are located on the same vertical plane.

[0008] The middle part of the top end of the side of the inner slide plate is fixed with limiting plug, the limiting plug is inserted into limiting slot, and the limiting slot is located at the middle part of the bottom end of the top end support plate.

[0009] Third electric push rod is installed in the third installation slot and the through hole, the telescopic end of the third electric push rod is connected with lifting plate through the through hole, the moving wheel is installed on the both sides of the bottom end of the lifting plate, the outer protection box is fixed on the middle part of the bottom end of the lifting plate, the ultrasonic sensor is installed in the outer protection box, the ultrasonic sensor is electrically connected with the third electric push rod, and the third electric push rod and the controller outside adopt wireless connection mode.

[0010] Second installation slot is arranged in the middle part of the side of the inner slide plate, second pressure sensor is installed in the second installation slot, the second pressure sensor is electrically connected with the second electric push rod, and the second electric push rod and the controller outside adopt wireless connection mode.

[0011] The fastening screw is threadedly connected with screw hole and threaded hole, the two screw holes are respectively located on the both sides of the inner slide plate, and the threaded hole is penetrated in the extension block.

[0012] The top end surface of the top end supporting plate is in the same horizontal plane as the top end surface of the fixed outer layer plate, and the top end surface of the fixed outer layer plate is in the same horizontal plane as the top end surface of the bracket.

[0013] The first pressure sensor is electrically connected with the first electric push rod, and the first electric push rod is wirelessly connected with the external controller.

[0014] The reinforcing bar is a low-carbon alloy steel square steel pipe structure with a grade of Q355B and a yield strength of 355MPa, and the reinforcing bar is fixed between the two brackets by welding.

[0015] The reinforcing bar is a low-carbon alloy steel square steel pipe structure with a grade of Q355B and a yield strength of 355MPa, and the reinforcing bar is fixed between the two brackets by welding.

[0016] The reinforcing bar is a low-carbon alloy steel square steel pipe structure with a grade of Q355B and a yield strength of 355MPa, and the reinforcing bar is fixed between the two brackets by welding.

[0017] The reinforcing bar is a low-carbon alloy steel square steel pipe structure with a grade of Q355B and a yield strength of 355MPa, and the reinforcing bar is fixed between the two brackets by welding.

[0018] The utility model discloses, through the cooperation of limiting fixing device and anti-inclination device, the problem that tray can incline in the object carrying process is solved, and the stability when goods is carried is improved.

[0019] The third electric push rod in the anti-inclination device can push the moving wheel and the lifting plate to move downwards, can provide certain supporting force for the inner slide plate and the top end supporting plate, reduces the pressure received by the inner slide plate and the top end supporting plate, and simultaneously enhances the moving ability when pulling more heavy goods. DRAWINGS

[0020] Figure 1 It is the overall structure of the utility model top view schematic diagram.

[0021] Figure 2 It is the anti-inclination device first part structure schematic diagram of the utility model.

[0022] Figure 3 It is the anti-inclination device second part structure schematic diagram of the utility model.

[0023] Figure 4 It is the inner slide plate top view schematic diagram of the utility model.

[0024] Figure 5 It is the top end supporting plate bottom schematic diagram of the utility model.

[0025] Figure 6 It is the car body side view schematic diagram of the utility model.

[0026] In the drawing: 1, handle lever, 2, hydraulic drive system, 3, frame, 4, first electric push rod, 5, limiting plate, 6, first installation slot, 7, first pressure sensor, 8, fixed outer layer plate, 9, slide rail, 10, fastening screw, 11, slide strip, 12, extension block, 13, inner slide plate, 14, top end supporting plate, 15, side connecting plate, 16, second electric push rod, 17, third installation slot, 18, third electric push rod, 19, limiting slot, 20, limiting plug, 21, outer protection box, 22, ultrasonic sensor, 23, moving wheel, 24, lifting plate, 25, through -hole, 26, screw hole, 27, threaded perforation, 28, second installation slot, 29, second pressure sensor, 30, reinforcing bar, 31, bracket. DETAILED DESCRIPTION

[0027] The drawings are only for example explanation, and can not be understood as the limitation of the patent;In order to better illustrate the embodiment, some components of the drawings can be omitted, enlarged or reduced, and do not represent the size of actual product;For those skilled in the art, it is understandable that some well-known structures in the drawings and their description can be omitted.

[0028] With reference to the drawings, a high load stability hand trolley, comprising a handle bar 1, a hydraulic drive system 2, a frame 3, a bracket 31, a roller, the frame 3 is provided with the hydraulic drive system 2 at the front part, the frame 3 is provided with the roller at the lower part, and the rear part of the frame is connected with the symmetrical brackets 31, the rear part of the symmetrical brackets 31 is in an arc structure, and the reinforcing bars 30 are fixed between the two brackets 31, the reinforcing bars 30 are welded on the opposite side walls of the two symmetrical brackets, the frame 3 is provided with a limiting fixing device on the front side shell, the limiting fixing device comprises a first electric push rod 4 fixed on the frame 3, the first electric push rod 4 is connected with a limiting plate 5, the limiting plate 5 is provided with a first installation slot 6 at the middle part, and the first installation slot 6 is provided with a first pressure sensor 7, and the two brackets 31 are provided with the same structure of anti-inclination devices on the outer sides.

[0029] The anti-inclination device comprises a fixed outer plate 8 fixed on the side of the bracket 31 and a second electric push rod 16 located on both sides of the fixed outer plate 8, the fixed outer plate 8 is provided with sliding rails 9 on both sides, the sliding rails 9 are slidably connected with sliding strips 11, the sliding strips 11 are connected with side connecting plates 15 on the outer sides, the side connecting plates 15 are connected with the second electric push rod 16, the two sliding strips 11 are connected with an inner sliding plate 13, the inner sliding plate 13 is provided with a top end supporting plate 14 on the side top end of the part outside the fixed outer plate 8, the top end supporting plate 14 is provided with extension blocks 12 on both sides, the extension blocks 12 are fixed on the inner sliding plate 13 through fastening screws 10, both sides of the bottom part of the top end supporting plate 14 are provided with third installation slots 17, and the same through holes 25 are formed in the two sides of the inner sliding plate 13 and located on the same vertical plane as the third installation slots 17.

[0030] The inner sliding plate 13 is provided with a limiting plug 20 on the middle part of the side top end, the limiting plug 20 is inserted into a limiting slot 19, and the limiting slot 19 is located at the middle part of the bottom end of the top end supporting plate 14.

[0031] The third installation slots 17 and the through holes 25 are provided with third electric push rods 18, the telescopic ends of the third electric push rods 18 pass through the through holes 25 and are connected with lifting plates 24, the lifting plates 24 are provided with moving wheels 23 on both sides of the bottom end, the lifting plates 24 are provided with an outer protective box 21 fixed on the middle part of the bottom end, the outer protective box 21 is provided with an ultrasonic sensor 22, the ultrasonic sensor 22 is electrically connected with the third electric push rod 18, and the third electric push rod 18 is connected with an external controller in a wireless mode.

[0032] The second installation groove 28 is arranged in the middle of the side of the inner sliding plate 13, the second pressure sensor 29 is installed in the second installation groove 28, the second pressure sensor 29 is electrically connected with the second electric push rod 16, and the second electric push rod 16 is wirelessly connected with the external controller.

[0033] The fastening screw 10 is threadedly connected with the screw holes 26 and the threaded holes 27, the two screw holes 26 are respectively arranged on the two sides of the inner sliding plate 13, and the threaded holes 27 pass through the extension blocks 12.

[0034] The top end face of the top end supporting plate 14 is in the same horizontal plane as the top end face of the fixed outer layer plate 8, and the top end face of the fixed outer layer plate 8 is in the same horizontal plane as the top end face of the bracket 31.

[0035] The first pressure sensor 7 is electrically connected with the first electric push rod 4, and the first electric push rod 4 is wirelessly connected with the external controller.

[0036] The reinforcing rib 30 is one in number and is horizontally fixed between the two brackets 31 in a welding mode, and the fixed position is located beside the front wheel hole side of the front end of the bracket 31, the reinforcing rib 30 is a low-carbon alloy steel square steel pipe structure, the grade is Q355B, and the yield strength is greater than or equal to 355 MPa, the width of the reinforcing rib 30 is 5±0.2 cm, the bottom end of the reinforcing rib 30 is in the same horizontal plane as the bottom end of the bracket 31, the horizontal plane of the top end of the reinforcing rib 30 is higher than the horizontal plane of the top end of the bracket 31, and the height of the height is 7±0.2 cm, and the four peripheral surfaces of the reinforcing rib 30 are sprayed with anticorrosive paint.

[0037] When the high-load stable hand trolley is used, the tray is placed on the bracket 31, the front side of the tray is attached to the reinforcing rib 30, then the external controller is started to drive the second electric push rod 16, the second electric push rod 16 drives the side connecting plate 15 to extend outward to move the sliding strip 11, the sliding strip 11 drives the inner sliding plate 13 to move to simultaneously move the top end supporting plate 14, when the outer side end of the inner sliding plate 13 abuts against the inner side end of the side leg of the tray, the second pressure sensor 29 is pressed and transmits the pressure signal to the second electric push rod 16, and the second electric push rod 16 stops extending, at this time, the top end supporting plate 14 supports the left and right sides of the tray, and the inner sliding plate 13 tightly positions the left and right sides of the tray.

[0038] When the left and right sides of the tray are stabilized, the third electric push rod 18 is started by the external controller, the third electric push rod 18 drives the lifting plate 24 to descend, and the moving wheel 23 is lowered, when the moving wheel 23 is lowered to the ground, the distance between the ultrasonic sensor 22 and the ground reaches the set threshold value, at this time, the ultrasonic sensor 22 transmits a signal to the third electric push rod 18, and the third electric push rod 18 stops extending.

[0039] When the moving wheel 23 is lowered, the first electric push rod 4 is started by the external controller, the first electric push rod 4 drives the limiting plate 5 to move, when the limiting plate 5 is close to the rear side of the tray, the first pressure sensor 7 can sense the pressure, and the signal is transmitted to the first electric push rod 4, and the first electric push rod 4 can automatically stop extending, at this time, the tray can be clamped on the front and rear sides, and the front and rear sides of the tray are stabilized.

[0040] By clamping and limiting the front and rear sides of the tray, the stability of the tray during use is improved, and the possibility of tilting of the tray is avoided.

[0041] In the utility model, the reinforcing rib 30 is arranged, the reinforcing rib 30 is fixedly connected with the two brackets 31, the pressure borne by the front end parts of the two brackets 31 is shared, the bending deformation resistance of the bracket 31 when bearing heavy objects is improved, the supporting force is improved by about 30%, the reinforcing rib 30 also avoids the fatigue fracture of the steel plate of the bracket 31 due to overloading or long-term use, prolongs the service life of the bracket 31, and the service life of the bracket 31 is improved by 2-3 times, meanwhile, the reinforcing rib 30 suppresses the high-frequency vibration of the bracket 31, reduces the noise generated due to structural resonance of the two brackets 31, enhances the stability of the front end parts of the two brackets 31 after being lifted, prevents the tilting risk caused by tray shaking, and solves the problem that the front end parts of the bracket 31 on the existing hand trolley are insufficient in stability due to greater pressure, thereby being not conducive to stable carrying of goods.

[0042] In the utility model, the limiting and fixing device is arranged, the first electric push rod 4 in the limiting and fixing device can drive the limiting plate 5 to move, and cooperates with the reinforcing rib 30, can clamp and limit the front and rear sides of the tray, can avoid the front and rear movement of the tray after collision, and improves the stability of the tray after being lifted.

[0043] The utility model discloses, through the cooperation of spacing fixing device and anti-inclination device, has solved the problem that tray can incline in the process of carrying, has improved the stability when the goods are carried.

[0044] The utility model discloses, through the cooperation of spacing fixing device and anti-inclination device, has solved the problem that tray can incline in the process of carrying, has improved the stability when the goods are carried.

[0045] The utility model discloses, through the cooperation of spacing fixing device and anti-inclination device, has solved the problem that tray can incline in the process of carrying, has improved the stability when the goods are carried.

[0046] The above embodiment of the novel is only for clearly illustrating the example of the utility model, and is not the limitation to the implementation mode of the utility model. For the ordinary skilled person in the art, on the basis of the above-mentioned explanation, still can make other different forms' change or variation. Here need not and cannot be exhausted to all implementation modes. Any modification, equivalent replacement and improvement etc. that are made in the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A high-load-bearing, stable hand-pushed pallet truck, comprising a handle bar (1), a hydraulic drive system (2), a frame (3), a bracket (31), and rollers, wherein the hydraulic drive system (2) is installed at the front of the frame (3), rollers are installed at the lower part of the frame (3), and symmetrical brackets (31) are connected to the rear of the frame, characterized in that: The rear part of the symmetrical bracket (31) is arc-shaped structure, and the two brackets (31) are fixed with reinforcing bars (30), the reinforcing bars (30) are welded on the opposite side walls of the two symmetrical brackets, the front side shell of the frame (3) is provided with a limiting fixing device, the limiting fixing device comprises a first electric push rod (4) fixed on the frame (3), the first electric push rod (4) is connected with a limiting plate (5), the limiting plate (5) is provided with a first installation slot (6) in the middle part, and the first installation slot (6) is provided with a first pressure sensor (7).

2. The high load capacity stabilized hand truck of claim 1, wherein: The outer side of the two brackets (31) is fixed with the same structure of anti-inclination device.

3. The high load capacity stabilized hand truck of claim 2, wherein: The anti-inclination device comprises a fixed outer plate (8) fixed on the side of the bracket (31) and a second electric push rod (16) located on both sides of the fixed outer plate (8), the fixed outer plate (8) is provided with a slide rail (9) on both sides, the slide rail (9) is slidably connected with a slide bar (11), the outer side of the slide bar (11) is connected with a side connecting plate (15), the side connecting plate (15) is connected with the second electric push rod (16), the two slide bars (11) are connected with an inner slide plate (13), the side edge top of the part of the inner slide plate (13) located outside the fixed outer plate (8) is provided with a top supporting plate (14), the both sides of the top supporting plate (14) are fixed with an extension block (12), the extension block (12) is fixed on the inner slide plate (13) through a fastening screw (10), the both sides of the bottom of the top supporting plate (14) are provided with a third installation slot (17), the both sides of the inner slide plate (13) are provided with the same through hole (25), and the through hole (25) and the third installation slot (17) are located on the same vertical plane.

4. The high load capacity stabilized hand truck of claim 2, wherein: The side edge top of the inner slide plate (13) is fixed with a limiting plug (20), the limiting plug (20) is inserted into a limiting slot (19), and the limiting slot (19) is located at the middle part of the bottom of the top supporting plate (14).

5. The high load capacity stabilized hand truck of claim 2, wherein: The third installation slot (17) and the through hole (25) are provided with a third electric push rod (18), the telescopic end of the third electric push rod (18) penetrates through the through hole (25) and is connected with a lifting plate (24), the bottom of the lifting plate (24) is provided with a moving wheel (23), the bottom of the lifting plate (24) is fixed with an outer protection box (21), the outer protection box (21) is provided with an ultrasonic sensor (22), the ultrasonic sensor (22) is electrically connected with the third electric push rod (18), and the third electric push rod (18) and the external controller are connected in a wireless mode. The side edge middle part of the inner slide plate (13) is provided with a second installation slot (28), the second installation slot (28) is provided with a second pressure sensor (29), the second pressure sensor (29) is electrically connected with the second electric push rod (16), and the second electric push rod (16) and the external controller are connected in a wireless mode.

6. The high load capacity stabilized hand truck of claim 2, wherein: The fastening screw (10) is screwed into the screw holes (26) and the threaded hole (27), the two screw holes (26) are respectively located on the two sides of the inner sliding plate (13), and the threaded hole (27) penetrates through the extension block (12).

7. The high load capacity stabilized hand truck of claim 2, wherein: The top end surface of the top end supporting plate (14) is in the same horizontal plane with the top end surface of the fixed outer layer plate (8), and the top end surface of the fixed outer layer plate (8) is in the same horizontal plane with the top end surface of the bracket (31).

8. The high load capacity stabilized hand truck of claim 1, wherein: The first pressure sensor (7) is electrically connected with the first electric push rod (4), and the first electric push rod (4) is wirelessly connected with an external controller.

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