Gear transmission compact shelf

Abstract

Second clamping rings are arranged at the two ends of a gear box, second clamping grooves are formed in the second clamping rings, first circular rings and second circular rings are fixed to the tops and the bottoms of the second clamping rings correspondingly, a plurality of sets of rollers are arranged on the inner walls of gear rings, screws are arranged in the gear rings, and the screws are connected with the first circular rings and the second circular rings correspondingly. The second clamping ring is divided into two halves, springs are arranged at the positions of the two halves of the second clamping ring, a first fixing plate is rotationally connected to the bottom of the gear ring, tooth grooves are formed in the tail ends of the two sides of the first fixing rod and the tail ends of the two sides of the second fixing rod, and one end of the first fixing plate is fixed to the two sides of the two ends of the gearbox. The first rotating shaft, the second rotating shaft, the third rotating shaft and the fourth rotating shaft stop rotating, and the situation that gears of the gear transmission box are damaged due to the fact that the frame moves forwards when stopping is avoided.

Description

Technical Field

[0001] The invention relates to the field of gear transmission compact racks, in particular to a gear transmission compact rack. Background Art

[0002] Mobile compact shelving, also known as mobile compact cabinets, is a type of compact filing equipment. A gear transmission box is installed on the base of a double-column double-sided fixed frame. The gear transmission box is a box used for gear transmission, and the gear transmission is a mechanical transmission that uses the mutual meshing of the teeth of two gears to transmit power and motion.

[0003] The current gear-driven compact shelving system is a system that installs a wheel transmission box on the base of a double-column double-sided fixed frame, and can move the shelves in a straight line along a small guide rail laid on the ground. Multiple shelves can be brought together or apart as needed.

[0004] When the current gear transmission box controls the rack to move to a certain position, the gear transmission box will stop running immediately, so that the rack moves to the required position. However, when stopping, the rack itself will move forward to a certain extent, causing the gears of the gear transmission box to be damaged and reducing the life of the gears. Summary of the invention

[0005] Based on this, the purpose of the present invention is to provide a gear-driven compact shelving to solve the technical problem that when the shelf moves to a certain position, the gear transmission box will immediately stop running, allowing the shelf to move to the required position, but the shelf itself will move forward to a certain extent when stopping, causing the gears of the gear transmission box to be damaged.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gear-driven compact shelving, comprising a base, a gear box is arranged on the top of the base, a No. 1 fixed rod and a No. 2 fixed rod are arranged at the bottom and the bottom of both ends of the gear box, a No. 1 fixed rod and a No. 2 fixed rod are arranged at the ends of the No. 1 fixed rod and the No. 2 fixed rod, a No. 1 transmission assembly and a No. 2 transmission assembly are arranged, the No. 2 retaining ring is arranged at both ends of the gear box, a No. 2 retaining groove is arranged inside the No. 2 retaining ring, a No. 1 circular ring and a No. 2 circular ring are fixed on the top and bottom of the No. 2 retaining ring, a plurality of rolling groups are arranged on the inner wall of the gear ring, and a screw-shaped frame is arranged inside the gear ring to drive the screws in the No. 1 transmission assembly and the No. 2 transmission assembly to move downward.

[0007] The present invention is further configured as follows: the No. 2 retaining ring is configured as two halves, springs are provided at the positions of the two halves of the No. 2 retaining ring, the bottom of the gear ring is rotatably connected to a No. 1 fixing plate, the ends of the No. 1 fixing rod and the No. 2 fixing rod on both sides are provided with tooth grooves, the screw rod moves downward and drives the gear ring to rotate through rolling, the rotation of the gear ring drives the No. 1 fixing rod and the No. 2 fixing rod to move inward through the tooth grooves, one end of the No. 1 fixing plate is fixed to both sides of the two ends of the gear box, and a No. 1 slide groove is provided on the outer side of the gear box.

[0008] The present invention is further configured such that the No. 1 fixing rod and the No. 2 fixing rod are arranged inside the No. 1 circular ring and the No. 2 circular ring, the No. 1 fixing rod is fixedly connected to the No. 1 circular ring at the top, the No. 2 fixing rod is fixedly connected to the No. 2 circular ring at the bottom, the gear ring is meshed with the gear groove, and the No. 1 transmission assembly and the No. 2 transmission assembly have the same parts.

[0009] The present invention is further configured such that electric push rods are provided on both sides of the base, a cover plate is provided on the top of the gear box, a square frame is provided on the outer side of the bottom of the cover plate, the output end of the electric push rod is fixedly connected to the bottom of the square frame, and the top of the screw rod is fixedly connected to the bottom of both ends of the square frame.

[0010] The present invention is further configured as follows: the gear box is slidably connected to a sliding box inside, a No. 1 rotating shaft is provided at both ends of one side inside the sliding box, a No. 1 slot is provided at both ends of the outer side of the No. 1 rotating shaft, a No. 1 bevel gear is fixed to the middle of the No. 1 rotating shaft, a No. 3 rotating shaft is provided in the middle of the sliding box, a plurality of groups of No. 2 bevel gears are fixed to the outer side of the No. 3 rotating shaft, and a No. 3 bevel gear is fixed to the end of the No. 2 rotating shaft.

[0011] The present invention is further configured such that a No. 4 rotating shaft is provided at one end of the other side of the interior of the sliding box, a No. 4 bevel gear is fixed to the outer side of the No. 4 rotating shaft, the No. 4 bevel gear is meshed with the No. 2 bevel gear at the end of the No. 3 rotating shaft, the No. 3 bevel gear is meshed with the No. 2 bevel gear in the middle of the No. 3 rotating shaft, and the No. 1 bevel gear is meshed with the No. 2 bevel gear at the head end of the No. 3 rotating shaft.

[0012] The present invention is further configured such that the outer sides of the No. 1 rotating shaft, the No. 2 rotating shaft, the No. 3 rotating shaft and the No. 4 rotating shaft are all provided with a No. 1 clamping groove, the outer side of the No. 1 clamping groove is provided with a No. 1 clamping ring, one end of the No. 1 clamping ring is provided with a bolt, and the No. 2 clamping ring is provided on the outer side of the No. 1 clamping ring.

[0013] The present invention is further configured as follows: both ends of the outer side of the sliding box are provided with a No. 2 slide groove, the outer side of the sliding box is provided with multiple groups of circular holes, the interior of the sliding box is provided with a No. 2 fixed plate, both ends of the No. 2 fixed plate are slidably connected with sliders, the wedge block plate drives the sliding ring to move downward, the sliding ring squeezes the wedge plate to move to one end, the wedge plate drives the slider to move to one end, the end of the slider is slidably connected to the No. 2 slide groove, both ends of the top of the No. 2 slide groove are fixed with fixed columns, the fixing frame is arranged on the outer side of the No. 3 rotating shaft, both ends of the fixing frame are provided with bolts, the interior of the bolt is cylindrical, and the bottom of the bolt is provided with a wedge block plate, which squeezes the wedge block plate to move downward, and the wedge block plate drives the sliding ring to move downward.

[0014] The present invention is further configured such that the wedge block plate is arranged on the outer side of the fixed column, and the bottom of the outer side of the fixed column is slidably connected to the sliding ring. The bolt is rotated to move downward, squeezing the wedge block plate to move downward, and the wedge block plate drives the sliding ring to move downward. A wedge plate is arranged at the bottom of the sliding ring, and the end of the wedge plate is fixedly connected to the slider.

[0015] In summary, the present invention mainly has the following beneficial effects:

[0016] By controlling the electric push rod, the electric push rod pushes the square frame downward, and the square frame drives the screw rods in the No. 1 transmission assembly and the No. 2 transmission assembly to move downward. The downward movement of the screw rod drives the gear ring to rotate through rolling. The rotation of the gear ring drives the No. 1 fixed rod and the No. 2 fixed rod to move inward through the tooth groove. The No. 1 fixed rod and the No. 2 fixed rod drive the bottom No. 1 ring to slide to one side and the No. 2 ring to slide to the other side, driving the No. 2 retaining ring to tighten, so that the No. 2 slot in the No. 2 retaining ring is engaged with the No. 1 slot, so that the No. 1 rotating shaft, the No. 2 rotating shaft, the No. 3 rotating shaft, and the No. 4 rotating shaft stop rotating, to prevent the frame itself from moving forward when stopping, causing the gears of the gear transmission box to be damaged.

[0017] By controlling the electric push rod to move completely upward, the square frame is pushed upward, and the square frame pushes the cover plate upward, so that the cover plate leaves the gear box, and the inside of the gear box is inspected and repaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the overall side structure of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the first, second, third and fourth rotating shafts of the present invention;

[0021] Figure 4 It is a schematic diagram of the overall internal structure of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the clamp ring of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the first and second transmission components of the present invention;

[0024] Figure 7 It is a schematic diagram of the sliding box structure of the present invention;

[0025] Figure 8 Schematic diagram of bolt structure of the present invention

[0026] In the figure: 1, base; 101, gear box; 102, cover plate; 103, electric push rod; 104, square frame; 105, No. 1 slide slot; 106, sliding box; 2, No. 1 shaft; 201, No. 1 slot; 202, No. 1 bevel gear; 203, No. 2 bevel gear; 204, No. 2 shaft; 205, No. 3 bevel gear; 206, No. 3 shaft; 207, No. 4 bevel gear; 208, No. 4 shaft; 3, No. 1 fixing rod; 4, No. 2 fixing rod; 5, No. 1 snap ring; 501, bolt; 6 , transmission assembly No. 1; 601, tooth groove; 602, gear ring; 603, rolling; 604, fixed plate No. 1; 605, screw; 606, retaining ring No. 2; 607, retaining groove No. 2; 608, circular ring No. 1; 609, circular ring No. 2; 610, spring; 7, transmission assembly No. 2; 8, slide groove No. 2; 801, fixed plate No. 2; 802, fixed column; 803, slider; 804, round hole; 805, fixed frame; 806, bolt; 807, wedge block plate; 808, sliding ring; 809, wedge plate. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] The following describes an embodiment of the present invention based on its overall structure.

[0029] Gear transmission racks, such as Figure 1 , 5 , 6, comprising a base (1), a gear box (101) is arranged on the top of the base (1), a No. 1 fixing rod 3 and a No. 2 fixing rod 4 are arranged at the bottom and bottom of both ends of the gear box 101, a No. 1 transmission assembly 6 and a No. 2 transmission assembly 7 are arranged at the ends of the No. 1 fixing rod 3 and the No. 2 fixing rod 4, a No. 2 snap ring 606 is arranged at both ends of the gear box 101, a No. 2 snap groove 607 is arranged inside the No. 2 snap ring 606, a No. 1 circular ring 608 and a No. 2 circular ring 609 are fixed on the top and bottom of the No. 2 snap ring 606, a plurality of groups of rollers 603 are arranged on the inner wall of the gear ring 602, a screw rod 605 is arranged inside the gear ring 602, and a screw rod 605-shaped frame 104 drives the screw rods 605 in the No. 1 transmission assembly 6 and the No. 2 transmission assembly 7 to move downward;

[0030] The shaped frame 104 drives the screw rods 605 in the No. 1 transmission assembly 6 and the No. 2 transmission assembly 7 to move downward.

[0031] The No. 2 retaining ring 606 is set in two halves, and springs 610 are set at the positions of the two halves of the No. 2 retaining ring 606. The bottom of the gear ring 602 is rotatably connected to the No. 1 fixed plate 604, and the ends of the No. 1 fixed rod 3 and the No. 2 fixed rod 4 on both sides are provided with tooth grooves 601. The screw rod 605 moves downward and drives the gear ring 602 to rotate through the rolling 603. The rotation of the gear ring 602 drives the No. 1 fixed rod 3 and the No. 2 fixed rod 4 to move inward through the tooth groove 601. One end of the No. 1 fixed plate 604 is fixed to both sides of the two ends of the gear box 101, and the outer side of the gear box 101 is provided with a No. 1 slide groove 105. The No. 1 fixed rod 3 and the No. 2 fixed rod 4 are set inside the No. 1 circular ring 608 and the No. 2 circular ring 609, and the No. 1 fixed rod 3 is fixedly connected to the No. 1 circular ring 608 at the top. The second fixing rod 4 is fixedly connected to the second bottom ring 609, the tooth ring 602 is meshed with the tooth groove 601, and the first transmission assembly 6 and the second transmission assembly 7 have the same parts;

[0032] The No. 1 fixing rod 3 and the No. 2 fixing rod 4 drive the No. 1 ring 608 at the bottom to slide to one side and the No. 2 ring 609 to slide to the other side, driving the No. 2 clamping ring 606 to tighten

[0033] It should be noted that the screw 605 in the No. 1 transmission assembly 6 and the No. 2 transmission assembly 7 is driven downward by the square frame 104, and the downward movement of the screw 605 drives the gear ring 602 to rotate through the rolling 603, and the rotation of the gear ring 602 drives the No. 1 fixed rod 3 and the No. 2 fixed rod 4 to move inward through the tooth groove 601, and the No. 1 fixed rod 3 and the No. 2 fixed rod 4 drive the No. 1 circular ring 608 at the bottom to slide to one side and the No. 2 circular ring 609 to slide to the other side, driving the No. 2 retaining ring 606 to tighten, so that the No. 2 slot 607 in the No. 2 retaining ring 606 is engaged with the No. 1 slot 201, so that the No. 1 rotating shaft 2, the No. 2 rotating shaft 204, the No. 3 rotating shaft 206, and the No. 4 rotating shaft 208 stop rotating, to prevent the shelf itself from moving forward when stopping.

[0034] Please pay attention to Figure 1 , 2, 3, 4, both sides of the base 1 are provided with electric push rods 103, the top of the gear box 101 is provided with a cover plate 102, the outer side of the bottom of the cover plate 102 is provided with a square frame 104, the output end of the electric push rod 103 is fixedly connected to the bottom of the square frame 104, the top of the screw rod 605 is fixedly connected to the bottom of both ends of the square frame 104, the gear box 101 is slidably connected with a sliding box 106 inside, both ends of one side of the sliding box 106 are provided with a No. 1 rotating shaft 2, both ends of the outer side of the No. 1 rotating shaft 2 are provided with a No. 1 card groove 201, a No. 1 bevel gear 202 is fixed in the middle of the No. 1 rotating shaft 2, a No. 3 rotating shaft 206 is provided in the middle of the sliding box 106, a plurality of groups of No. 2 bevel gears 203 and a No. 2 rotating shaft 204 are fixed to the outer side of the No. 3 rotating shaft 206, and a No. 3 bevel gear 205 is fixed at the end of the No. 2 rotating shaft 204;

[0035] The square frame 104 drives the screw rods 605 in the No. 1 transmission assembly 6 and the No. 2 transmission assembly 7 to move downward.

[0036] A fourth rotating shaft 208 is disposed at one end of the other side of the interior of the sliding box 106, a fourth bevel gear 207 is fixed to the outer side of the fourth rotating shaft 208, the fourth bevel gear 207 is meshed with the second bevel gear 203 at the end of the third rotating shaft 206, the third bevel gear 205 is meshed with the second bevel gear 203 in the middle of the third rotating shaft 206, the first bevel gear 202 is meshed with the second bevel gear 203 at the head end of the third rotating shaft 206, the outer sides of the first rotating shaft 2, the second rotating shaft 204, the third rotating shaft 206, and the fourth rotating shaft 208 are all provided with a first clamping groove 201, the outer side of the first clamping groove 201 is provided with a first clamping ring 5, one end of the first clamping ring 5 is provided with a bolt 501, and the second clamping ring 606 is provided on the outer side of the first clamping ring 5;

[0037] The first rotating shaft 2, the second rotating shaft 204, the third rotating shaft 206, and the fourth rotating shaft 208 stop rotating to prevent the rack itself from moving forward when stopping.

[0038] It can be understood that by controlling the electric push rod 103 to move completely upward, the square frame 104 is pushed upward, and the square frame 104 pushes the cover plate 102 upward, so that the cover plate 102 leaves the gear box 101, and the inside of the gear box 101 is inspected and repaired.

[0039] Please pay attention to Figure 7 , 8, both ends of the outer side of the sliding box 106 are provided with a second slide groove 8, and multiple groups of round holes 804 are provided on the outer side of the sliding box 106. A second fixed plate 801 is provided inside the sliding box 106, and both ends of the second fixed plate 801 are slidably connected with a slider 803, the wedge block plate 807 drives the sliding ring 808 to move downward, the sliding ring 808 squeezes the wedge plate 809 to move toward one end, and the wedge plate 809 drives the slider 803 to move toward one end. The end of the slider 803 is slidably connected with the second slide groove 8, and the two ends of the top of the second slide groove 8 are fixed with a fixed column 802, and the fixed frame 805 is arranged on the outer side of the third rotating shaft 206. The fixed frame 805 Bolts 806 are provided at both ends, the interior of bolt 806 is cylindrical, a wedge block plate 807 is provided at the bottom of bolt 806, the wedge block plate 807 is squeezed to move downward, and the wedge block plate 807 drives the sliding ring 808 to move downward, the wedge block plate 807 is provided on the outer side of the fixed column 802, and the bottom of the outer side of the fixed column 802 is slidably connected to the sliding ring 808, the bolt 806 is rotated to make the bolt 806 move downward, the wedge block plate 807 is squeezed to move downward, and the wedge block plate 807 drives the sliding ring 808 to move downward, and a wedge plate 809 is provided at the bottom of the sliding ring 808, and the end of the wedge plate 809 is fixedly connected to the slider 803.

[0040] It should be noted that pulling the sliding box 106 drives the internal installation position and the installation position of the gear box 101 to be adjusted to prevent the connection position of the gear box 101 from being wrong when the gear box 101 is fixed in one position, so as to make adjustments and turn the bolt 806 to move the bolt 806 downward, squeezing the wedge block plate 807 to move downward, the wedge block plate 807 drives the sliding ring 808 to move downward, the sliding ring 808 squeezes the wedge plate 809 to move toward one end, the wedge plate 809 drives the slider 803 to move toward one end, so that the end of the slider 803 presses the gear box 101, thereby fixing the sliding box 106 and the second fixed plate 801.

[0041] Working principle: Slide the second fixing plate 801 to adjust the position of the fixing frame 805, pull the sliding box 106 to drive the internal installation position and the gear box 101 installation position to adjust, to prevent the gear box 101 from being connected to the wrong position when the gear box 101 is fixed in one position, and then adjust, turn the bolt 806 to make the bolt 806 move downward, squeeze the wedge block plate 807 to move downward, the wedge block plate 807 drives the sliding ring 808 to move downward, the sliding ring 808 squeezes the wedge plate 809 to move toward one end, the wedge plate 809 drives the slider 803 to move toward one end, so that the end of the slider 803 presses the gear box 101, thereby fixing the sliding box 106 and the second fixing plate 801, when the end of the slider 803 is pressed, continue to turn the bolt 806, so that the bolt 806 squeezes the wedge block plate 807 to tighten, thereby fixing the fixing frame 805;

[0042] Control the electric push rod 103, the electric push rod 103 pushes the square frame 104 downward, the square frame 104 drives the screw rod 605 in the No. 1 transmission component 6 and the No. 2 transmission component 7 to move downward, the screw rod 605 moves downward and drives the gear ring 602 to rotate through the rolling 603, the gear ring 602 rotates and drives the No. 1 fixed rod 3 and the No. 2 fixed rod 4 to move inward through the tooth groove 601, the No. 1 fixed rod 3 and the No. 2 fixed rod 4 drive the No. 1 ring 608 at the bottom to slide to one side and the No. 2 ring 609 to slide to the other side, drive the No. 2 clamping ring 606 to tighten, so that the No. 2 clamping groove 607 in the No. 2 clamping ring 606 is clamped with the No. 1 clamping groove 201, so that the No. 1 rotating shaft 2, the No. 2 rotating shaft 204, the No. 3 rotating shaft 206, and the No. 4 rotating shaft 208 stop rotating, to prevent the frame itself from moving forward when stopping, causing the gears of the gear transmission box to be damaged;

[0043] The electric push rod 103 is controlled to move completely upward, pushing the square frame 104 to move upward, and the square frame 104 pushes the cover plate 102 to move upward, so that the cover plate 102 leaves the gear box 101, and the inside of the gear box 101 is inspected and repaired.

[0044] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A gear transmission compact rack, comprising a base (1), characterized in that: A gear box (101) is arranged on the top of the base (1), a first fixing rod (3) and a second fixing rod (4) are arranged at the bottom and bottom of both ends of the gear box (101), and a first transmission assembly (6) and a second transmission assembly (7) are arranged at the ends of the first fixing rod (3) and the second fixing rod (4); The first transmission assembly (6) comprises a tooth groove (601), a tooth ring (602), a roller (603), a first fixing plate (604), a screw (605), a second retaining ring (606), a second retaining groove (607), a first circular ring (608), a second circular ring (609), and a spring (610); The second snap ring (606) is arranged at both ends of the gear box (101), and a second snap groove (607) is arranged inside the second snap ring (606). The top and bottom of the second snap ring (606) are fixed with a first circular ring (608) and a second circular ring (609). The inner wall of the gear ring (602) is provided with multiple groups of rollers (603), and the interior of the gear ring (602) is provided with a screw (605).

2. The gear transmission compact rack according to claim 1, characterized in that: The No. 2 snap ring (606) is configured to be divided into two halves, and springs (610) are provided at the positions of the two halves of the No. 2 snap ring (606). The bottom of the gear ring (602) is rotatably connected to the No. 1 fixing plate (604), and the ends of both sides of the No. 1 fixing rod (3) and the No. 2 fixing rod (4) are provided with tooth grooves (601). One end of the No. 1 fixing plate (604) is fixed to both sides of the two ends of the gear box (101), and the outer side of the gear box (101) is provided with a No. 1 sliding groove (105).

3. The gear transmission compact rack according to claim 2, characterized in that: The first fixing rod (3) and the second fixing rod (4) are arranged inside the first circular ring (608) and the second circular ring (609), the first fixing rod (3) is fixedly connected to the top first circular ring (608), the second fixing rod (4) is fixedly connected to the bottom second circular ring (609), the gear ring (602) is meshed with the tooth groove (601), and the first transmission assembly (6) and the second transmission assembly (7) have the same parts.

4. The gear transmission compact rack according to claim 1, characterized in that: Electric push rods (103) are arranged on both sides of the base (1), a cover plate (102) is arranged on the top of the gear box (101), a square frame (104) is arranged on the outer side of the bottom of the cover plate (102), the output end of the electric push rod (103) is fixedly connected to the bottom of the square frame (104), and the top of the screw rod (605) is fixedly connected to the bottom of both ends of the square frame (104).

5. The gear transmission compact rack according to claim 1, characterized in that: The gear box (101) is slidably connected to a sliding box (106) inside, a first rotating shaft (2) is provided at both ends of one side inside the sliding box (106), a first clamping groove (201) is provided at both ends of the outer side of the first rotating shaft (2), a first bevel gear (202) is fixed in the middle of the first rotating shaft (2), a third rotating shaft (206) is provided in the middle of the sliding box (106), a plurality of groups of second bevel gears (203) are fixed on the outer side of the third rotating shaft (206), and a third bevel gear (205) is fixed at the end of the second rotating shaft (204).

6. The gear transmission compact rack according to claim 5, characterized in that: A fourth rotating shaft (208) is arranged at one end of the other side of the interior of the sliding box (106), and a fourth bevel gear (207) is fixed on the outer side of the fourth rotating shaft (208), and the fourth bevel gear (207) is meshed with the second bevel gear (203) at the end of the third rotating shaft (206), the third bevel gear (205) is meshed with the second bevel gear (203) in the middle of the third rotating shaft (206), and the first bevel gear (202) is meshed with the second bevel gear (203) at the head end of the third rotating shaft (206).

7. The gear transmission compact rack according to claim 6, characterized in that: The outer sides of the first rotating shaft (2), the second rotating shaft (204), the third rotating shaft (206), and the fourth rotating shaft (208) are all provided with a first clamping groove (201), the outer side of the first clamping groove (201) is provided with a first clamping ring (5), one end of the first clamping ring (5) is provided with a bolt (501), and the second clamping ring (606) is provided on the outer side of the first clamping ring (5).

8. The gear transmission compact rack according to claim 5, characterized in that: The two ends of the outer side of the sliding box (106) are both provided with a second slide groove (8), the outer side of the sliding box (106) is both provided with a plurality of groups of round holes (804), the interior of the sliding box (106) is provided with a second fixing plate (801), both ends of the second fixing plate (801) are slidably connected with a slider (803), the end of the slider (803) is slidably connected with the second slide groove (8), the two ends of the top of the second slide groove (8) are both fixed with a fixing column (802), the fixing frame (805) is arranged on the third rotating shaft ( 206), bolts (806) are provided at both ends of the fixing frame (805), the interior of the bolt (806) is cylindrical, a wedge-shaped block plate (807) is provided at the bottom of the bolt (806), the wedge-shaped block plate (807) is provided on the outside of the fixing column (802), the bottom of the outside of the fixing column (802) is slidably connected to the sliding ring (808), the bottom of the sliding ring (808) is provided with a wedge-shaped plate (809), and the end of the wedge-shaped plate (809) is fixedly connected to the slider (803).

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