Pressing device

By designing a clamping device and utilizing the cooperation of pressure rollers and traveling wheels, the problem of low installation efficiency of sealing strips was solved, and efficient installation of sealing strips on the wear-resistant plate was achieved.

CN223917828UActive Publication Date: 2026-02-17CRRC YANGTZE CO LTD
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Patent Information

Application Number
CN202423009972.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2026-02-17
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The installation efficiency of sealing strips is low, and traditional tools are time-consuming and labor-intensive.

Method used

A pressing device is provided, including a support base, a pressure roller, and a traveling wheel. The pressure roller contacts a first object, and the traveling wheel contacts a second object. The traveling wheel rolls along the second object, causing the pressing device to move as a whole and gradually press the first object.

Benefits of technology

This improves the installation efficiency of sealing strips on abrasion-resistant plates and simplifies the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pressing device. The pressing device is used for pressing a first object on a second object. The pressing device comprises a supporting base, a pressing wheel and a walking wheel. The pressing wheel is installed on the supporting base and used for making contact with a first object. The walking wheel is installed on the supporting base and used for making contact with a second object, and the walking wheel and the pressing wheel are arranged in a spaced mode in the first direction. The pressing wheel is installed on the supporting seat and can rotate, the walking wheel is also installed on the supporting seat and can also rotate, and the rotating axis of the pressing wheel is parallel to the rotating axis of the walking wheel. When the pressing device is used, the pressing wheel makes contact with a first object, and the walking wheel makes contact with a second object. The walking wheel can roll along the second object, so that the whole pressing device can move along the second object, in this way, along with the movement of the pressing device, the pressing wheel moves along with the movement of the pressing device, the pressing wheel gradually presses all parts of the first object, the first object is gradually pressed on the second object, and the installation efficiency of the first object is improved.
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Description

Technical Field

[0001] This application belongs to the technical field of sealing strip clamping tools, and particularly relates to a clamping device. Background Technology

[0002] During the processing of refrigerated containers, sealing strips need to be embedded in the sealing strip mounting grooves of the abrasion-resistant plates.

[0003] In traditional methods, tools such as flat chisels are used to insert the sealing strips into the sealing strip installation grooves of the abrasion-resistant plate segment by segment, which is time-consuming, labor-intensive, and inefficient. Utility Model Content

[0004] This application aims to at least partially solve the technical problem of low installation efficiency of sealing strips in related technologies. To this end, this application provides a clamping device.

[0005] This application provides a pressing device for pressing a first object onto a second object, comprising:

[0006] Support base;

[0007] A pressure roller, mounted on the support base, is used to contact the first object;

[0008] The traveling wheel is installed on the support base and is used to contact the second object. Along the first direction, the traveling wheel and the pressure wheel are spaced apart.

[0009] In some embodiments, the support base includes:

[0010] A sliding member, wherein the pressure roller is mounted on the sliding member;

[0011] A sliding seat, the traveling wheel is mounted on the sliding seat, and the sliding member is slidably connected to the sliding seat along the first direction.

[0012] In some embodiments, the slide seat includes:

[0013] A guide slide, wherein the sliding element is slidably connected to the guide slide;

[0014] The support member is set at an angle to the guide member, and the guide member is fixedly connected to the middle of the support member. The pressing device includes two wheels, which are respectively installed at both ends of the support member.

[0015] In some embodiments, the support member is arranged perpendicularly to the guide member; the pressure roller is mounted on the end of the sliding member away from the guide member.

[0016] In some embodiments, the support base further includes an adjusting member, which is rotatably connected to the sliding base and threadedly connected to the sliding member.

[0017] In some embodiments, the adjusting member includes:

[0018] A lead screw is arranged along the first direction, rotatably connected to the support member, and threadedly connected to the sliding member;

[0019] Rotate the handle to fix it to the end of the lead screw away from the sliding member.

[0020] In some embodiments, the end of the sliding seat near the sliding member is sleeved outside the sliding member, and the end of the lead screw away from the rotating handle extends into the sliding seat and is threadedly connected to the sliding member; the rotating handle is located outside the sliding seat.

[0021] In some embodiments, the clamping device further includes a handrail mounted on the support base and positioned on the side away from the pressure roller.

[0022] In some embodiments, the pressure roller, the traveling wheel, and the handrail are located on the same side of the support base.

[0023] In some embodiments, the pressure roller includes:

[0024] The pressure roller shaft is fixedly connected to the support base;

[0025] The pressure roller body is rotatably connected to the pressure roller shaft and is used to contact the first object;

[0026] The traveling wheels include:

[0027] The walking wheel axle is fixedly connected to the support base;

[0028] The walking wheel is rotatably connected to the walking wheel and is used to contact the second object.

[0029] This utility model has at least the following beneficial effects:

[0030] When using the clamping device, the pressure roller contacts the first object, and the traveling wheel contacts the second object. The traveling wheel can roll along the second object, allowing the entire clamping device to move along it. As the clamping device moves, the pressure roller also moves, gradually pressing down on various parts of the first object and ultimately onto the second object, improving the installation efficiency of the first object. The first object can be a sealing strip, and the second object can be a wear-resistant plate; therefore, this solution can improve the efficiency of installing the sealing strip onto the wear-resistant plate. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 A front view of the clamping device in one or more embodiments of this application is shown.

[0033] Figure 2 A top view of the clamping device in one or more embodiments of this application is shown.

[0034] Figure 3 This illustration shows a structural diagram of the clamping device in one or more embodiments of this application when it is used in conjunction with a first object and a second object.

[0035] Reference numerals: 100-Pressure device, 110-Support base, 111-Sliding element, 112-Sliding seat, 1121-Guide element, 1122-Support element, 113-Adjusting element, 1131-Screw rod, 1132-Rotating handle, 120-Pressure roller, 121-Pressure roller shaft, 122-Pressure roller body, 122a-First wheel surface, 130-Walking wheel, 131-Walking wheel shaft, 132-Walking wheel body, 132a-Second wheel surface, 140-Handrail, 200-First object, 300-Second object, 300a-Sealing strip mounting groove, 300b-Edge. Detailed Implementation

[0036] 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.

[0037] It should be noted that all directional indications in the embodiments of this utility model are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indication will also change accordingly. In this utility model, unless otherwise explicitly specified and limited, the terms "connection" and "fixed" should be interpreted broadly. For example, "fixed" can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction relationship between two components, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. In addition, the descriptions involving "first," "second," etc., in this utility model are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0038] In related technologies, sealing strips suffer from low installation efficiency. This application provides a clamping device that can at least partially solve the problem of low installation efficiency for sealing strips.

[0039] This application is described below with reference to the accompanying drawings and specific embodiments:

[0040] like Figure 1 , Figure 2 and Figure 3 As shown, the pressing device 100 is used to press the first object 200 onto the second object 300. The pressing device 100 includes a support base 110, a pressure roller 120, and a traveling wheel 130. The pressure roller 120 is mounted on the support base 110 and is used to contact the first object 200; the traveling wheel 130 is mounted on the support base 110 and is used to contact the second object 300. Along a first direction, the traveling wheel 130 and the pressure roller 120 are spaced apart.

[0041] When the clamping device 100 is used to embed the sealing strip into the mounting groove of the abrasion-resistant liner, the first object 200 is the sealing strip, and the second object 300 is the abrasion-resistant liner. It should be noted that the clamping device 100 can be used not only to embed the sealing strip into the mounting groove of the abrasion-resistant liner, but also to clamp other objects, such as pressing the sealing strip into a door frame or pressing a foam filling rod into a window frame. Therefore, the specific types of the first object 200 and the second object 300 are not limited in this application.

[0042] The pressure roller 120 is mounted on the support base 110 and can rotate. The traveling wheel 130 is also mounted on the support base 110 and can rotate. The rotation axes of the pressure roller 120 and the traveling wheel 130 are parallel. When using the clamping device 100, the pressure roller 120 contacts the first object 200, and the traveling wheel 130 contacts the second object 300. The traveling wheel 130 can roll along the second object 300, allowing the entire clamping device 100 to move along the second object 300. As the clamping device 100 moves, the pressure roller 120 also moves, gradually pressing the first object 200 against the second object 300, thus improving the installation efficiency of the first object 200.

[0043] like Figure 3 As shown, in some embodiments, the first object 200 is a sealing strip, and the second object 300 is an anti-wear plate of a refrigerated container. The anti-wear plate has a sealing strip mounting groove 300a and an edge 300b, which are arranged in parallel. The pressure roller 120 presses on the sealing strip, and the traveling wheel 130 presses on the edge 300b. Under the operation of the operator, the traveling wheel 130 rolls along the edge 300b, and the pressure roller 120 rolls along the sealing strip, gradually pressing the sealing strip into all parts of the sealing strip, thereby improving the installation efficiency of the sealing strip. For the sake of convenience in introducing this application, the pressing device 100 is described below with the first object 200 being a sealing strip and the second object 300 being an anti-wear plate as an example.

[0044] In some embodiments, the pressure roller 120 includes a pressure roller shaft 121 and a pressure roller body 122. The pressure roller shaft 121 is fixedly connected to the support base 110; the pressure roller body 122 is rotatably connected to the pressure roller shaft 121 and is used to contact the first object 200.

[0045] The pressure roller body 122 is rotatably connected to the pressure roller shaft 121. When the pressing device 100 is in use, the pressure roller body 122 contacts the first object 200, and the pressure roller body 122 rotates around the pressure roller shaft 121. The pressure roller body 122 and the pressure roller shaft 121 can be rotatably connected by bearings. Alternatively, the pressure roller body 122 can be directly sleeved on the outside of the pressure roller shaft 121 and rotatably connected with the pressure roller shaft 121 by clearance fit. This application does not limit the specific connection.

[0046] In some embodiments, the walking wheel 130 includes a walking wheel axle 131 and a walking wheel body 132. The walking wheel axle 131 is fixedly connected to the support base 110. The walking wheel body 132 is rotatably connected to the walking wheel body 132 for contacting the second object 300.

[0047] The traveling wheel 132 is rotatably connected to the traveling wheel axle 131. When the clamping device 100 is in use, the traveling wheel 132 contacts the first object 200, and the traveling wheel 132 rotates around the traveling wheel axle 131. The traveling wheel 132 and the traveling wheel axle 131 can be rotatably connected by bearings, or the traveling wheel axle 131 can be rotatably connected by directly sleeved on the outside of the traveling wheel axle 131 and with a clearance fit. This application does not limit the scope of the application.

[0048] It should be noted that the traveling wheel axle 131 and the pressure wheel axle 121 are arranged in parallel.

[0049] The structure of the pressure roller 122 and the traveling wheel 132 is not limited in this application.

[0050] In some embodiments, the first wheel surface 122a of the pressure roller body 122 is concave and recessed towards the pressure roller shaft 121. With this design, part of the first object 200 can be located in the groove formed by the first wheel surface 122a. The pressure roller 120 can be guided by the groove and the first object 200, ensuring that the pressure roller body 122 rolls along the length of the first object 200 and that the pressure roller 120 is always in contact with the first object 200.

[0051] In some embodiments, the second wheel surface 132a of the walking wheel 132 is also concave and recessed towards the walking wheel axle 131. With this design, the edge 300b of the second object 300 can be located in the groove formed by the second wheel surface 132a. The walking wheel 130 can be guided by the groove cooperating with the edge 300b of the second object 300, ensuring that the walking wheel 132 rolls along the extension direction of the edge 300b of the second object 300, and ensuring that the walking wheel 132 is always in contact with the edge 300b of the second object 300.

[0052] In some embodiments, the support base 110 includes a slider 111 and a sliding seat 112; a pressure roller 120 is mounted on the slider 111; a traveling wheel 130 is mounted on the sliding seat 112, and the slider 111 is slidably connected to the sliding seat 112 along a first direction.

[0053] The pressure roller 120 is mounted on the sliding member 111, and the traveling wheel 130 is mounted on the sliding seat 112. The sliding member 111 and the sliding seat 112 are slidably connected along the first direction. Therefore, the distance between the traveling wheel 130 and the pressure roller 120 in the first direction can be adjusted. With this design, the distance between the traveling wheel 130 and the pressure roller 120 can be adjusted according to the distance between the mounting groove 300a and the edge 300b in the first direction, enabling the clamping device 100 to be used in various working conditions, improving the applicability of the clamping device 100, and making the clamping device 100 easier to use. It should be noted that the pressure roller shaft 121 of the pressure roller 120 is fixedly connected to the sliding member 111, and the traveling wheel shaft 131 of the traveling wheel 130 is fixedly connected to the sliding seat 112.

[0054] In some embodiments, the sliding seat 112 includes a guide 1121 and a support 1122. The sliding member 111 is slidably connected to the guide 1121. The support 1122 is set at an angle to the guide 1121, and the guide 1121 is fixedly connected to the middle of the support 1122. The pressing device 100 includes two wheels 130, which are respectively installed at both ends of the support 1122.

[0055] Specifically, along the first direction, one end of the guide slide 1121 is slidably connected to the slide 111, and the other end is fixedly connected to the middle of the support 1122. The support 1122 and the guide slide 1121 are set at an angle, which can be a right angle, an obtuse angle, or an acute angle, and are not limited in this application. Two wheels 130 are respectively installed at both ends of the support 1122. Specifically, the wheel axle 131 of the wheels 130 is fixedly connected to the support 1122. The sliding seat 112 is divided into two parts: the guide slide 1121 and the support 1122. The guide slide 1121 and the slide 111 are slidably connected, and the support 1122 is connected to the wheels 130. With this design, the guide slide 1121 and the support 1122 perform different functions. The guide slide 1121 and the support 1122 can be processed separately and then fixedly connected together to form the sliding seat 112, which facilitates the processing of the sliding seat 112. The support member 1122 and the guide member 1121 are set at an angle, and two traveling wheels 130 are set at both ends of the support member 1122. Both traveling wheels 130 are in contact with the edge 300b of the second object 300, which helps to improve the stability of the pressing device 100 during movement.

[0056] In some embodiments, the support member 1122 is arranged perpendicularly to the guide member 1121; the pressure roller 120 is installed at the end of the slider 111 away from the guide member 1121.

[0057] The support member 1122 and the guide member 1121 are arranged vertically, so that the sliding seat 112 is in the shape of "T".

[0058] In some embodiments, the walking wheel axle 131 and the pressure wheel axle 121 are both parallel to a third direction, and the support member 1122 is arranged along a second direction. The first direction, the second direction and the third direction are perpendicular to each other.

[0059] In some embodiments, both the support member 1122 and the guide member 1121 are columnar, with the length direction of the guide member 1121 parallel to the first direction and the length direction of the support member 1122 parallel to the second direction.

[0060] In some embodiments, the support 110 further includes an adjusting member 113, which is rotatably connected to the sliding seat 112 and threadedly connected to the sliding member 111.

[0061] The adjusting member 113 is provided with an external thread or an internal thread extending in the first direction. If the adjusting member 113 is provided with an external thread, then the sliding member 111 is provided with an internal thread; conversely, if the adjusting member 113 is provided with an internal thread, then the sliding member 111 is provided with an external thread. The adjusting member 113 and the sliding member 111 are threadedly connected by the engagement of the internal and external threads. The adjusting member 113 is rotatably connected to the sliding seat 112. It should be noted that the relative positions of the adjusting member 113 and the sliding seat 112 in the first direction are fixed. That is, when the adjusting member 113 is rotated, the adjusting member 113 only rotates relative to the sliding seat 112 and does not move relative to the sliding seat 112 in the first direction. With this design, since the sliding member 111 and the guide member 1121 are slidably connected along the first direction, rotating the adjusting member 113 can drive the sliding member 111 to slide along the first direction, thereby adjusting the relative position of the sliding member 111 and the guide member 1121, changing the distance between the pressure roller 120 and the traveling wheel 130 in the first direction, which facilitates the adjustment of the distance between the pressure roller 120 and the traveling wheel 130 in the first direction, and makes it easier for the user to use the pressing device 100.

[0062] In some embodiments, the adjusting member 113 includes a lead screw 1131 and a rotating handle 1132. The lead screw 1131 is arranged along a first direction, rotatably connected to the support member 1122, and threadedly connected to the sliding member 111. The rotating handle 1132 is fixedly connected to the end of the lead screw 1131 away from the sliding member 111.

[0063] The lead screw 1131 has an external thread extending in a first direction, and the sliding member 111 has an internal thread extending in the first direction. One end of the lead screw 1131 with the external thread is threaded into the sliding member 111, and the other end of the lead screw 1131 is fixedly connected to the rotating handle 1132. With this design, the user can rotate the lead screw 1131 by holding the rotating handle 1132 and rotating the rotating handle 1132, which is convenient for use.

[0064] The structure of the rotating handle 1132 is varied. In some embodiments, the rotating handle 1132 is a rod, and the rotating handle 1132 is perpendicular to the lead screw 1131. The middle part of the rotating handle 1132 is fixedly connected to the lead screw 1131, and the rotating handle 1132 and the lead screw 1131 form a "T" shaped structure.

[0065] In some embodiments, the end of the sliding seat 112 near the sliding member 111 is sleeved outside the sliding member 111, the end of the lead screw 1131 away from the rotating handle 1132 extends into the sliding seat 112 and is threadedly connected to the sliding member 111, and the rotating handle 1132 is located outside the sliding seat 112.

[0066] like Figure 2 As shown, the right end of the slider 111 is located inside the slider seat 112, and the slider 111 and the slider seat 112 are clearance-fitted, allowing the slider 111 and the slider seat 112 to be slidably connected in the first direction. The left end of the lead screw 1131 extends into the slider seat 112 and into the right end of the slider 111, and is threadedly connected to the slider 111. The rotating handle 1132 is located at the right end of the lead screw 1131, outside the slider seat 112. With this design, a portion of the slider 111 is hidden inside the slider seat 112, and a portion of the lead screw 1131 is hidden inside both the slider seat 112 and the slider 111, which helps improve the aesthetics of the pressing device 100 and helps reduce the size of the pressing device 100.

[0067] In some embodiments, the pressing device 100 further includes a handrail 140, which is mounted on the support base 110 and located on the side of the support base 110 away from the pressure roller 120.

[0068] With this design, the user can hold the handrail 140 and apply force to the handrail 140, causing the clamping device 100 to move, which facilitates the use of the clamping device 100.

[0069] like Figure 1 As shown, in some embodiments, the pressure wheel 120, the travel wheel 130, and the handrail 140 are located on the same side of the support base 110.

[0070] like Figure 1As shown, along the third direction, the pressure roller 120, the traveling wheel 130, and the handrail 140 are all located on the upper side of the support base 110. With this design, the pressure roller 120, the traveling wheel 130, and the handrail 140 are all located on the upper side of the support base 110, and no other components are set on the lower side of the support base 110. The lower end surface of the support base 110 can be supported on the ground, which facilitates the placement of the pressing device 100.

[0071] In some embodiments, the handrail 140 is columnar and fixedly mounted on the support member 1122. In some embodiments, two handrails 140 are provided, respectively located at both ends of the support member 1122, and positioned between the two wheels 130. In some embodiments, the handrail 140 is cylindrical, with its axis parallel to the axis of the wheel 130. In some embodiments, the handrail 140 is higher than the wheel 130.

[0072] The working principle of the pressing device 100 of this application is described below: Hold the rotating handle 1132 and rotate the rotating handle 1132 so that the distance between the pressure roller 120 and the traveling wheel 130 in the first direction meets the requirements. Then, hold the two handrails 140 with both hands respectively and move the pressing device 100 so that the traveling wheel 130 presses on the edge 300b and the pressure roller 120 presses on the sealing strip. Apply force to the handrail 140 along the length direction of the edge 300b and press the handrail 140 towards the sealing strip. This causes the pressing device 100 to move along the edge 300b and the pressure roller 120 to press the sealing strip into the sealing strip mounting groove 300a.

[0073] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0074] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0075] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A compression device, characterized in that A pressing device (100) for pressing a first object (200) against a second object (300), comprising: a support base (110); a pressing wheel (120) mounted on the support base (110) for contacting the first object (200); a walking wheel (130) mounted on the support base (110) for contacting the second object (300), the walking wheel (130) being spaced apart from the pressing wheel (120) along a first direction.

2. A compression device according to claim 1, characterised in that The support base (110) comprises: a sliding member (111), the pressing wheel (120) being mounted on the sliding member (111); a sliding base (112), the walking wheel (130) being mounted on the sliding base (112), the sliding member (111) being slidingly connected to the sliding base (112) along the first direction.

3. A compression device according to claim 2, wherein, The sliding base (112) comprises: a guide sliding member (1121), the sliding member (111) being slidingly connected to the guide sliding member (1121); a support member (1122) being arranged at an angle with the guide sliding member (1121), and the guide sliding member (1121) being fixedly connected to a middle portion of the support member (1122), the pressing device (100) comprising two walking wheels (130), the two walking wheels (130) being respectively mounted on two ends of the support member (1122).

4. A compression device according to claim 3, wherein The support member (1122) is arranged perpendicularly to the guide sliding member (1121); the pressing wheel (120) is mounted on an end of the sliding member (111) away from the guide sliding member (1121).

5. The compression device of claim 3, wherein, The support base (110) further comprises an adjusting member (113), the adjusting member (113) being rotationally connected to the sliding base (112) and being threadedly connected with the sliding member (111).

6. A compression device according to claim 5, wherein The adjusting member (113) comprises: a lead screw (1131) being arranged along the first direction, rotationally connected to the support member (1122) and threadedly connected with the sliding member (111); a rotating handle (1132) being fixedly connected to an end of the lead screw (1131) away from the sliding member (111).

7. A compression device according to claim 6, wherein An end of the sliding base (112) close to the sliding member (111) is sleeved on the outside of the sliding member (111), an end of the lead screw (1131) away from the rotating handle (1132) is inserted into the sliding base (112) and is threadedly connected with the sliding member (111); the rotating handle (1132) is located outside the sliding base (112).

8. A compression device according to any one of claims 1-7, characterized in that The pressing device (100) further comprises a handrail (140), the handrail (140) being mounted on the support base (110) and being arranged on a side of the support base (110) away from the pressing wheel (120).

9. A compression device according to claim 8, wherein, The pressing wheel (120), the walking wheel (130) and the handrail (140) are located on the same side of the support base (110).

10. The pressing device according to any one of claims 1-7, wherein: the pressing wheel (120) comprises: a pressing wheel shaft (121) being fixedly connected to the support base (110); A pressing wheel body (122) is rotatably connected to the pressing wheel shaft (121) and used to contact the first object (200); The walking wheel (130) comprises: A walking wheel shaft (131) is fixedly connected to the support seat (110); A walking wheel body (132) is rotatably connected to the walking wheel body (132) and used to contact the second object (300).