CN216272864U - Storehouse and open-air multipurpose type horizontal jack - Google Patents
Storehouse and open-air multipurpose type horizontal jack Download PDFInfo
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- CN216272864U CN216272864U CN202023173093.8U CN202023173093U CN216272864U CN 216272864 U CN216272864 U CN 216272864U CN 202023173093 U CN202023173093 U CN 202023173093U CN 216272864 U CN216272864 U CN 216272864U
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Abstract
A multi-purpose horizontal jack for storehouses and fields comprises a jack body, wherein the jack body comprises an underframe, an oil pump part, a lifting arm part, a tray part and a handle part, a front wheel part comprises two front turntables, a front wheel assembly, a front wheel limiting rod and a front positioning bolt, a rear wheel part comprises two rear turntables, a rear wheel assembly, a rear wheel limiting rod and a rear positioning bolt, the front turntables are divided into front wheel frames and upper gear adjusting parts, the upper gear adjusting parts of the front turntables are pivoted on the outer sides of the front ends of two wallboards, and the upper parts of the upper gear adjusting parts are provided with front low gear positioning holes and front low gear positioning holes; the rear turntable is divided into a rear wheel frame and an upper rotating part, and the bottoms of the front wheel frame and the rear wheel frame are provided with a front wheel assembly and a rear wheel assembly; the upper rotating part is pivoted at the outer side of the rear ends of the two wallboards; a rear low gear positioning hole and a rear high gear positioning hole are formed in the upper part of the upper rotating part; the front and rear wheel limit rods are supported on the bottom edges of the front and rear ends of the two wallboards at the low and high gears. The utility model has the beneficial effects that: the ground clearance is adjusted in multiple steps.
Description
Technical Field
The utility model relates to a multi-purpose horizontal jack for storehouses and fields.
Background
The existing horizontal jack has the following problems: the lifting jack is generally required to be used on flat and hard ground, and when the lifting jack is used on sandy or soft ground, the lifting jack is easy to fall into the ground to cause failure due to the fact that front wheels and rear wheels are small and narrow; (II) the utility model can not be used in places with slopes; and (III) the height above the ground of the jack is smaller, so that the jack is not suitable for vehicles with higher chassis, such as off-road vehicles and the like, and is not suitable for outdoor use.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a storehouse and a field multipurpose horizontal jack which can adjust the ground clearance in multiple steps and adapt to outdoor multiple variable conditions.
The utility model relates to a multi-purpose horizontal jack for storehouses and fields, which comprises a jack body, wherein the jack body comprises an underframe, an oil pump component, a lifting arm component, a tray component and a handle component, the rear end of the lifting arm component is hinged with the rear part of the underframe, and the front end of the lifting arm component is hinged with the tray component as a free end; the oil pump component is arranged at the rear part of the underframe, and a piston rod of the oil pump component is hinged with the bottom of the lifting arm component through a connecting rod and used for driving the lifting arm component to lift; the handle part is connected with an oil drain valve rod arranged on an oil outlet passage of the oil pump part through a press handle, and is characterized in that: the chassis comprises two wall plates which are arranged oppositely, a front wheel component arranged at the front ends of the two wall plates and a rear wheel component arranged at the rear ends of the two wall plates; taking one end of the hinged lifting arm component as the back, and vice versa as the front;
the front wheel component comprises two front turntables, a large front wheel component, a front wheel limiting rod and a front positioning bolt, the front turntables are divided into a front wheel frame and an upper gear shifting part, and the bottom of the front wheel frame is provided with the front wheel component; the upper gear adjusting parts of the two front rotary tables are pivoted on the outer sides of the front ends of the two wall plates through the same front rotary shaft, and the upper parts of the upper gear adjusting parts are provided with front low gear positioning holes and front low gear positioning holes which respectively correspond to a low gear and a high gear of a front wheel; a front positioning jack for inserting the front positioning bolt is arranged on the wall plate; at the low gear of the front wheel, the front low gear positioning hole is superposed with the front positioning jack and is fixed by the front positioning bolt; in the high gear of the front wheel, the front high gear positioning hole is superposed with the front positioning jack and is fixed by the front positioning bolt; the two ends of the front wheel limiting rod are respectively arranged at the joint of the upper gear shifting parts of the two front turntables and the front wheel frame, and the rear wheel limiting rod is abutted against different positions of the bottom edges of the front ends of the two wallboards when in low and high gear;
the rear wheel component comprises two rear turntables, a rear wheel component, a rear wheel limiting rod and a rear positioning bolt, the rear turntables are divided into a rear wheel frame and an upper rotating part, and the bottom of the rear wheel frame is provided with the rear wheel component; the upper rotating part is pivoted to the outer sides of the rear ends of the two wallboards through the same rear rotating shaft; a rear low gear positioning hole and a rear high gear positioning hole are formed in the upper part of the upper rotating part and respectively correspond to a low gear and a high gear of the rear wheel; a rear positioning jack for inserting the rear positioning bolt is arranged at the position, above the rear rotating shaft, of the wallboard; the rear low gear positioning hole is superposed with the rear positioning jack and fixed by the rear positioning bolt at the low gear of the rear wheel; the rear high gear positioning hole is superposed with the rear positioning jack and fixed by the rear positioning bolt; two ends of the rear wheel limiting rod are respectively arranged at the joint of the rear wheel frame of the rear turntable and the upper rotating part, and the rear wheel limiting rod is abutted against different positions of the bottom edges of the rear ends of the two wallboards when in low and high gear;
the ground clearance of wallboard when low gear is less than the ground clearance of wallboard when high gear.
Furthermore, the front wheel assembly comprises a front wheel shaft, a first long bushing sleeved outside the front wheel shaft and two front wheels, and two ends of the front wheel shaft are respectively arranged between the two front rotating discs and used for realizing the fixation between the two front rotating discs; the front wheel shaft is inserted into the mounting holes at the front ends of the two wallboards, and the two ends of the front wheel shaft are respectively provided with a large front wheel and are fixed with a first gasket through a first self-locking nut.
Furthermore, the front wheel component also comprises a small front wheel component, the bottom of the front wheel frame is respectively provided with a first end for mounting the front wheel component and a second end for mounting the small front wheel component, and the lowest point of the front wheel component and the lowest point of the small front wheel component are positioned on the same horizontal plane at the low gear position of the front wheel; in the high gear position of the front wheel, the horizontal plane where the lowest point of the front wheel assembly is located is lower than the horizontal plane where the lowest point of the small front wheel assembly is located, and the lowest point of the front wheel assembly and the lowest point of the rear wheel assembly are located on the same plane.
Further, the small front wheel assembly comprises a first short bush, a small front wheel pin shaft welded on the front wheel assembly, a first short bush small front wheel and two small front wheels, and two ends of the first short bush are respectively installed at the second ends of the two front rotating discs; the small front wheel frame fixing pin shaft is inserted into the first short bush, and the two ends of the small front wheel frame fixing pin shaft are respectively provided with a short bush small front wheel and are fixed with a second gasket through a second self-locking nut.
Furthermore, the rear wheel assembly comprises a second long bush, a rear wheel frame fixed pin shaft and two rear wheels, and two ends of the second long bush are respectively installed at the bottoms of the two rear rotating discs; and the rear wheel frame fixing pin shaft is inserted into the second long bush, and the two ends of the rear wheel frame fixing pin shaft are respectively provided with a rear turntable and fixed by a third self-locking nut and a fourth washer.
Further, the outer diameter of the small front wheel is smaller than the outer diameters of the large front wheel and the rear wheel.
The lifting handle is characterized by further comprising a pin pulling device for fixing the position of the handle part, wherein the pin pulling device is arranged at the rear part of the pressing handle and comprises a fixed threaded sleeve, a pin shaft, a pressure spring and a spanner, and one end of the fixed threaded sleeve is inserted into the rear part of one of the wallboards; the pin shaft penetrates through the fixed threaded sleeve, one end of the pin shaft, which is positioned outside the wallboard, is hinged with the wrench, and one end of the pin shaft, which is positioned inside the wallboard, extends out of the fixed threaded sleeve to form a supporting part supported at the rear part of the pressing hand and used for limiting the swinging angle of the handle; an annular gap for accommodating a pressure spring is reserved between the pin shaft and the fixed threaded sleeve; the pressure spring is arranged in the annular gap and sleeved on the pin shaft, and two ends of the pressure spring are respectively connected to the pin shaft and the fixed screw sleeve.
Furthermore, the outer surfaces of the large front wheel and the rear wheel are provided with anti-skid patterns.
Preferably, the outer side of the wallboard is provided with a handle.
Description of the utility model:
(1) the large front wheel and the rear wheel are both made of rubber and plastic large wheels with decorative patterns, so that the antiskid and waterproof effects are realized, the ground contact area is increased, and the sinking on a soft ground is reduced;
(2) the large front wheel and the large rear wheel are both arranged on a front wheel frame and a rear wheel frame which can rotate, and are fixed on the wallboards at two sides by using a lining and a fixed pin, the front wheel frame and the rear wheel frame are respectively provided with two gears of which the height and the height can be changed, the lower ends of the front wheel frame and the rear wheel frame are positioned by a limiting rod, and the upper ends of the front wheel frame and the rear wheel frame are fixed by inserting a positioning pin shaft into corresponding holes of the wheel frame component and the wallboards;
(3) four gears are adjustable:
when the front wheel is in a low gear and the rear wheel is in a high gear, the front wheel and the small front wheel are arranged on the left side and the right side of the front wheel frame and are simultaneously grounded, the rear wheels on the left side and the right side of the rear wheel frame are grounded, the bottom surfaces of the three wheels on the two sides are in horizontal positions, the ground contact area is increased, the sinking depth on soft ground is reduced, the front wheel is also suitable for maintaining automobiles and the like in storehouses when in a low position, and the front wheel can also be used when the rear wheel is positioned on a hollow ground;
(4) the front wheel low gear and the rear wheel low gear can be used as normal jacks; when the front wheel is in a high gear and the rear wheel is in a low gear, the front wheel and the rear wheel touch the ground at the same time, but the rear wheel is in a low gear, so the motorcycle can be used when the front wheel is in a depression;
when the front wheel and the rear wheel are in high gear, two large wheels are arranged on two sides of the front wheel frame and the rear wheel frame and touch the ground, the height of the frame above the ground is increased, the requirement of jacking a heavy object with large space above the ground is met, the lifting device is suitable for jacking a high-chassis automobile of a field vehicle, and the failure caused by the fact that a common jack is insufficient in lifting height or sinks into the ground due to stress on a soft ground is avoided;
(5) one side of the pressing handle is provided with a telescopic pin pulling device, the pressing handle can swing freely in a retraction state, the pressing handle can not swing after touching the pin pulling device when the pin pulling device is lifted out, the handle is pressed downwards to enable the front wheel to be separated from the ground, and the jack can be freely moved by the two rear wheels.
The utility model has the beneficial effects that:
1) when the jack is in a low position, three wheels on two sides of the jack are grounded, the front wheels are stressed greatly, the contact area of the two wheels is increased, the sinking probability of a soft ground is reduced, and the jack is suitable for the requirement of jacking heavy objects with low ground clearance, such as storehouses for maintenance;
2) when the vehicle is in a high-position state, the height of the stand from the ground is increased, so that the vehicle lifting device meets the requirement of lifting a heavy object with large ground space, and is particularly suitable for the requirement of lifting a field vehicle with a high chassis;
3) the high position and the low position are convenient to convert, and the wheel can be fixed only by pulling and inserting the long pin shaft;
4) under the special condition of field, the different heights can be changed from the front end to the rear end so as to meet the use requirements of special conditions such as sloping fields, hollow lands and the like;
5) the pin pulling device at one side of the pressing handle is convenient to operate, and can freely move and change directions by using the two rear wheels.
Drawings
FIG. 1 is a schematic structural view of the present invention (both front and rear wheels are in low gear);
FIG. 2 is a top view of the present invention (both front and rear wheels in low gear);
FIG. 3 is a schematic structural view of the present invention (both front and rear wheels are high-gear);
FIG. 4 is a top view of the present invention (both front and rear wheels are high gear);
FIG. 5 is a schematic structural view of the present invention (large front wheel low gear, rear wheel high gear, rear wheel may be at a lower level than the front wheel);
FIG. 6 is a schematic structural view of the present invention (large front wheel high gear, rear wheel low gear, front wheel may be at a lower level than rear wheel);
FIG. 7 is a cross-sectional view of the front wheel frame fixing pin, the positioning pin and the intermediate wheel at E-E of FIG. 6 (except for the large front wheel and the front wheel shaft, etc.);
FIG. 8 is a structural diagram of the pin pulling device of the present invention (A is the extending direction of the pin shaft, B is the retracting direction of the pin shaft, C is the wrench position when the pin shaft is retracted, and D is the wrench position when the pin shaft is extended).
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in the figures, the multipurpose horizontal jack for storehouses and fields comprises a jack body, wherein the jack body comprises an underframe 100, an oil pump part 200, a lifting arm part 300, a tray part 400 and a handle part 500, the rear end of the lifting arm part 300 is hinged with the rear part of the underframe 100, and the front end of the lifting arm part 300 is hinged with the tray part 400 as a free end; the oil pump part 200 is installed at the rear part of the base frame 100, and a piston rod of the oil pump part 200 is hinged with the bottom of the lifting arm part 300 through a connecting rod and is used for driving the lifting arm part to lift; the handle part 500 is connected with an oil discharge valve rod arranged on an oil outlet passage of the oil pump part 200 through a snap 501;
the underframe 100 comprises two wall plates 110 which are arranged oppositely, a front wheel component 120 arranged at the front ends of the two wall plates 110 and a rear wheel component 130 arranged at the rear ends of the two wall plates 110; with one end of the articulated lifting arm member 300 being the rear and vice versa;
the front wheel component 120 comprises two front turntables 121, a large front wheel component 122, a front wheel limiting rod 123 and a front positioning bolt 124, the front turntables 121 are divided into front wheel frames 1213 and an upper gear shifting part 1214, a front wheel frame bush 1215 is sleeved between the front wheel frames 1212 and the front turntables 121, and the large front wheel component 122 is installed at the bottom of the front wheel frames 1213; the upper gear shifting parts of the two front turntables 121 are pivotally mounted on the outer sides of the front ends of the two wall plates 110 through the same front rotating shaft 126, and the upper parts of the upper gear shifting parts are provided with a front low gear positioning hole 1211 and a front high gear positioning hole 1212 which respectively correspond to the low gear and the high gear of the front wheels; a front positioning insertion hole for inserting the front positioning bolt 124 is formed in the wall plate 110; in the lower position of the front wheel, the front lower position positioning hole 1211 coincides with the front positioning insertion hole and is fixed by the front positioning bolt 124; in the high gear of the front wheel, the front high gear positioning hole 1212 is overlapped with the front positioning insertion hole and is fixed by the front positioning bolt 124; two ends of the front wheel limiting rod 123 are respectively installed at the joint of the upper gear shifting parts of the two front turntables 121 and the front wheel carrier, and the front wheel limiting rod 123 is abutted against different positions of the bottom edges of the front ends of the two wall plates 110 when in low and high gear;
the rear wheel component 130 comprises two rear turntables 131, a rear wheel component 132, a rear wheel limiting rod 133 and a rear positioning bolt 134, the rear turntables 131 are divided into a rear wheel frame 1313 and an upper rotating part 1314, and the rear wheel component 132 is arranged at the bottom of the rear wheel frame; the upper rotating part is pivoted to the outer sides of the rear ends of the two wall plates 110 through the same rear rotating shaft 135; a rear low gear positioning hole 1311 and a rear high gear positioning hole 1312 are formed in the upper portion of the upper rotating portion and respectively correspond to a low gear and a high gear of the rear wheel; a rear positioning insertion hole for inserting the rear positioning insertion pin 134 is formed in the wall plate 110 above the rear rotating shaft 135; in the low gear of the rear wheel, the rear low gear positioning hole 1311 is overlapped with the rear positioning jack and fixed by the rear positioning bolt 134; in the high gear of the rear wheel, the rear high gear positioning hole 1312 coincides with the rear positioning insertion hole and is fixed by the rear positioning bolt 134; two ends of the rear wheel limiting rod 133 are respectively installed at the joint of the rear wheel frame and the upper rotating part of the rear turntable 131, and the rear wheel limiting rod 133 abuts against different positions of the bottom edges of the rear ends of the two wall plates 110 when the gears are at the low gear and the high gear;
the ground clearance of wallboard when low gear is less than the ground clearance of wallboard when high gear.
Further, the large front wheel assembly 122 includes a front wheel shaft 1221, a first long bushing 1222 sleeved outside the front wheel shaft 1221, and two large front wheels 1223, and two ends of the front wheel shaft 1221 are respectively installed between the two front rotating discs 121 for fixing the two front rotating discs 121; the front wheel shaft 1221 is inserted into the mounting holes at the front ends of the two wall boards, and the two ends of the front wheel shaft are respectively provided with a large front wheel 1223 and fixed by a first self-locking nut 1225 and a first washer 1224.
Further, the front wheel component 120 further includes a small front wheel component 125, a first end for mounting the large front wheel component 122 and a second end for mounting the small front wheel component 125 are respectively arranged at the bottom of the front wheel frame, and at the position of the front wheel low gear, the lowest point of the front wheel component 122 and the lowest point of the small front wheel component are located on the same horizontal plane; in the front wheel high gear position, the lowest point of the front wheel assembly 122 is at a level lower than the level of the lowest point of the small front wheel assembly, and the lowest point of the front wheel assembly 122 and the lowest point of the rear wheel assembly 132 are on the same plane.
Further, the small front wheel assembly 125 includes a first short bushing 1251, a small front wheel frame fixing pin 1252 and two small front wheels 1253, and two ends of the first short bushing 1251 are respectively mounted at the second ends of the two front turntables 121; the small front wheel frame fixing pin 1252 is inserted into the first short bush 1251, and the two ends are respectively provided with a small front wheel 1253 and fixed by a second self-locking nut 1254 and a second washer 1255.
Further, the rear wheel assembly 132 includes a second long bushing 1321, a rear wheel frame fixing pin 1322 and two rear wheels 1323, and two ends of the second long bushing 1321 are respectively installed at the bottoms of the two rear rotating discs 131; the rear wheel frame fixing pin 1322 is inserted into the second long bush 1321, and both ends of the rear wheel frame fixing pin are respectively provided with a rear wheel frame 1313 and fixed by a third self-locking nut 1324 and a fourth washer 1325.
Further, the small front wheel 1253 has an outer diameter smaller than the outer diameters of the large front wheel 1223 and the rear wheel 1323.
Further, the improved wall board lifting device comprises a pin pulling device 600 used for adjusting the angle of the handle part, wherein the pin pulling device 600 is arranged at the rear part of the pressing handle 501 and comprises a fixed threaded sleeve 601, a pin shaft 602, a pressure spring 603 and a wrench 604, and one end of the fixed threaded sleeve 601 is inserted into the rear part of one wall board 110; the pin shaft 602 is inserted into the fixed threaded sleeve 601, one end of the pin shaft located outside the wall plate 110 is hinged to the wrench 604 through a rivet 607, and one end of the pin shaft located inside the wall plate 110 extends out of the fixed threaded sleeve 601 to form a supporting part supported at the rear part of the snap for limiting the maximum swing angle of the handle; an annular gap for accommodating a pressure spring 603 is reserved between the pin shaft 602 and the fixed threaded sleeve 601; the pressure spring 603 is arranged in the annular gap and sleeved on the pin shaft 602, and two ends of the pressure spring are respectively connected to the pin shaft 602 and the fixed threaded sleeve 601.
Preferably, the fixing screw 601 is inserted into the wall plate 110 and then fastened by a third nut 605 and a third washer 606, and the central axis of the fixing screw 601 is perpendicular to the wall plate 110.
Preferably, the large front wheel 1223 and the rear wheel 1323 are provided with anti-skid patterns on the outer surface.
Preferably, a handle 111 is provided on the outer side of the wall plate 110.
Preferably, an R-shaped pin 135 is respectively installed at the ends of the front positioning bolt 124 and the rear positioning bolt 134 to prevent the front positioning bolt 124 and the rear positioning bolt 134 from being removed.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the utility model should not be considered limited to the specific forms set forth in the embodiments but include equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.
Claims (9)
1. A multi-purpose horizontal jack for storehouses and fields comprises a jack body, wherein the jack body comprises an underframe (100), an oil pump component (200), a lifting arm component (300), a tray component (400) and a handle component (500), the rear end of the lifting arm component (300) is hinged with the rear part of the underframe (100), and the front end of the lifting arm component (300) is hinged with the tray component (400) as a free end; the oil pump component (200) is mounted at the rear part of the underframe (100), and a piston rod of the oil pump component (200) is hinged with the bottom of the lifting arm component (300) through a connecting rod and used for driving the lifting arm component to lift; handle part (500) link to each other its characterized in that through press hand (501) and the oil drain valve rod of setting on oil pump part (200) oil outlet passage: the underframe (100) comprises two wall plates (110) which are arranged oppositely, a front wheel component (120) arranged at the front ends of the two wall plates (110) and a rear wheel component (130) arranged at the rear ends of the two wall plates (110); one end of the hinged lifting arm component (300) is taken as the back, and the other end is taken as the front;
the front wheel component (120) comprises two front turntables (121), a large front wheel component (122), a front wheel limiting rod (123) and a front positioning bolt (124), the front turntables (121) are divided into a front wheel frame (1213) and an upper gear shifting part (1214), and the front wheel component (122) is installed at the bottom of the front wheel frame (1213); the upper gear shifting parts of the two front turntables (121) are pivoted on the outer sides of the front ends of the two wall plates (110) through the same front rotating shaft (126), and the upper parts of the upper gear shifting parts are provided with a front low gear positioning hole (1211) and a front high gear positioning hole (1212); a front positioning insertion hole for inserting the front positioning bolt (124) is formed in the wall plate (110); in the low gear and the high gear of the front wheel, the front low gear positioning hole (1211) and the front high gear positioning hole (1212) respectively rotate to be overlapped with the front positioning jack and are fixed through the front positioning bolt (124); two ends of the front wheel limiting rod (123) are respectively arranged at the joint of the upper gear shifting parts of the two front turntables (121) and the front wheel frame, and the front wheel limiting rod (123) is abutted against different positions of the bottom edges of the front ends of the two wall plates (110);
the rear wheel component (130) comprises two rear turntables (131), a rear wheel component (132), a rear wheel limiting rod (133) and a rear positioning bolt (134), the rear turntables (131) are divided into a rear wheel frame (1313) and an upper rotating part (1314), and the rear wheel component (132) is installed at the bottom of the rear wheel frame; the upper rotating part is pivoted to the outer sides of the rear ends of the two wallboards (110) through the same rear rotating shaft (135); a rear low gear positioning hole (1311) and a rear high gear positioning hole (1312) are formed in the upper part of the upper rotating part; a rear positioning insertion hole for inserting the rear positioning bolt (134) is formed in the position, above the rear rotating shaft (135), of the wall plate (110); when the rear wheel is in a low gear and a high gear, the rear low gear positioning hole (1311) and the rear high gear positioning hole (1312) respectively rotate to be overlapped with the rear positioning insertion hole and are fixed through the rear positioning insertion pin (134); two ends of the rear wheel limiting rod (133) are respectively arranged at the joint of the rear wheel frame and the upper rotating part of the rear turntable (131), and the rear wheel limiting rod (133) is abutted against different positions of the bottom edges of the rear ends of the two wall plates (110);
the ground clearance of wallboard when low gear is less than the ground clearance of wallboard when high gear.
2. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 1, wherein: the large front wheel assembly (122) comprises a front wheel shaft (1221), a first long bushing (1222) sleeved outside the front wheel shaft (1221) and two large front wheels (1223), wherein two ends of the front wheel shaft (1221) are respectively installed between the two front rotating discs (121) and used for fixing the two front rotating discs (121); the front wheel shaft (1221) is inserted into the mounting holes at the front ends of the two wallboards, and the two ends of the front wheel shaft are respectively provided with a large front wheel (1223) and fixed through a first self-locking nut (1225) and a first washer (1224).
3. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 2, wherein: the front wheel component (120) further comprises a small front wheel component (125), the bottom of the front wheel frame is respectively provided with a first end for mounting the front wheel component (122) and a second end for mounting the small front wheel component (125), and in the low gear position of the front wheel, the lowest point of the front wheel component (122) and the lowest point of the small front wheel component are positioned on the same horizontal plane; in the front wheel high gear position, the lowest point of the front wheel assembly (122) is positioned on a horizontal plane lower than the lowest point of the small front wheel assembly, and the lowest point of the front wheel assembly (122) and the lowest point of the rear wheel assembly (132) are positioned on the same plane.
4. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 3, wherein: the small front wheel comprises a first short bush (1251), a small front wheel frame fixed pin shaft (1252) and two small front wheels (1253), and two ends of the first short bush (1251) are respectively installed at the second ends of the two front turntables (121); the small front wheel frame fixing pin shaft (1252) is inserted into the first short bushing (1251), and the two ends of the small front wheel frame fixing pin shaft are respectively provided with a small front wheel (1253) and fixed through a second self-locking nut (1254) and a second gasket (1255).
5. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 4, wherein: the rear wheel assembly (132) comprises a second long bush (1321), a rear wheel frame fixing pin shaft (1322) and two rear wheels (1323), and two ends of the second long bush (1321) are respectively installed at the bottoms of the two rear turntables (131); the rear wheel frame fixing pin shaft (1322) is inserted into the second long bush (1321), and the two ends of the rear wheel frame fixing pin shaft are respectively provided with a rear turntable (131) and fixed through a third self-locking nut (1324) and a fourth gasket (1325).
6. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 5, wherein: the small front wheel (1253) has an outer diameter smaller than the outer diameters of the large front wheel (1223) and the rear wheel (1323).
7. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 1, wherein: the novel wall board pulling device is characterized by further comprising a pin pulling device (600) used for fixing the position of the handle part, wherein the pin pulling device (600) is arranged at the rear part of the pressing handle (501) and comprises a fixing threaded sleeve (601), a pin shaft (602), a pressure spring (603) and a wrench (604), and one end of the fixing threaded sleeve (601) is inserted into the rear part of one wall board (110); the pin shaft (602) is arranged in the fixed threaded sleeve (601) in a penetrating manner, one end of the pin shaft, which is positioned at the outer side of the wall plate (110), is hinged with a wrench (604), and one end of the pin shaft, which is positioned at the inner side of the wall plate (110), extends out of the fixed threaded sleeve (601) to form a supporting part supported at the rear part of the pressing hand, so as to limit the swing angle of the handle; an annular gap for accommodating a pressure spring (603) is reserved between the pin shaft (602) and the fixed threaded sleeve (601); the pressure spring (603) is arranged in the annular gap and sleeved on the pin shaft (602), and two ends of the pressure spring are respectively connected to the pin shaft (602) and the fixed threaded sleeve (601).
8. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 6, wherein: the large front wheel (1223) and the rear wheel (1323) are provided with anti-skid patterns on the outer surfaces.
9. The multi-purpose horizontal jack for storehouses and fields as claimed in claim 1, wherein: the outer side of the wall plate (110) is provided with a handle (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023173093.8U CN216272864U (en) | 2020-12-24 | 2020-12-24 | Storehouse and open-air multipurpose type horizontal jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023173093.8U CN216272864U (en) | 2020-12-24 | 2020-12-24 | Storehouse and open-air multipurpose type horizontal jack |
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| Publication Number | Publication Date |
|---|---|
| CN216272864U true CN216272864U (en) | 2022-04-12 |
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|---|---|---|---|
| CN202023173093.8U Active CN216272864U (en) | 2020-12-24 | 2020-12-24 | Storehouse and open-air multipurpose type horizontal jack |
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| CN (1) | CN216272864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645233A (en) * | 2020-12-24 | 2021-04-13 | 杭州盈江机械制造有限公司 | Storehouse and open-air multipurpose type horizontal jack |
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2020
- 2020-12-24 CN CN202023173093.8U patent/CN216272864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645233A (en) * | 2020-12-24 | 2021-04-13 | 杭州盈江机械制造有限公司 | Storehouse and open-air multipurpose type horizontal jack |
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