Transmission trolley

Abstract

The utility model discloses a transmission trolley which comprises an embedded pipe, a front support and a rear support, two steel channels are fixedly connected between the front support and the rear support, the upper surface of each steel channel is fixedly connected with a guide rail, a trolley is installed on the two guide rails, the trolley comprises a shell with two open ends, a transverse shaft is fixedly connected between the upper ends of the inner walls of the shell, and the transverse shaft is fixedly connected with the front support and the rear support. One end of the transverse shaft is fixedly sleeved with a first walking wheel capable of walking along one guide rail, and the other end of the transverse shaft is slidably sleeved with a second walking wheel capable of walking along the other guide rail. An air cylinder is fixedly installed on the inner side of one steel channel and used for driving the two guide rails of the trolley to walk. The transmission trolley can adapt to the change of the distance between the guide rails, the stability of the transmission trolley in the walking process is guaranteed, and therefore the exploring tube used for gas taking can be smoothly and continuously fed into and moved out of a kiln.

Description

Technical Field

[0001] This utility model relates to the technical field of kiln supporting equipment, specifically a transmission trolley. Background Technology

[0002] When a kiln is calcining, it needs to inject coal and air (O2) into the furnace. Because the inside of the kiln is a high-temperature (900℃-1600℃) and high-dust environment, and judging the combustion state inside the kiln by visual observation from the outside is very inaccurate, it is necessary to collect the gas inside the kiln and analyze its composition (O2, CO, SO2, NOx, etc.) in order to scientifically, effectively and accurately analyze the combustion state inside the kiln. This allows for the control of the amount of coal and air (O2) injected, maintaining their ratio within a reasonable range, thereby enabling the kiln to achieve a more ideal combustion state. This ensures both the calcination efficiency of the kiln and the energy-saving and emission-reduction effects of the kiln.

[0003] Typically, a pre-embedded pipe is installed on the kiln wall. A probe for gas extraction can then enter the kiln through this pipe. The tool used to move the probe in and out of the kiln is the drive trolley. In existing technology, a support frame is usually installed outside the kiln, with two guide rails mounted on it. The drive trolley travels along these guide rails via wheels. However, because the two guide rails are not perfectly parallel during actual installation, the distance between them often varies by a few millimeters. This negatively impacts the stability of the drive trolley during movement and may even pose a risk of derailment. Utility Model Content

[0004] The purpose of this invention is to overcome the defects and deficiencies of the existing technology and provide a transmission trolley that can adapt to changes in the spacing between the guide rails to ensure the stability of the transmission trolley during travel and to smoothly and continuously send the gas sampling probe into and out of the kiln.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A transmission trolley includes a pre-embedded pipe fixed to the kiln wall and extending into the kiln chamber, a front support fixed to the rear end of the pre-embedded pipe, and a rear support fixed to the ground behind the pre-embedded pipe. Two channel steels are fixedly connected between the front and rear supports. Each channel steel has a guide rail extending along its length fixedly connected to its upper surface. The trolley is characterized by having a trolley mounted on the two guide rails. The trolley includes a shell with open ends. A horizontal shaft is fixedly connected between the upper ends of the inner walls of the shell. A first traveling wheel for traveling along one of the guide rails is fixedly fitted at one end of the horizontal shaft, and a second traveling wheel for traveling along the other guide rail is slidably fitted at the other end of the horizontal shaft. A cylinder is fixedly installed on the inner side of one channel steel for driving the trolley to travel along the two guide rails.

[0007] Furthermore, both ends of the horizontal shaft are provided with annular grooves. The first traveling wheel is fitted onto the outer circular surface of the annular groove at one end through a first bearing. The two sides of the first bearing respectively abut against the inner walls of the two sides of the annular groove. The second traveling wheel is fitted onto the outer circular surface of the annular groove at the other end through a second bearing. The inner ring of the second bearing slides with the outer circular surface of the annular groove, and there is a gap between the two sides of the second bearing and the inner walls of the two sides of the annular groove.

[0008] Furthermore, a U-shaped connecting plate is fixedly connected to the rear end of the housing.

[0009] Furthermore, the cylinder is fixedly installed on the inner wall of the front end of a channel steel via a connecting block, and the piston rod of the cylinder extends backward, passes through the housing, and is fixedly connected to the Z-shaped connecting plate.

[0010] Furthermore, the bottom of both sides of the housing is provided with through holes, and a crossbar is inserted into the through holes. An auxiliary traveling wheel is rotatably installed at the eccentric position of one end of the crossbar. The outer circular surfaces of the auxiliary traveling wheels on both sides respectively abut against the lower surfaces of the two channel steels. The other end of the crossbar is fixed to the bottom of the housing by a locking block.

[0011] Furthermore, the locking block includes a C-shaped block fixedly installed on the bottom outer wall of the housing. Both ends of the C-shaped block are provided with through holes that pass through each other. A bolt passes through the through hole from one side and extends out. A nut is screwed onto the bolt. Tightening the nut tightens the C-shaped block and holds the crossbar.

[0012] Furthermore, an extension plate is fixedly connected to the lower surface of the shell, and a semi-circular groove is provided along the lower edge of the extension plate. A C-shaped clamp that mates with the semi-circular groove is detachably connected to the lower end of the extension plate for holding the probe that can be inserted into the kiln.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The pair of traveling wheels used in this invention are respectively fixedly mounted and slidably mounted on the horizontal axis inside the outer shell. During the movement, one traveling wheel remains fixed on the horizontal axis, while the other traveling wheel can adaptively move laterally on the horizontal axis according to the change in the distance between the guide rails (with an error of a few millimeters), ensuring the stability of the transmission trolley during the movement, thereby enabling the probe used for gas sampling to be smoothly and continuously sent into and out of the kiln. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model when it is moving forward.

[0016] Figure 2 This is a schematic diagram of the structure of this utility model when it is retracting.

[0017] Figure 3 This is a side view of the structure of the traveling trolley in this utility model.

[0018] Figure 4 for Figure 3 A partial structural diagram.

[0019] Figure 5 This is a schematic diagram of the crossbar and auxiliary walking wheels in this utility model.

[0020] Figure 6 This is a schematic diagram of the locking block in this utility model. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] See Figure 1-6A transmission trolley includes a pre-embedded pipe 2 fixed to the kiln wall 1 and extending into the kiln chamber, a front support 3 fixed to the rear end of the pre-embedded pipe 2, and a rear support 4 fixed to the ground behind the pre-embedded pipe 2. Two channel steels 5 are fixedly connected between the front support 3 and the rear support 4. Each channel steel 5 has a guide rail 6 or 7 fixedly connected to its upper surface along its length. A trolley that can travel along the two guide rails 6 or 7 is installed on the two guide rails. The trolley includes a shell 8 with open ends. A horizontal shaft 9 is fixedly connected between the upper ends of the inner walls of the shell 8. A first traveling wheel 10 that can travel along one guide rail 6 is fixedly fitted at one end of the horizontal shaft 9. A second traveling wheel 11 that can travel along the other guide rail 7 is slidably fitted at the other end of the horizontal shaft 9. A cylinder 12 is fixedly installed on the inner side of one channel steel 5 for driving the trolley to travel along the two guide rails 6 or 7.

[0023] In this invention, both ends of the horizontal shaft 9 are provided with annular grooves 13 and 14. The first traveling wheel 10 is fitted onto the outer surface of the annular groove 13 at one end through a first bearing 15. The two sides of the first bearing 15 respectively abut against the inner walls of the two sides of the annular groove 13, thereby fixing the first traveling wheel 10 onto one end of the horizontal shaft 9. The second traveling wheel 11 is fitted onto the outer surface of the annular groove 14 at the other end through a second bearing 16. The inner ring of the second bearing 16 slides with the outer surface of the annular groove 14, and there is a gap between the two sides of the second bearing 16 and the inner walls of the two sides of the annular groove 14, thereby slidingly fitting the second traveling wheel 11 onto the other end of the horizontal shaft 9.

[0024] In this utility model, a U-shaped connecting plate 17 is fixedly connected to the rear end of the shell 8.

[0025] In this utility model, the cylinder 12 is fixedly installed on the inner wall of the front end of a channel steel 5 through the connecting block 18. The piston rod of the cylinder 12 extends backward, passes through the housing 8 and is fixedly connected to the Z-shaped connecting plate 17, thereby realizing the connection between the cylinder 12 and the housing 8. The extension and retraction of the piston rod of the cylinder 12 is used to drive the two guide rails 6 and 7 of the trolley to move.

[0026] In this utility model, the bottom of both sides of the housing 8 is provided with through holes, and a horizontal column 19 is inserted into the through holes. An auxiliary traveling wheel 20 is rotatably installed at the eccentric position of one end of the horizontal column 19. The outer circular surfaces of the auxiliary traveling wheels 20 on both sides respectively abut against the lower surfaces of the two channel steels 5. The other end of the horizontal column 19 is fixed to the bottom of the housing 8 by a locking block.

[0027] Therefore, by setting auxiliary walking wheels 20, the trolley can travel along the lower surface of the two channel steels 5, thereby further improving the stability of the trolley during the walking process.

[0028] In this utility model, the locking block includes a C-shaped block 21 fixedly installed on the bottom outer wall of the housing 8. Both ends of the C-shaped block 21 are provided with through holes that are interconnected. A bolt 22 passes through the through hole from one side and extends out. A nut 23 is screwed onto the bolt 22.

[0029] Therefore, by tightening the nut 23, the C-shaped block 21 can be tightened, thereby gripping the horizontal column 19.

[0030] By loosening the nut 23, the C-shaped block 21 can be opened, releasing the clamping of the cross column 19. At this time, by rotating the cross column 19, the position of the auxiliary traveling wheel 20 can be adjusted up and down so that its outer surface is in contact with the lower surface of the corresponding channel steel 5, thereby adapting to channel steel 5 of different thicknesses.

[0031] In this utility model, an extension plate 24 is fixedly connected to the lower surface of the shell 8. The lower edge of the extension plate 24 is provided with a semi-circular groove 25. The lower end of the extension plate 14 is detachably connected with a C-shaped clamp 26 that cooperates with the semi-circular groove 25, so as to tighten the probe 27 used for gas sampling, so that it can be sent into and removed from the kiln by the trolley through the pre-embedded pipe 2.

[0032] The present invention will be further described below with reference to the accompanying drawings:

[0033] Before use, loosen the nut 23 and open the C-shaped block 21 according to the channel steel 5 of different thicknesses to release the clamping of the cross column 19. At this time, by rotating the cross column 19, adjust the position of the auxiliary traveling wheel 20 up and down so that its outer circle surface is in contact with the lower surface of the corresponding channel steel 5.

[0034] Then, tighten the nut 23 to tighten the C-block 21, thereby gripping the crossbar 19.

[0035] When the probe 27 needs to be sent into the kiln, the piston rod of the cylinder 12 retracts, pulling the housing 8 through the Z-shaped connecting plate 17, so that the trolley moves forward along the two guide rails 6 and 7, sending the probe 27 into the kiln through the pre-embedded pipe 2.

[0036] When the probe 27 needs to be removed from the kiln, the piston rod of the cylinder 12 extends and pushes the housing 8 through the Z-shaped connecting plate 17, causing the trolley to move backward along the two guide rails 6 and 7, and remove the probe 27 from the kiln through the pre-embedded pipe 2.

[0037] During the movement, the first traveling wheel 10 remains fixed on the horizontal axis 9, while the second traveling wheel 11 can move laterally on the horizontal axis 9 as the distance between the guide rails changes (with an error of a few millimeters). This ensures the stability of the trolley during movement, thus enabling the probe 27 to be smoothly and continuously fed into and removed from the kiln.

[0038] Meanwhile, the two auxiliary walking wheels 20 travel along the lower surface of the two channel steels 5, which can further improve the stability of the trolley during the walking process.

[0039] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0040] Therefore, the above are merely preferred embodiments of this application and are not intended to limit the scope of this application; that is, all equivalent modifications made in accordance with the claims of this application are within the scope of protection of the claims of this application.

Claims

1. A transmission trolley, comprising an embedded pipe fixed to the kiln wall and extending into the kiln chamber, a front support fixed to the rear end of the embedded pipe, and a rear support fixed to the ground behind the embedded pipe, wherein two channel steels are fixedly connected between the front support and the rear support, and a guide rail extending along its length is fixedly connected to the upper surface of each channel steel, characterized in that: A trolley is mounted on the two guide rails and can travel along them. The trolley includes a housing with open ends. A horizontal shaft is fixedly connected between the upper ends of the inner walls of the housing. A first traveling wheel that can travel along one of the guide rails is fixedly fitted on one end of the horizontal shaft, and a second traveling wheel that can travel along the other guide rail is slidably fitted on the other end of the horizontal shaft. A cylinder is fixedly installed on the inner side of a channel steel for driving the trolley to travel along the two guide rails.

2. The transmission trolley according to claim 1, characterized in that: Both ends of the horizontal shaft are provided with annular grooves. The first traveling wheel is fitted onto the outer circular surface of the annular groove at one end through a first bearing. The two sides of the first bearing respectively abut against the inner walls of the two sides of the annular groove. The second traveling wheel is fitted onto the outer circular surface of the annular groove at the other end through a second bearing. The inner ring of the second bearing slides with the outer circular surface of the annular groove, and there is a gap between the two sides of the second bearing and the inner walls of the two sides of the annular groove.

3. The transmission trolley according to claim 1, characterized in that: The rear end of the housing is fixedly connected to a Z-shaped connecting plate.

4. A transmission trolley according to claim 3, characterized in that: The cylinder is fixedly installed on the inner wall of the front end of a channel steel via a connecting block. The piston rod of the cylinder extends backward, passes through the housing, and is fixedly connected to the Z-shaped connecting plate.

5. A transmission trolley according to claim 1, characterized in that: Both sides of the bottom of the housing are provided with through holes, and a cross column is inserted into the through holes. An auxiliary traveling wheel is rotatably installed at the eccentric position of one end of the cross column. The outer circular surfaces of the auxiliary traveling wheels on both sides respectively abut against the lower surfaces of the two channel steels. The other end of the cross column is fixed to the bottom of the housing by a locking block.

6. A transmission trolley according to claim 5, characterized in that: The locking block includes a C-shaped block fixedly installed on the bottom outer wall of the housing. Both ends of the C-shaped block are provided with through holes. A bolt passes through the through hole from one side and extends out. A nut is screwed onto the bolt. Tightening the nut tightens the C-shaped block and holds the crossbar.

7. A transmission trolley according to claim 1, characterized in that: An extension plate is fixedly connected to the lower surface of the shell. The lower edge of the extension plate is provided with a semi-circular groove. The lower end of the extension plate is detachably connected to a C-shaped clamp that matches the semi-circular groove, which is used to hold the probe that can be inserted into the kiln.

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