Gear and rack lifting system with pressure relief structure

Abstract

The application discloses a rack and pinion lifting system with a pressure relief structure, which comprises a frame and a base, the number of the frame is two, the two frames are arranged in parallel and vertically, and the two frames are fixedly connected to the base, a lifting assembly is arranged in the frame, a moving plate is fixedly connected to the lifting assembly, a driving gear capable of rotating is arranged on the frame, an axle is arranged on the axis of the driving gear, a bearing is sleeved on the axle, and the outer ring of the axle is fixedly connected to the frame. The application can conveniently convey the equipment to the predetermined height, and through the cooperation of the rack and pinion, the device is more stable during use, and after the equipment is conveyed to the predetermined height, the user can conveniently take down the equipment; the device can also clamp and fix the equipment placed on the moving plate during use, so that the stability of the equipment during lifting is ensured.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lifting devices, and particularly relates to a rack and pinion lifting system with a pressure relief structure. BACKGROUND

[0002] During equipment installation, the equipment is often installed at a high position, and therefore, lifting equipment is often needed.

[0003] In the prior art, there are various types of lifting equipment, such as large cranes and gantry cranes, each of which corresponds to different use scenarios.

[0004] The above lifting systems cannot be applied to the lifting system on a production line. SUMMARY

[0005] In view of the above, in order to overcome the defects of the prior art, the application provides a rack and pinion lifting system with a pressure relief structure, which effectively solves the problems in the background art.

[0006] To achieve the above purpose, the application provides the following technical scheme: a rack and pinion lifting system with a pressure relief structure, comprising a frame and a base, the number of frames is two, the two frames are arranged in parallel and vertically, and both of the two frames are fixedly connected to the base, a lifting assembly is arranged in the frame, a moving plate is fixedly connected to the lifting assembly, a drive gear capable of rotating is arranged on the frame, a middle shaft is arranged on the axis of the drive gear, a bearing is sleeved on the middle shaft, the outer ring of the middle shaft is fixedly connected to the frame, a horizontal plate is fixedly connected to the side surface of the frame, and a pressure relief structure is arranged on the horizontal plate.

[0007] Preferably, the lifting assembly comprises a first sliding plate, a first sliding groove is formed in the frame, the first sliding plate is arranged in the first sliding groove, the upper end of the first sliding groove is open, a first sliding block is fixedly connected to the first sliding plate, the first sliding block is inserted into the inner wall of the first sliding groove, a second sliding groove is formed in the first sliding plate, a second sliding plate is arranged in the second sliding groove, a second sliding block is fixedly connected to the side wall of the second sliding plate, the second sliding block is inserted into the inner wall of the second sliding groove, and the first sliding plate and the second sliding plate are both provided with a rack, the drive gear and the rack are meshed with each other, and when the second sliding plate is located at the bottom of the second sliding groove, the drive gear and the second sliding plate are meshed with each other.

[0008] Preferably, a limiting block is fixedly connected to the side wall of the second sliding plate, limiting grooves are formed in the inner wall of the second sliding groove, the number of limiting grooves is two, the limiting block can be inserted into the limiting grooves, and the limiting block is made of elastic material.

[0009] Preferably, a sliding groove is formed on the moving plate, and a clamping assembly and a screw rod are arranged in the sliding groove, the clamping assembly is two in number, and the clamping assembly passes through the screw rod, when the screw rod rotates, the two clamping assemblies can approach or move away from each other, so as to clamp and fix the equipment on the moving plate.

[0010] Preferably, the clamping assembly comprises a fixed plate and a moving block, the fixed plate and the moving block are connected through an axis and are hinged to each other, and the screw rod passes through the moving block and is threadedly connected with the moving block.

[0011] Preferably, the axis is fixedly connected between the fixed plate and the moving block, the axis extends out of the moving block, a fixed tooth is fixedly connected on one end of the sliding groove, and a third sliding groove is formed on the axis, when the axis approaches the fixed tooth, the fixed tooth can be inserted into the third sliding groove, and the axis is rotated.

[0012] Preferably, a recess is formed on one side of the fixed plate, a contact plate is arranged in the recess, the contact plate is connected with the inner wall of the recess through a spring, a pin block is connected on the contact plate, the pin block is connected with the contact plate through a second connecting rope, and a connecting groove is formed on the end of the sliding groove, and the pin block can be inserted into the connecting groove.

[0013] Preferably, one end of the first connecting rope is arranged on the second sliding plate, the other end of the first connecting rope is wound on the screw rod, and a torsional spring is further arranged outside the screw rod.

[0014] Preferably, one drive gear is arranged on each of the two frames, one belt pulley is arranged on each of the two drive gears, and the two belt pulleys are connected and driven through a belt.

[0015] Preferably, the pressure relief structure comprises a sliding plate, an installation groove is formed on the upper end of the horizontal plate, the sliding plate is located in the installation groove, one side of the sliding plate is provided with a gas cylinder, the extended end of the gas cylinder is fixedly connected on the sliding plate, the gas cylinder is installed in the horizontal plate, when the gas cylinder is extended, the sliding plate can slide in the installation groove, a mounting seat is fixedly connected on the sliding plate, a notch is arranged in the mounting seat, one end of a mounting frame is hinged in the notch in the mounting seat, a torsional spring is arranged in the mounting frame, a rotating wheel capable of rotating is arranged in the mounting frame, a pushing block is fixedly connected on the mounting frame, and the pushing block is fixedly connected on the axis of the rotating wheel.

[0016] Preferably, a fixed block is fixedly connected on the moving plate, a recess groove is formed on the lower end of the horizontal plate, a switch for controlling the gas cylinder is arranged in the recess groove, when the fixed block moves up and down, the fixed block can enter the recess groove and press the switch.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] 1) This invention can facilitate users to transport the equipment to a predetermined height, and through the cooperation of gears and racks, the device can be made more stable during use. Moreover, after the equipment is transported to the predetermined height, it is also convenient for users to remove the equipment.

[0019] 2) By providing a first sliding plate, a second sliding plate, and a clamping assembly, the device placed on the moving plate can be clamped and fixed when the device is in use, ensuring the stability of the device during the lifting process;

[0020] 3) By providing a pressure relief structure, when the device moves the equipment to a predetermined height, the pressure relief structure can release the clamping force of the clamping components on the surface of the equipment, thereby making it convenient for the user to remove the equipment. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0023] Figure 2 This is a schematic diagram of one side of the framework of the present invention;

[0024] Figure 3 This is a top view schematic diagram of the combined structure of the movable plate of the present invention;

[0025] Figure 4 This is a schematic diagram of the combined structure of the first sliding plate and the movable plate of the present invention;

[0026] Figure 5 This is a schematic diagram of the connection structure between the first and second sliding plates of the present invention;

[0027] Figure 6 This is a schematic diagram of the connection structure between the movable plate and the movable block of the present invention;

[0028] Figure 7 This is a partial structural schematic diagram of the rotating shaft of the present invention;

[0029] Figure 8 For the present invention Figure 3 Enlarged structural diagram at point A;

[0030] Figure 9 This is a schematic diagram of the connection structure between the fixing plate and the contact plate of the present invention;

[0031] Figure 10 This is a schematic diagram of one side of the horizontal plate of the present invention;

[0032] Figure 11 The application relates to a sliding plate and a cylinder combination. Figure 10 The application relates to a sliding plate and a cylinder combination.

[0033] Figure 12 The application relates to a sliding plate and a cylinder combination.

[0034] In the figure: 101, frame; 102, base; 103, moving plate; 104, driving gear; 105, belt; 106, first sliding groove; 107, first sliding plate; 108, first sliding block; 109, second sliding groove; 110, second sliding plate; 111, bearing; 112, pulley; 113, fixed plate; 114, first connecting rope; 115, screw; 116, torsional spring; 117, moving block; 118, rotating shaft; 119, third sliding groove; 120, pin block; 121, second connecting rope; 122, fixed tooth; 123, spring; 124, limiting block; 125, limiting groove; 126, contact plate; 127, connecting groove; 128, fixed block; 201, horizontal plate; 202, recessed groove; 203, sliding plate; 204, mounting seat; 205, mounting frame; 206, rotating wheel; 207, pushing block; 208, cylinder. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the application will be apparently and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application; based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0036] The application discloses a gear and rack lifting system with a pressure relief structure. Figures 1-12 The application discloses a gear and rack lifting system with a pressure relief structure, which comprises frames 101 and a base 102. The number of the frames 101 is two, the two frames 101 are arranged in parallel and vertically, and the two frames 101 are fixedly connected to the base 102. A lifting assembly is arranged in the frame 101, a moving plate 103 is fixedly connected to the lifting assembly, a driving gear 104 capable of rotating is arranged on the frame 101, a middle shaft is arranged on the axis of the driving gear 104, a bearing 111 is sleeved on the middle shaft, and the outer ring of the middle shaft is fixedly connected to the frame 101. A horizontal plate 201 is fixedly connected to the side surface of the frame 101, and a pressure relief structure is arranged on the horizontal plate 201.

[0037] When the device is placed on the moving plate 103, the lifting system can move upwards, so that the device on the moving plate 103 is transported to a predetermined height, and when the device is on the predetermined height, the pressure relief assembly can be in contact with the surface of the device, so that the device is separated from the clamping assembly on the surface, and the user can take out the device.

[0038] The lifting assembly comprises a first sliding plate 107, a first sliding groove 106 is formed in the frame 101, the first sliding plate 107 is arranged in the first sliding groove 106, the upper end of the first sliding groove 106 is open, the first sliding plate 107 is fixedly connected with a first sliding block 108, the first sliding block 108 is inserted into the inner wall of the first sliding groove 106, a second sliding groove 109 is formed in the first sliding plate 107, a second sliding plate 110 is arranged in the second sliding groove 109, a second sliding block is fixedly connected to the side wall of the second sliding plate 110 and is inserted into the inner wall of the second sliding groove 109, the first sliding plate 107 and the second sliding plate 110 are both provided with a rack, the driving gear 104 is engaged with the rack, and when the second sliding plate 110 is located at the bottom of the second sliding groove 109, the driving gear 104 is engaged with the second sliding plate 110.

[0039] When the driving gear 104 rotates, the driving gear 104 first cooperates with the second sliding plate 110, and when the second sliding plate 110 moves upward to the limit, the driving gear 104 can cooperate with the first sliding plate 107, so that when the driving gear 104 rotates, the driving gear 104 can first cooperate with the second sliding plate 110 and then cooperate with the first sliding plate 107, thereby driving the lifting assembly to lift.

[0040] The side wall of the second sliding plate 110 is fixedly connected with a limiting block 124, the inner wall of the second sliding groove 109 is provided with a limiting groove 125, the number of the limiting grooves 125 is two, and the limiting block 124 can be inserted into the limiting grooves 125, and the limiting block 124 is made of elastic material. When the second sliding plate 110 is located at the bottom of the second sliding groove 109, the limiting block 124 can cooperate with the limiting groove 125 located below, and when the limiting block 124 moves to the top of the second sliding groove 109, the limiting block 124 can cooperate with the limiting groove 125 located above, thereby fixing the position of the second sliding plate 110.

[0041] The moving plate 103 is provided with a sliding groove, and a clamping assembly and a screw rod 115 are arranged in the sliding groove, the number of the clamping assemblies is two, and the clamping assemblies pass through the screw rod 115, when the screw rod 115 rotates, the two clamping assemblies can move close to or away from each other to clamp and fix the equipment on the moving plate 103.

[0042] The clamping assembly comprises a fixed plate 113 and a moving block 117, the fixed plate 113 and the moving block 117 are connected through a rotating shaft 118 and are hingedly connected to each other, and the screw rod 115 passes through the moving block 117 and is threadedly connected with the moving block 117.

[0043] The rotating shaft 118 is fixedly connected between the fixed plate 113 and extends out of the moving block 117. A fixed tooth 122 is fixedly connected on one end of the sliding groove. A third sliding groove 119 is formed on the rotating shaft 118. When the rotating shaft 118 approaches the fixed tooth 122, the fixed tooth 122 can be inserted into the third sliding groove 119 and make the rotating shaft 118 rotate. Thus, when the fixed plate 113 moves to one end of the moving plate 103, the fixed plate 113 can be received into the moving plate 103, so as to facilitate the equipment to enter the moving plate and play a certain protection role for the fixed plate 113.

[0044] A recess is formed on one side of the fixed plate 113. A contact plate 126 is arranged in the recess. The contact plate 126 is connected with the inner wall of the recess through a spring 123. A pin block 120 is connected on the contact plate 126. The pin block 120 is connected with the contact plate 126 through a second connecting rope 121. A connecting groove 127 is formed on the end of the sliding groove. The pin block 120 can be inserted into the connecting groove 127. When the fixed plate 113 rotates, the pin block 120 can be inserted into the connecting groove 127, so as to pull the contact plate 126 into the recess.

[0045] One end of the first connecting rope 114 is arranged on the second sliding plate 110. The other end of the first connecting rope 114 is wound on the screw rod 115. A torsion spring 116 is further arranged outside the screw rod 115.

[0046] The two frames 101 have a driving gear 104. The two driving gears 104 are respectively provided with a belt pulley 112. The two belt pulleys 112 are connected and driven through a belt 105.

[0047] The moving plate 103 is fixedly connected with a fixed block 128. A recessed groove 202 is formed on the lower end of the horizontal plate 201. A switch for controlling the air cylinder 208 is arranged in the recessed groove 202. When the fixed block 128 moves up and down, the fixed block 128 can enter the recessed groove 202 and press the switch. When the moving plate 103 moves upward, the fixed block 128 on the moving plate 103 can enter the recessed groove 202. When the fixed block 128 enters the recessed groove 202, the switch in the recessed groove 202 can be pressed, so as to make the air cylinder 208 extend.

[0048] The pressure relief structure comprises a sliding plate 203, a mounting groove is formed at the upper end of the horizontal plate 201, the sliding plate 203 is located in the mounting groove, one side of the sliding plate 203 is provided with a cylinder 208, the extension end of the cylinder 208 is fixedly connected to the sliding plate 203, the cylinder 208 is mounted in the horizontal plate 201, and when the cylinder 208 is extended, the sliding plate 203 can slide in the mounting groove, a mounting seat 204 is fixedly connected to the sliding plate 203, a notch is arranged in the mounting seat 204, one end of a mounting frame 205 is hingedly connected in the notch in the mounting seat 204, a torsional spring is arranged in the mounting frame 205, a rotating wheel 206 capable of rotating is arranged in the mounting frame 205, a pushing block 207 is fixedly connected to the mounting frame 205, and the pushing block 207 is fixedly connected to the axis of the rotating wheel 206.

[0049] When the cylinder 103 is extended, the rotating wheel 206 can be in contact with the surface of the equipment, when the cylinder 103 continues to be extended, the rotating wheel 206 can rotate to make the mounting frame 205 rotate, after the mounting frame 205 rotates by a certain angle, the rotating wheel 206 can slide on the surface of the equipment, at this time, with the extension of the cylinder 103, the pushing block 207 can be in contact with the pin block 120, thereby making the pin block 120 drive the second connecting rope 121 to move, and the contact plate 126 is pulled into the fixed plate 113, so that the contact plate 126 is separated from the equipment.

[0050] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0051] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Rack and pinion lift system with pressure relief structure, characterized in that: Including frame (101) and base (102), the number of frame (101) is two, two frame (101) parallel and vertical arrangement, and two frame (101) are all fixed on base (102), lifting assembly is provided in frame (101), moving plate (103) is fixed on lifting assembly, driving gear (104) capable of rotating is provided on frame (101), the axis of driving gear (104) is provided with middle shaft, bearing (111) is sleeved on middle shaft, the outer ring of middle shaft is fixed on frame (101), transverse plate (201) is fixed on the side surface of frame (101), and pressure relief structure is provided on transverse plate (201); The sliding groove is formed in the moving plate (103), and the clamping assembly and the screw (115) are arranged in the sliding groove, the number of clamping assembly is two, and the clamping assembly passes through the screw (115), when the screw (115) rotates, the two clamping assemblies can approach each other / away from each other, so as to clamp and fix the equipment on the moving plate (103); The clamping assembly includes fixed plate (113) and moving block (117), the fixed plate (113) and the moving block (117) are connected by the shaft (118) and are hinged to each other, the screw (115) passes through the moving block (117) and is screwed with the moving block (117); The pressure relief structure includes sliding plate (203), the mounting groove is formed in the upper end of the transverse plate (201), the sliding plate (203) is located in the mounting groove, one side of the sliding plate (203) is provided with the air cylinder (208), the elongated end of the air cylinder (208) is fixed on the sliding plate (203), and the air cylinder (208) is installed in the transverse plate (201), and when the air cylinder (208) is elongated, the sliding plate (203) can slide along the mounting groove, the mounting seat (204) is fixed on the sliding plate (203), the mounting seat (204) is provided with a notch, one end of the mounting bracket (205) is hinged in the notch in the mounting seat (204), the torsional spring is arranged in the mounting bracket (205), the rotating wheel (206) capable of rotating is arranged in the mounting bracket (205), and the actuating block (207) is fixed on the mounting bracket (205), the actuating block (207) is fixed on the axis of the rotating wheel (206), the radius of the rotating wheel (206) is greater than the width of the fixed plate (113), when the contact plate (126) in the fixed plate (113) is completely stretched out of the fixed plate (113), the distance between the side surface of the fixed plate (113) and the side surface of the contact plate (126) is X, and the radius of the rotating wheel (206) is less than X; The fixed block (128) is fixed on the moving plate (103), the recess groove (202) is formed in the lower end of the transverse plate (201), the switch for controlling the air cylinder (208) is arranged in the recess groove (202), when the fixed block (128) moves up and down, the fixed block (128) can enter the recess groove (202) and press the switch.

2. A rack and pinion lift system with pressure relief structure as claimed in claim 1, characterized in that: The lifting assembly comprises a first sliding plate (107), a first sliding groove (106) is formed in the frame (101), the first sliding plate (107) is arranged in the first sliding groove (106), the upper end of the first sliding groove (106) is open, the first sliding plate (107) is fixedly connected with a first sliding block (108), the first sliding block (108) is inserted into the inner wall of the first sliding groove (106), a second sliding groove (109) is formed in the first sliding plate (107), a second sliding plate (110) is arranged in the second sliding groove (109), a second sliding block is fixedly connected to the side wall of the second sliding plate (110), and the second sliding block is inserted into the inner wall of the second sliding groove (109); the first sliding plate (107) and the second sliding plate (110) are provided with racks, the driving gear (104) is engaged with the racks, and when the second sliding plate (110) is located at the bottom of the second sliding groove (109), the driving gear (104) is engaged with the second sliding plate (110).

3. The rack and pinion lift system with pressure relief structure of claim 2, wherein: The side wall of the second sliding plate (110) is fixedly connected with a limiting block (124), limiting grooves (125) are formed in the inner wall of the second sliding groove (109), the number of the limiting grooves (125) is two, the limiting block (124) can be inserted into the limiting grooves (125), and the limiting block (124) is made of elastic material.

4. The rack and pinion lift system with pressure relief structure of claim 1, wherein: The rotating shaft (118) is fixedly connected between the fixed plate (113) and the moving block (117), the rotating shaft (118) extends out of the moving block (117), a fixed tooth (122) is fixedly connected to one end of the sliding groove, a third sliding groove (119) is formed in the rotating shaft (118), when the rotating shaft (118) approaches the fixed tooth (122), the fixed tooth (122) can be inserted into the third sliding groove (119), and the rotating shaft (118) is rotated.

5. The rack and pinion lift system with pressure relief structure of claim 4, wherein: One side of the fixed plate (113) is provided with a groove, a contact plate (126) is arranged in the groove, the contact plate (126) is connected with the inner wall of the groove through a spring (123), a pin block (120) is connected to the contact plate (126), the pin block (120) is connected with the contact plate (126) through a second connecting rope (121), and a connecting groove (127) is formed in the end of the sliding groove, and the pin block (120) can be inserted into the connecting groove (127).

6. The rack and pinion lift system with pressure relief structure of claim 2, wherein: One end of the first connecting rope (114) is arranged on the second sliding plate (110), the other end of the first connecting rope (114) is wound on a screw rod (115), a torsional spring (116) is further arranged outside the screw rod (115), one driving gear (104) is arranged on each of the two frames (101), one belt pulley (112) is arranged on each of the two driving gears (104), and the two belt pulleys (112) are connected and driven through a belt (105).

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