Electric variable-frequency rack and pinion lifting system

Abstract

The present invention discloses an electric variable-frequency rack-and-pinion lifting system, which includes a frame and a base. The number of frames is two, and the two frames are arranged parallel and vertically, and both frames are fixedly connected to the base. A lifting component is arranged inside the frame, a moving plate is fixedly connected to the lifting component, a driving gear capable of rotating is arranged on the frame, a central shaft is arranged on the axis of the driving gear, a bearing is sleeved on the central shaft, and the outer ring of the central shaft is fixedly connected to the frame. A conveyor belt is arranged on one side of the frame, and a push plate is arranged on one side of the conveyor belt. During the implementation of the present invention, it can facilitate the user to convey the workpiece to a predetermined height, and through the cooperation of the gear and the rack, the device can be more stable during use; and it can facilitate the user to place the workpiece, and with the use of the conveyor belt, the workpiece can be conveyed. When the workpiece reaches the predetermined position on the conveyor belt, through the use of the air cylinder and the push plate, the workpiece can be pushed onto the moving plate.

Description

Technical Field

[0001] The present invention belongs to the technical field of lifting devices, and specifically relates to an electric variable-frequency gear-rack type lifting system. Background Art

[0002] When installing equipment, since it is often necessary to install the equipment at a relatively high position, lifting equipment is often required.

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

[0004] For the lifting system on the production line, the above-mentioned lifting systems are not applicable. Summary of the Invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an electric variable-frequency gear-rack type lifting system, which effectively solves the problems in the background art.

[0006] To achieve the above object, the present invention provides the following technical solution: An electric variable-frequency gear-rack type lifting system, including a frame and a base. The number of frames is two, and the two frames are arranged parallel and vertically, and both frames are fixedly connected to the base. A lifting component is arranged in the frame, a moving plate is fixedly connected to the lifting component, a driving gear capable of rotating is arranged on the frame, a central shaft is arranged on the axis of the driving gear, a bearing is sleeved on the central shaft, and the outer ring of the central shaft is fixedly connected to the frame. A conveyor belt is arranged on one side of the frame, a push plate is arranged on one side of the conveyor belt, a cylinder is fixedly connected to the push plate, and the cylinder can push the push plate towards the moving plate.

[0007] Preferably, the lifting component includes a first sliding plate. A first sliding groove is opened in the frame, the first sliding plate is arranged in the first sliding groove, and the upper end of the first sliding groove is open. A first sliding block is fixedly connected to the first sliding plate, and the first sliding block is inserted into the inner wall of the first sliding groove. A second sliding groove is opened 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, and the second sliding block is inserted into the inner wall of the second sliding groove. Rack teeth are arranged on both the first sliding plate and the second sliding plate, the driving gear meshes with the rack teeth, and when the second sliding plate is at the bottom of the second sliding groove, the driving gear meshes with the second sliding plate.

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

[0009] Preferably, a sliding groove is formed in the moving plate, and a clamping assembly and a screw rod are arranged in the sliding groove. The number of the clamping assemblies is two, and the clamping assemblies pass through the screw rod. When the screw rod rotates, the two clamping assemblies can approach / separate from each other to clamp and fix the workpiece on the moving plate.

[0010] Preferably, the clamping assembly includes a fixed plate and a moving block. The fixed plate and the moving block are connected and hinged to each other through a rotating shaft. The screw rod passes through the moving block and is threadedly connected to the moving block.

[0011] Preferably, the rotating shaft is fixedly connected to the fixed plate, and the rotating shaft extends outside the moving block. A fixed tooth is fixedly connected to one end of the sliding groove. A third sliding groove is formed in the rotating shaft. When the rotating shaft approaches the fixed tooth, the fixed tooth can be inserted into the third sliding groove and the rotating shaft can be rotated.

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

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

[0014] Preferably, there is a driving gear on two frames. A pulley is respectively arranged on the two driving gears. The two pulleys are connected and driven by a belt.

[0015] Preferably, a baffle is fixedly connected to the frame.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1) The present invention can facilitate the user to convey the workpiece to a predetermined height, and through the cooperation of the gear and the rack, the device can be more stable when in use;

[0018] 2) By arranging a moving plate, it is convenient for the user to place the workpiece, and in cooperation with the use of the conveyor belt, the workpiece can be conveyed. When the workpiece reaches a predetermined position by the conveyor belt, the workpiece can be pushed onto the moving plate by using the air cylinder and the push plate;

[0019] 3) By arranging the first sliding plate, the second sliding plate and the clamping assembly, the workpiece placed on the moving plate can be clamped and fixed when the device is in use, ensuring the stability of the workpiece during the lifting process. Description of the Drawings

[0020] The accompanying drawings are used to provide a further understanding of the present invention and form a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings:

[0021] Figure 1 is a schematic front view structure diagram of the whole of the present invention;

[0022] Figure 2 is a schematic side view structure diagram of one side of the frame of the present invention;

[0023] Figure 3 is a schematic top view structure diagram of the combination of the moving plate and the conveyor belt of the present invention;

[0024] Figure 4 is a schematic structure diagram of the combination of the first sliding plate and the moving plate of the present invention;

[0025] Figure 5 is a schematic connection structure diagram of the first sliding plate and the second sliding plate of the present invention;

[0026] Figure 6 is a schematic connection structure diagram of the moving plate and the moving block of the present invention;

[0027] Figure 7 is a schematic partial structure diagram of the rotating shaft of the present invention;

[0028] Figure 8 of the present invention Figure 3 is an enlarged schematic structure diagram at A in;

[0029] Figure 9 is a schematic connection structure diagram of the fixed plate and the contact plate of the present invention.

[0030] In the figure: 101, frame; 102, base; 103, moving plate; 104, driving gear; 105, belt; 106, first chute; 107, first sliding plate; 108, first slider; 109, second chute; 110, second sliding plate; 111, bearing; 112, pulley; 113, fixed plate; 114, first connecting rope; 115, screw; 116, torsion spring; 117, moving block; 118, rotating shaft; 119, third chute; 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, baffle; 201, conveyor belt; 301, push plate; 302, cylinder. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0032] Given by Figure 1-9 The present invention discloses an electric variable-frequency rack-and-pinion lifting system, including a frame 101 and a base 102. The number of frames 101 is two. The two frames 101 are arranged parallel and vertically, and both 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 rotatable driving gear 104 is arranged on the frame 101. A central axis is arranged on the axis of the driving gear 104. A bearing 111 is sleeved on the central axis. The outer ring of the central axis is fixedly connected to the frame 101. A conveyor belt 201 is arranged on one side of the frame 101. A push plate 301 is arranged on one side of the conveyor belt 201. A cylinder 302 is fixedly connected to the push plate 301. The cylinder 302 can push the push plate 301 towards the moving plate 103.

[0033] When the device is in use, the workpiece is placed on the conveyor belt 201 for conveying. When the workpiece is conveyed to a predetermined position, the cylinder 301 can push the push plate 302, so as to place the workpiece on the moving plate 103. Then the driving gear 104 rotates, driving the lifting assembly, so that the moving plate 103 moves upward.

[0034] The lifting assembly includes 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, and the upper end of the first sliding groove 106 is open. A first sliding block 108 is fixedly connected to the first sliding plate 107. 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. The second sliding block is inserted into the inner wall of the second sliding groove 109. Rack teeth are arranged on both the first sliding plate 107 and the second sliding plate 110. The driving gear 104 meshes with the rack teeth, and when the second sliding plate 110 is at the bottom of the second sliding groove 109, the driving gear 104 meshes with the second sliding plate 110.

[0035] When the driving gear 104 rotates, it will first cooperate with the second sliding plate 110. When the second sliding plate 110 moves upward to the limit, the driving gear 104 can cooperate with the first sliding plate 107. Thus, when the driving gear 104 rotates, it can first cooperate with the second sliding plate 110 and then with the first sliding plate 107, thereby driving the lifting assembly to lift and lower.

[0036] A limiting block 124 is fixedly connected to the side wall of the second sliding plate 110, a limiting groove 125 is formed on the inner wall of the second sliding groove 109, the number of the limiting grooves 125 is two, and the limiting block 124 can be inserted into the limiting groove 125. The limiting block 124 is made of elastic material. When the second sliding plate 110 is at the bottom of the second sliding groove 109, the limiting block 124 can cooperate with the lower limiting groove 125. When the limiting block 124 moves to the top of the second sliding groove 109, the limiting block 124 can cooperate with the upper limiting groove 125, thereby fixing the position of the second sliding plate 110.

[0037] A sliding groove is formed on the moving plate 103, and a clamping assembly and a screw 115 are arranged in the sliding groove. The number of the clamping assemblies is two, and the clamping assemblies pass through the screw 115. When the screw 115 rotates, the two clamping assemblies can approach / separate from each other to clamp and fix the workpiece on the moving plate 103.

[0038] The clamping assembly includes a fixing plate 113 and a moving block 117. The fixing plate 113 and the moving block 117 are connected and hinged to each other through a rotating shaft 118. The screw 115 passes through the moving block 117 and is threadedly connected to the moving block 117.

[0039] The rotating shaft 118 is fixedly connected to the fixing plate 113 and extends outside the moving block 117. A fixing tooth 122 is fixedly connected to 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 fixing tooth 112, the fixing tooth 112 can be inserted into the third sliding groove 119 and make the rotating shaft 118 rotate. Thus, when the fixing plate 113 moves to one end of the moving plate 103, the fixing plate 113 can be received into the moving plate 103, so as to facilitate the workpiece to enter the moving plate and play a certain protective role for the fixing plate 113.

[0040] A groove is formed on one side of the fixing plate 113, a contact plate 126 is arranged in the groove, the contact plate 126 is connected to 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 to the contact plate 126 through a second connecting rope 121, a connecting groove 127 is formed at the end of the sliding groove, and the pin block 120 can be inserted into the connecting groove 127. When the fixing plate 113 rotates, the pin block 120 can be inserted into the connecting groove 127, thereby pulling the contact plate 126 into the groove.

[0041] One end of a first connecting rope 114 is arranged on the second sliding plate 110, the other end of the first connecting rope 114 is wound around the screw 115, and a torsion spring 116 is further arranged outside the screw 115.

[0042] There is a driving gear 104 on two frames 101. There is a pulley 112 respectively arranged on the two driving gears 104. The two pulleys 112 are connected and driven by a belt 105.

[0043] A baffle 128 is fixedly connected to the frame 101. When the workpiece abuts against the baffle 128, the workpiece will no longer be able to move with the conveyor belt 201. At this time, the push plate.

[0044] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Electric variable frequency rack and pinion lifting system, characterized in that: It includes a frame (101) and a base (102). There are two frames (101). The two frames (101) are arranged parallel and vertically, and both frames (101) are fixedly connected to the base (102). A lifting component is arranged inside the frame (101). A moving plate (103) is fixedly connected to the lifting component. A rotatable driving gear (104) is arranged on the frame (101). A central axis is arranged on the axis of the driving gear (104). A bearing (111) is sleeved on the central axis. The outer ring of the central axis is fixedly connected to the frame (101). A conveyor belt (201) is arranged on one side of the frame (101). A push plate (301) is arranged on one side of the conveyor belt (201). A cylinder (302) is fixedly connected to the push plate (301). The cylinder (302) can push the push plate (301) towards the moving plate (103); The lifting component includes a first sliding plate (107). A first sliding groove (106) is formed inside the frame (101). The first sliding plate (107) is arranged inside the first sliding groove (106), and the upper end of the first sliding groove (106) is open. A first slider (108) is fixedly connected to the first sliding plate (107). The first slider (108) is inserted into the inner wall of the first sliding groove (106). A second sliding groove (109) is formed inside the first sliding plate (107). A second sliding plate (110) is arranged inside the second sliding groove (109). A second slider is fixedly connected to the side wall of the second sliding plate (110). The second slider is inserted into the inner wall of the second sliding groove (109). Rack teeth are arranged on both the first sliding plate (107) and the second sliding plate (110). The driving gear (104) meshes with the rack teeth. And when the second sliding plate (110) is located at the bottom of the second sliding groove (109), the driving gear (104) meshes with the second sliding plate (110); A sliding groove is formed on the moving plate (103). A clamping component and a screw rod (115) are arranged inside the sliding groove. There are two clamping components. The clamping components pass through the screw rod (115). When the screw rod (115) rotates, the two clamping components can approach / separate from each other to clamp and fix the workpiece on the moving plate (103); The clamping component includes a fixed plate (113) and a moving block (117). The fixed plate (113) and the moving block (117) are connected and hinged to each other through a rotating shaft (118). The screw rod (115) passes through the moving block (117) and is threadedly connected to the moving block (117); The rotating shaft (118) is fixedly connected to the fixed plate (113), and the rotating shaft (118) extends outside 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 on the rotating shaft (118). When the rotating shaft (118) approaches the fixed tooth (112), the fixed tooth (112) can be inserted into the third sliding groove (119) and cause the rotating shaft (118) to rotate; One end of a first connecting rope (114) is arranged on the second sliding plate (110), the other end of the first connecting rope (114) is wound around a screw rod (115), and a torsion spring (116) is further arranged outside the screw rod (115).

2. The electric variable-frequency rack and pinion lifting system according to claim 1, wherein: A limiting block (124) is fixedly connected to the side wall of the second sliding plate (110), limiting grooves (125) are formed in the inner wall of the second sliding groove (109), the number of the limiting grooves (125) is two, and the limiting block (124) can be inserted into the limiting grooves (125). The limiting block (124) is made of an elastic material.

3. The electric variable-frequency rack and pinion lifting system according to claim 1, wherein: One driving gear (104) is arranged on two frames (101), one pulley (112) is arranged on each of the two driving gears (104), and the two pulleys (112) are connected and driven by a belt (105).

4. The electric variable-frequency rack and pinion type lifting system according to claim 1, wherein: A baffle (128) is fixedly connected to the frame (101).

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