Combined hydraulic lifting device

Abstract

The invention provides a combined hydraulic lifting device, and relates to the technical field of lifting equipment, the combined hydraulic lifting device comprises a lifting base, the lifting base comprises a supporting base, a rotary supporting base is longitudinally and rotatably mounted at the bottom of the supporting base, a lifting arm is transversely and rotatably mounted at the top of the supporting base, and the lifting arm comprises a supporting arm and an auxiliary supporting arm; a telescopic arm is slidably installed in the supporting arm, the telescopic arm and the supporting arm are connected through a hydraulic rod, the supporting arm and an auxiliary supporting arm are transversely and rotatably installed at the rear end of the supporting base, and the front supporting plate and the rear supporting plate can support equipment when the equipment lifts a heavy object and can be stored when not needed. The influence on equipment movement is avoided; the auxiliary supporting arm and the auxiliary telescopic arm can provide pulling force when the equipment lifts a heavy object, so that the equipment can lift the heavy object.

Description

Technical Field

[0001] The invention relates to the technical field of lifting equipment, and in particular to a combined hydraulic lifting device. Background Art

[0002] During construction projects and the loading and unloading of goods, cranes are needed to carry out the transportation of heavier objects. However, due to site limitations, larger cranes are difficult to enter and exit the site, while small cranes are difficult to carry heavier objects.

[0003] Based on this, the present invention provides a combined hydraulic lifting device. Summary of the invention

[0004] The scissor lift device of claim 1, wherein the scissor lift device comprises a hydraulic lifting device, wherein the hydraulic lifting device comprises a support base, a rotating support base is longitudinally rotatably installed at the bottom of the support base, and a lifting arm is transversely rotatably installed at the top of the support base, the lifting arm comprises a support arm and a secondary support arm, a telescopic arm is slidably installed in the support arm, the telescopic arm and the support arm are connected by a hydraulic rod, the support arm and the secondary support arm are transversely rotatably installed at the rear end of the support base, positioning rods are fixedly installed on both sides of the rear side surface of the secondary support arm, the secondary telescopic arm is longitudinally slidably installed in the secondary support arm, a hydraulic rod is fixedly installed between the secondary telescopic arm and the secondary support arm, a positioning splint is transversely rotatably installed on the top of the secondary telescopic arm, a torsion spring is installed between the positioning splint and the secondary telescopic arm, the positioning splint and the positioning rod are slidably matched, a front support plate and a rear support plate are transversely slidably installed between the support base and the rotating support base, a slide groove in the front-back direction is provided at the bottom of the support base, a positioning slider is provided on the top of the front support plate and the rear support plate, and the positioning sliders on the front support plate and the rear support plate cooperate with the slide groove at the bottom of the support base.

[0005] Furthermore, a first winding rod is rotatably installed on the top of the auxiliary telescopic arm, a gear is fixedly installed on the first winding rod, a first motor is fixedly installed on the top of the auxiliary telescopic arm, a gear is fixedly installed on the first motor and meshes with the gear on the first winding rod, a drum bracket is spliced ​​and installed on the rear end of the supporting base, a steel rope drum is rotatably installed in the drum bracket, the steel rope in the steel rope drum is fixedly connected to the top of the telescopic arm after being wound with the first motor, gears are fixedly installed at both ends of the steel rope drum, a transmission gear is rotatably installed in the drum bracket, the transmission gear meshes with the gear on the steel rope drum, a second motor is fixedly installed on the outside of the drum bracket, a gear is fixedly installed on the second motor and meshes with the transmission gear.

[0006] Furthermore, a rolling bracket is fixedly installed at the bottom of the front support plate and the rear support plate near the center of the support base, a supporting ball is provided at the bottom of the rolling bracket, and a plurality of annular sliding grooves and linear sliding grooves are provided at the top of the rotating support base for limiting and positioning the range of movement of the front support plate and the rear support plate, the linear sliding grooves intersect with the annular sliding grooves, and the balls at the bottom of the rolling bracket slide in cooperation with the slide grooves at the top of the rotating support base.

[0007] Furthermore, a first adjusting rod is rotatably installed on both sides of the support base, and threads are provided at both ends of the first adjusting rod. The two ends of the first adjusting rod are respectively matched with the front support plate and the rear support plate screw rods, and a gear is fixedly installed in the middle of the first adjusting rod. A third motor is fixedly installed on both sides of the support base, and a gear is fixedly installed on the third motor. The gear on the third motor is meshed with the gear on the first adjusting rod, and a telescopic support wheel is fixedly installed at the front end of the front support plate by bolts.

[0008] Furthermore, a hydraulic support is installed on the top of the support base for transverse sliding, a lifting hydraulic rod is hinged on the top of the hydraulic support, the lifting hydraulic rod is hinged to the support arm, an adjusting screw is installed on the front end of the support base for transverse rotation, the adjusting screw cooperates with the hydraulic support screw, a gear is fixedly installed on the adjusting screw, a fourth motor is fixedly installed on the front end of the support base, a gear is fixedly installed on the fourth motor, and the gear on the fourth motor is meshed with the gear on the adjusting screw.

[0009] Furthermore, a sling is installed on the top of the telescopic arm through a steel rope, and a second reel and a third reel are installed on the top of the support base for transverse rotation. The second reel and the third reel are respectively wound and connected with two ends of the steel rope connected to the sling, and gears are fixedly installed on one end of the second reel and the third reel. A fifth motor is fixedly installed on both sides of the inside of the support base, and a screw is fixedly installed on the front end of the fifth motor. The screw, the third reel and the second reel at the front end of the fifth motor cooperate with the gear and worm gear on it.

[0010] Furthermore, an inner gear ring is fixedly installed at the bottom of the support base, and a plurality of transmission rods are longitudinally rotatably installed at the center of the rotating support base. Gears are fixedly installed on the top and bottom of the transmission rod respectively, and the gear on the top of the transmission rod is meshed with the gear ring at the bottom of the support base. A transmission ring is longitudinally rotatably installed at the bottom of the rotating support base, and the inner ring of the transmission ring is provided with a gear pattern, and the gear pattern of the inner ring of the transmission ring is meshed with the gear at the bottom of the transmission rod. The outer ring of the transmission ring is provided with a gear pattern, and a pair of second adjusting rods are transversely rotatably installed in the rotating support base, a pulley is fixedly installed on the second adjusting rod, and the second adjusting rods are connected by a belt, and the second adjusting rod cooperates with the gear worm of the outer ring of the transmission ring, and a gear is fixedly installed at one end of the second adjusting rod, and a sixth motor is fixedly installed in the rotating support base, and a gear is fixedly installed on the telescopic support wheel, and the gear on the telescopic support wheel is meshed with the gear on the second adjusting rod.

[0011] Compared with the prior art, the present invention has the following advantages: (1) the front support plate and the rear support plate of the present invention can support the equipment when the equipment is lifting heavy objects, and can be stored when not needed to avoid affecting the movement of the equipment; (2) the secondary support arm and the secondary telescopic arm of the present invention can provide pulling force when the equipment is lifting heavy objects, so that the equipment can lift heavier objects; (3) the present invention adjusts the position of the bottom of the lifting hydraulic rod through the hydraulic support, changes the movable angle of the support arm, and facilitates the equipment to lift objects at a lower position, or lift heavy objects to a higher position. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the left structure of the present invention.

[0013] Figure 2 It is a schematic diagram of the back structure of the present invention.

[0014] Figure 3 It is a schematic diagram of the top structure of the present invention.

[0015] Figure 4 It is a schematic diagram of the overall structure of the present invention.

[0016] Figure 5 It is a schematic diagram of the overall partially cut-away front structure of the present invention.

[0017] Figure 6 It is a schematic diagram of the overall partially cut-away side structure of the present invention.

[0018] Figure 7 It is a schematic diagram of the partially cut-away side structure of the present invention.

[0019] Figure 8 It is a schematic diagram of the assembly structure of the rotating support base of the present invention.

[0020] Fig. 9 It is a schematic diagram of the bottom structure of the rotating support base of the present invention.

[0021] Fig.10 It is a schematic diagram of the bottom structure of the support base of the present invention.

[0022] Fig.11 This is a schematic diagram of the supporting auxiliary arm assembly structure of the present invention.

[0023] Fig.12 for Figure 4 A1 is an enlarged schematic diagram of the structure.

[0024] Figure 1: 1-lifting arm; 2-lifting base; 101-telescopic arm; 102-supporting arm; 103-positioning rod; 104-positioning clamp; 105-secondary supporting arm; 106-secondary telescopic arm; 107-first reel; 108-first motor; 109-lifting hydraulic rod; 201-reel bracket; 202-second motor; 203-transmission gear; 204-rope reel; 205-supporting base; 206-third motor machine; 207-first adjusting rod; 208-hydraulic support; 209-adjusting screw rod; 210-fourth motor; 211-telescopic support wheel; 212-second rolling rod; 213-third rolling rod; 214-fifth motor; 215-front support plate; 216-rear support plate; 217-rotating support base; 218-second adjusting rod; 219-transmission ring; 220-transmission rod; 221-sixth motor; 222-rolling support. DETAILED DESCRIPTION

[0025] The technical solution provided by the present invention is further described below in conjunction with the accompanying drawings and according to specific implementation methods.

[0026] like Figures 1 to 12As shown, a combined hydraulic lifting device includes a lifting base 2, the lifting base 2 includes a supporting base 205, a rotating supporting base 217 is longitudinally rotatably installed at the bottom of the supporting base 205, a lifting arm 1 is transversely rotatably installed at the top of the supporting base 205, the lifting arm 1 includes a supporting arm 102 and an auxiliary supporting arm 105, a telescopic arm 101 is slidably installed in the supporting arm 102, the telescopic arm 101 and the supporting arm 102 are connected by a hydraulic rod, the supporting arm 102 and the auxiliary supporting arm 105 are transversely rotatably installed at the rear end of the supporting base 205, positioning rods 103 are fixedly installed on both sides of the rear side of the auxiliary supporting arm 105, and an auxiliary telescopic arm 106 is longitudinally slidably installed in the auxiliary supporting arm 105, A hydraulic rod is fixedly installed between the secondary telescopic arm 106 and the secondary supporting arm 105, a positioning clamp 104 is installed on the top of the secondary telescopic arm 106 for transverse rotation, the positioning clamp 104 and the positioning rod 103 are slidably matched, a first reel 107 is rotatably installed on the top of the secondary telescopic arm 106, a gear is fixedly installed on the first reel 107, a first motor 108 is fixedly installed on the top of the secondary telescopic arm 106, a gear is fixedly installed on the first motor 108 and meshes with the gear on the first reel 107, a drum bracket 201 is spliced ​​and installed at the rear end of the support base 205, a steel rope drum 204 is installed in the drum bracket 201 for transverse rotation, and the steel rope in the steel rope drum 204 is wound around the first motor 108 The back is fixedly connected to the top of the telescopic arm 101, gears are fixedly installed at both ends of the steel rope drum 204, a transmission gear 203 is rotatably installed in the drum bracket 201, and the transmission gear 203 is meshed with the gear on the steel rope drum 204, and a second motor 202 is fixedly installed on the outer side of the drum bracket 201, and a gear is fixedly installed on the second motor 202 to mesh with the transmission gear 203. The auxiliary support arm 105 is used to provide sufficient pulling force when the equipment lifts heavier objects, so that the equipment can lift heavier objects, and at the same time adjust the center of gravity of the equipment to prevent the equipment from tipping over. When the equipment is used normally, the auxiliary support arm 105 is fitted to the support arm through the sliding cooperation between the positioning splint 104 and the positioning rod 103. The back of 102 reduces the space occupied by the equipment and facilitates the position of the equipment. When the equipment is difficult to lift the current heavier objects, the hydraulic rod between the auxiliary support arm 105 and the auxiliary telescopic arm 106 is started to drive the auxiliary telescopic arm 106 to slide upward in the auxiliary support arm 105, so that the height of the positioning clamp 104 is higher than the support arm 102, so that it no longer cooperates with the positioning rod 103, and then the second motor 202 is started to drive the steel rope drum 204 to rotate and pull the support arm 102 up, assisting the support arm 102 to lift the heavy object. At the same time, the first motor 108 is driven to rotate by starting the first rolling rod 107 to adjust the angle between the auxiliary support arm 105 and the support base 205 to change the center of gravity of the equipment.

[0027] like Figures 1 to 12As shown, a hydraulic support 208 is installed on the top of the support base 205 for transverse sliding. A lifting hydraulic rod 109 is hinged on the top of the hydraulic support 208. The lifting hydraulic rod 109 is hinged to the support arm 102 and is used to control the lifting or lowering of the support arm 102. An adjusting screw rod 209 is installed on the front end of the support base 205 for transverse rotation. The adjusting screw rod 209 cooperates with the screw rod of the hydraulic support 208. A gear is fixedly installed on the adjusting screw rod 209. A fourth motor 210 is fixedly installed on the front end of the support base 205. A gear is fixedly installed on the fourth motor 210. The gear on the fourth motor 210 is meshed with the gear on the adjusting screw rod 209. The adjusting screw rod 209 is driven to rotate by starting the fourth motor 210. The rotation of the adjusting screw rod 209 drives the hydraulic support 208 to slide on the support base 205, adjust the position of the bottom of the lifting hydraulic rod 109, and change the support angle of the lifting hydraulic rod 109. The movable angle of the support arm 102 is adjusted to facilitate lifting objects at a lower place or lifting objects to a higher place.

[0028] like Figures 1 to 12 As shown, a sling is installed on the top of the telescopic arm 101 through a steel rope, and a second reel 212 and a third reel 213 are installed on the top of the support base 205 for horizontal rotation. The second reel 212 and the third reel 213 are respectively wound around the two ends of the steel rope connected to the sling, and gears are fixedly installed on one end of the second reel 212 and the third reel 213. A fifth motor 214 is fixedly installed on both sides of the inside of the support base 205, and a screw is fixedly installed on the front end of the fifth motor 214. The screw on the fifth motor 214 cooperates with the gear worm on the third reel 213 and the second reel 212, respectively, to control the lifting of the sling.

[0029] like Figures 1 to 12As shown, an inner gear ring is fixedly installed at the bottom of the support base 205, and a plurality of transmission rods 220 are longitudinally rotatably installed at the center of the rotating support base 217. Gears are fixedly installed on the top and bottom of the transmission rod 220 respectively. The gears on the top of the transmission rod 220 mesh with the gear ring at the bottom of the support base 205. A transmission ring 219 is longitudinally rotatably installed at the bottom of the rotating support base 217. The inner ring of the transmission ring 219 is provided with a gear pattern. The gear pattern on the inner ring of the transmission ring 219 meshes with the gear at the bottom of the transmission rod 220. The outer ring of the transmission ring 219 is provided with a gear pattern. A pair of second adjustment rods 218 are rotatably installed in the rotating support base 217. A pulley is fixedly installed, and the second adjusting rod 218 is connected by a belt. The second adjusting rod 218 cooperates with the gear worm on the outer ring of the transmission ring 219. A gear is fixedly installed at one end of the second adjusting rod 218. A sixth motor 221 is fixedly installed in the rotating support base 217, and a gear is fixedly installed on the telescopic support wheel 211. The gear on the telescopic support wheel 211 is meshed with the gear on the second adjusting rod 218. By starting the sixth motor 221, the second adjusting rod 218 is driven to rotate, and the rotation of the second adjusting rod 218 drives the transmission ring 219 to rotate. The rotation of the transmission ring 219 drives multiple transmission rods 220 to rotate, providing sufficient power for the steering of the equipment.

[0030] like Figures 1 to 12As shown, a front support plate 215 and a rear support plate 216 are installed between the support base 205 and the rotating support base 217 for transverse sliding. A slide groove in the front-to-back direction is provided at the bottom of the support base 205. Positioning sliders are provided on the tops of the front support plate 215 and the rear support plate 216. The positioning sliders on the front support plate 215 and the rear support plate 216 cooperate with the slide groove at the bottom of the support base 205. First adjusting rods 207 are rotatably installed on both sides of the support base 205. Threads are provided at both ends of the first adjusting rod 207. The two ends of the first adjusting rod 207 respectively cooperate with the front support plate 215 and the rear support plate 216 screw rods. A gear is fixedly installed in the middle of the first adjusting rod 207. A third motor 206 is fixedly installed on both sides of the support base 205. A gear is fixedly installed on the third motor 206. The gear on the third motor 206 is meshed with the gear on the first adjusting rod 207. The front end of the front support plate 215 is fixedly installed with a The telescopic support wheel 211 is used to support the equipment when the equipment lifts heavy objects to prevent the equipment from tipping over due to unstable center of gravity. A rolling bracket 222 is fixedly installed at the bottom of the front support plate 215 and the rear support plate 216 near the center of the support base 205. A supporting ball is provided at the bottom of the rolling bracket 222. A plurality of annular sliding grooves and linear sliding grooves are provided at the top of the rotating support base 217 to limit and position the range of movement of the front support plate 215 and the rear support plate 216. The linear sliding groove intersects with the annular sliding groove. The ball at the bottom of the rolling bracket 222 slides with the slide groove at the top of the rotating support base 217. By starting the support base 205, the first adjusting rod 207 is driven to rotate, and the front support plate 215 and the rear support plate 216 are driven to slide at the bottom of the support base 205. The equipment is supported by the telescopic support wheel 211 at the front end of the front support plate 215, so that the equipment can lift heavier objects.

[0031] Working principle: When the device is needed to carry heavy objects, firstly, the fourth motor 210 is started as needed to adjust the position of the bottom of the lifting hydraulic rod 109, adjust the movable angle of the support arm 102 and lift the heavy objects.

[0032] When the weight of the hoisted object exceeds the weight that the equipment can currently lift, the third motor 206 is started according to the available range of motion at the location to drive the front support plate 215 and the rear support plate 216 to slide to support the equipment. At the same time, the hydraulic rod between the positioning splint 104 and the auxiliary telescopic arm 106 is started to drive the auxiliary telescopic arm 106 to slide, so that the positioning splint 104 no longer cooperates with the positioning rod 103. At the same time, the first motor 108 is started to drive the first winding rod 107 to rotate, adjust the angle between the auxiliary support arm 105 and the support base 205, and start the second motor 202 to drive the steel rope drum 204 to rotate to assist the telescopic arm 101 in lifting the heavy object. Then, the sixth motor 221 is started to drive the support base 205 to rotate and move the heavy object to the desired position.

Claims

1. A combined hydraulic lifting device, comprising a lifting base (2), the lifting base (2) comprising a supporting base (205), a rotating supporting base (217) being longitudinally rotatably mounted on the bottom of the supporting base (205), characterized in that: A lifting arm (1) is installed on the top of the supporting base (205) in a transversely rotatable manner. The lifting arm (1) comprises a supporting arm (102) and a secondary supporting arm (105). A telescopic arm (101) is slidably installed in the supporting arm (102). The telescopic arm (101) and the supporting arm (102) are connected via a hydraulic rod. The supporting arm (102) and the secondary supporting arm (105) are installed in a transversely rotatable manner at the rear end of the supporting base (205). Positioning rods (103) are fixedly installed on both sides of the rear side of the secondary supporting arm (105). A secondary telescopic arm (106) is installed in the secondary supporting arm (105) in a longitudinally slidable manner. A hydraulic rod is fixedly installed between the secondary telescopic arm (106) and the secondary supporting arm (105). A pressure rod, a positioning clamp (104) is installed on the top of the secondary telescopic arm (106) for transverse rotation, a torsion spring is installed between the positioning clamp (104) and the secondary telescopic arm (106), the positioning clamp (104) and the positioning rod (103) are slidably matched, a front support plate (215) and a rear support plate (216) are installed between the support base (205) and the rotating support base (217) for transverse sliding, a slide groove in the front-to-back direction is provided at the bottom of the support base (205), a positioning slider is provided on the top of the front support plate (215) and the rear support plate (216), and the positioning sliders on the front support plate (215) and the rear support plate (216) are matched with the slide groove at the bottom of the support base (205).

2. A combined hydraulic lifting device according to claim 1, characterized in that: A first rolling rod (107) is rotatably mounted on the top of the secondary telescopic arm (106), a gear is fixedly mounted on the first rolling rod (107), a first motor (108) is fixedly mounted on the top of the secondary telescopic arm (106), a gear is fixedly mounted on the first motor (108) and meshes with the gear on the first rolling rod (107), a drum bracket (201) is spliced ​​and mounted on the rear end of the support base (205), a steel rope drum (204) is rotatably mounted in the drum bracket (201), and the steel rope drum The steel rope in (204) is fixedly connected to the top of the telescopic arm (101) after being wound with the first motor (108); gears are fixedly mounted on both ends of the steel rope drum (204); a transmission gear (203) is rotatably mounted in the drum support (201); the transmission gear (203) meshes with a gear on the steel rope drum (204); a second motor (202) is fixedly mounted on the outside of the drum support (201); a gear is fixedly mounted on the second motor (202) and meshes with the transmission gear (203).

3. A combined hydraulic lifting device according to claim 1, characterized in that: A rolling bracket (222) is fixedly installed at the bottom of the front support plate (215) and the rear support plate (216) near the center of the support base (205), and a supporting ball is provided at the bottom of the rolling bracket (222). A plurality of annular sliding grooves and linear sliding grooves are provided at the top of the rotating support base (217) for limiting and positioning the range of movement of the front support plate (215) and the rear support plate (216). The linear sliding grooves intersect with the annular sliding grooves, and the ball at the bottom of the rolling bracket (222) is slidably matched with the sliding groove at the top of the rotating support base (217).

4. A combined hydraulic lifting device according to claim 1, characterized in that: A first adjusting rod (207) is rotatably mounted on both sides of the support base (205), and threads are provided at both ends of the first adjusting rod (207). Both ends of the first adjusting rod (207) are respectively matched with screw rods of the front support plate (215) and the rear support plate (216). A gear is fixedly mounted in the middle of the first adjusting rod (207). A third motor (206) is fixedly mounted on both sides of the support base (205), and a gear is fixedly mounted on the third motor (206). The gear on the third motor (206) meshes with the gear on the first adjusting rod (207). A telescopic support wheel (211) is fixedly mounted on the front end of the front support plate (215) by means of bolts.

5. A combined hydraulic lifting device according to claim 1, characterized in that: A hydraulic support (208) is installed on the top of the support base (205) in a transverse sliding manner, a lifting hydraulic rod (109) is hinged on the top of the hydraulic support (208), and the lifting hydraulic rod (109) is hinged to the support arm (102). An adjusting screw (209) is installed on the front end of the support base (205) in a transverse rotation manner, the adjusting screw (209) cooperates with the screw of the hydraulic support (208), a gear is fixedly installed on the adjusting screw (209), a fourth motor (210) is fixedly installed on the front end of the support base (205), a gear is fixedly installed on the fourth motor (210), and the gear on the fourth motor (210) meshes with the gear on the adjusting screw (209).

6. A combined hydraulic lifting device according to claim 1, characterized in that: A sling is installed on the top of the telescopic arm (101) via a steel rope connection, and a second reel (212) and a third reel (213) are installed on the top of the support base (205) for transverse rotation. The second reel (212) and the third reel (213) are respectively wound and connected to two ends of the steel rope connected to the sling, and one end of the second reel (212) and the third reel (213) is fixedly installed with a gear. A fifth motor (214) is fixedly installed on both sides of the inside of the support base (205), and a screw is fixedly installed at the front end of the fifth motor (214). The screw, the third reel (213) at the front end of the fifth motor (214) and the second reel (212) cooperate with the gear worm on it.

7. A combined hydraulic lifting device according to claim 1, characterized in that: An inner gear ring is fixedly mounted at the bottom of the support base (205); a plurality of transmission rods (220) are longitudinally and rotatably mounted at the center of the rotating support base (217); gears are fixedly mounted at the top and bottom of the transmission rods (220); the gears at the top of the transmission rods (220) mesh with the gear ring at the bottom of the support base (205); a transmission ring (219) is longitudinally and rotatably mounted at the bottom of the rotating support base (217); the inner ring of the transmission ring (219) is provided with gear patterns; the gear patterns on the inner ring of the transmission ring (219) mesh with the gears at the bottom of the transmission rod (220); and the outer ring of the transmission ring (219) is provided with gear patterns. A pair of second adjustment rods (218) are installed in a rotatable manner in a horizontal direction in the rotating support base (217), a pulley is fixedly installed on the second adjustment rods (218), the second adjustment rods (218) are connected by a belt, the second adjustment rods (218) cooperate with the gear worm on the outer ring of the transmission ring (219), a gear is fixedly installed on one end of the second adjustment rod (218), a sixth motor (221) is fixedly installed in the rotating support base (217), a gear is fixedly installed on the telescopic support wheel (211), and the gear on the telescopic support wheel (211) meshes with the gear on the second adjustment rod (218).

Images