Inspection tent lifting frame

Abstract

The invention discloses an inspection tent lifting frame which comprises at least one lifting assembly, the lifting assembly comprises at least two lifting rods arranged in parallel, and folding tent body mounting rods are mounted on sliding blocks of the at least two lifting rods. At least one folding tent body folding state mounting station and at least one folding tent body unfolding state mounting station are arranged on the folding tent body mounting rod, and a plurality of clamping assemblies are arranged on each folding tent body folding state mounting station and each folding tent body unfolding state mounting station; compared with the prior art, the device has the following beneficial effects that automatic assembly is adopted, the folding tent body can be tested, for example, the lifting installation speed of the folding tent body during lifting installation can be tested, automatic reciprocating motion can be achieved during lifting, each test can be repeated and continuously conducted, and the test efficiency is improved. And two stations are respectively arranged on the folding tent body mounting rod, and a control group is arranged, so that folding tent bodies in two different states can be tested at the same time.

Description

Technical Field

[0001] The invention belongs to the field of automatic control equipment, and in particular relates to a canopy inspection lifting frame. Background Art

[0002] A tent is a shed propped up on the ground to provide shelter from wind, rain and sunlight and for temporary living. It is mostly made of canvas and can be removed and moved at any time together with the supporting materials. The tent is carried in parts and assembled after arriving at the site. Therefore, there are many types of folding tents, most of which are two hinged folding arms forming a folding support frame and a canvas tent surface. This folding arm with a tent forms a folding tent body. Generally, when it is used and installed, it needs to be lifted and installed. Then, it is necessary to perform parameter tests on the up and down lifting and lowering movements of the folding tent body in the unfolded state and the folded state, such as life, fatigue, wind resistance, etc. Most of them are tested manually, but the bending test strength and lifting speed of each manual test are different, and it is difficult to reach the same standard, which leads to low measurement accuracy.

[0003] In view of the technical problem that the existing testing device for the folding tent body does not have an automated process, the present invention aims to obtain a tent testing lifting frame that can automatically perform the test. Summary of the invention

[0004] In order to solve at least one of the above technical problems, the present invention provides a tent inspection lifting frame, comprising at least one lifting assembly, the lifting assembly comprising at least two lifting rods arranged in parallel, at least two of the lifting rods having sliders mounted with folding tent body mounting rods, the folding tent body mounting rods being provided with at least one folding tent body mounting station and at least one folding tent body mounting station, each of the folding tent body mounting station and the folding tent body mounting station being provided with a plurality of clamping assemblies;

[0005] The clamping assembly includes at least one first clamping member, on which a first clamping groove and a second clamping groove are formed. The first clamping groove and the second clamping groove are offset and open toward each other so that the first clamping member forms an S shape. The first clamping groove is used to be installed on the folding tent body mounting rod, and an anti-slip gasket is installed on the inner wall of the second clamping groove to clamp the folding tent body.

[0006] Through the above technical solution, the clamping components on both sides of the first clamping groove form an elastic arm structure to stably clamp the folding tent body mounting rod. The installation method is simple and easy to operate. An anti-slip gasket is installed in the second clamping groove so that the folding tent body to be inspected can be directly clamped inside. The clamping components on both sides of the second clamping groove also form an elastic arm structure. The clamping installation method is simple and quick.

[0007] The clamping assembly includes at least one second clamping member, the second clamping member is provided with a through slot for the folding tent body mounting rod to pass through, and at least one first roller and a second roller are respectively provided between the inner walls of the through slot above and below the folding tent body mounting rod, the first roller is rotatably connected to the outside of the first roller, and the second roller is rotatably connected to the outside of the second roller.

[0008] The lifting rod includes two first and second guide rails arranged at an angle, each of the first and second guide rails is provided with a guide rail with a circular cross section, each of the guide rails is configured with at least one guide block, and the guide block is provided with a circular groove matching the cross section of the guide rail; the cross section of the connecting piece between the guide rail and the first and second guide rails is an isosceles trapezoid, and the slider is provided with a trapezoidal groove matching the connecting piece, the width of the trapezoidal groove is greater than the width of the connecting piece, and the trapezoidal groove is connected to the circular groove. The lifting rod also includes an L-shaped connecting plate, the two ends of the L-shaped connecting plate are respectively fixedly connected to the two guide blocks to form the slider, and the L-shaped connecting plate is provided with four guide blocks.

[0009] Through the above technical solution, since the foldable tent body has a certain weight, the slider structure of the present invention is L-shaped, which can increase the stability of the sliding support.

[0010] Preferably, the lifting assembly is provided with two groups and arranged back to back, and a first transverse support rod is connected between the two lifting rods of each group so that the plurality of lifting assemblies form a frame structure, and the upper and lower sides of the frame structure are respectively provided with a first gear and a second gear, and the first gear and the second gear are connected by a chain, and the slider is provided with a roller meshing with the chain. The upper and lower sides of the frame structure are respectively provided with a first micro switch and a second micro switch, and also include a driving motor, the output shaft of the driving motor is fixedly connected to the first gear or the second gear, and an extension plate is fixed on the slider, and an abutment portion cooperating with the first micro switch and the second micro switch is provided on the extension plate, and the first micro switch and the second micro switch are operated to control the steering of the driving motor, thereby controlling the steering movement of the chain. A transmission shaft is fixed between the two second gears, and a driving gear is fixed outside the transmission shaft, and the driving motor drives the driving gear through a belt, thereby driving the transmission shaft to rotate.

[0011] A controller can be installed outside the frame structure of the present invention, the output of the controller is connected to the drive motor, and the input is connected to the first micro switch and the second micro switch. After the interference part of the extension plate cooperates with the above-mentioned micro switches, a signal is given to the controller to control the steering adjustment of the drive motor.

[0012] Preferably, a second transverse support rod is fixedly connected between the two lifting rods of the lifting assembly in the same group, a plurality of longitudinal support rods are vertically fixed on the second transverse support rod, a third transverse support rod parallel to the second transverse support rod is fixedly connected to the top of the plurality of longitudinal support rods, and a placement plate is fixedly laid between the third transverse support rods.

[0013] By means of the above technical solution, a folding tent body to be tested or which has been tested can be placed on the placement board.

[0014] Preferably, a symmetrically arranged bracket is fixed on the top of the frame structure, a driving shaft is connected to the bracket via a bearing, a first gear is fixed outside the driving shaft, and a dust cover is fixed on the top of the frame structure.

[0015] A loading mechanism is fixed on the placement plate of the frame structure, and the loading mechanism includes:

[0016] Two opposing frames are arranged oppositely on the placement plate, and sprockets are arranged on the upper and lower sides of the opposing frames. Double-speed chains are arranged outside the two sprockets, and a plurality of limit rods arranged obliquely upward are arranged on the inner walls of the outer chain plates of the two double-speed chains, so that the inner sides of the limit rods form a loading placement position or a unloading placement position, and a first longitudinal cylinder is fixed on the top of the opposing frame, and a first transverse cylinder is fixed on the output shaft of the first longitudinal cylinder, and a rotating cylinder is fixed on the output shaft of the first transverse cylinder, and the output shaft of the rotating cylinder is fixedly connected to a clamping cylinder, and the clamping cylinder puts the folding tent body located at the folding state installation station of the folding tent body or the folding state installation station of the folding tent body into the loading placement position or the unloading placement position, or puts the folding tent body at the loading placement position or the unloading placement position into the folding state installation station of the folding tent body or the folding state installation station of the folding tent body;

[0017] A reversing block is fixed on the inner wall of the outer link plate, and an arc-shaped slide groove is provided on the reversing block. The limit rod is rotatably connected to the reversing block by a rotating pin, and a sliding pin in the arc-shaped slide groove is fixed to the first end of the limit rod, and the rotating pin is concentrically arranged with the center of the arc-shaped slide groove. The reversing block is provided with a sliding groove, and a pulling spring is fixed on the sliding block in the sliding groove. The other end of the pulling spring is fixed to the second end of the limit rod, and also includes a reversing member fixed on the top of the opposing frame. When the speed chain moves upward, the second end of the limit rod contacts the reversing member to reverse, and the sliding block of the pulling spring moves to the other end of the sliding groove to realize the reversal of the limit rod; on the side where the speed chain moves upward, the limit rod that originally supported the previous folding tent body is reversed by the reversing member, and on the side where the speed chain moves downward, the limit rod is used to support the next folding tent body after reversing.

[0018] Compared with the prior art, the present invention has the following beneficial effects: the present invention adopts automatic assembly, and can test the folding tent body, for example, testing the lifting and installation speed thereof during the lifting and installation. The lifting of the present invention can realize automatic reciprocating motion, and each test can be repeated and performed continuously. In addition, two workstations are respectively arranged on the folding tent body installation rod, and a control group is arranged, so that the folding tent body in two different states can be tested together. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a stereogram of the present invention;

[0020] Figure 2 It is a side view of the present invention;

[0021] Figure 3 It is a cross-sectional schematic diagram of the present invention;

[0022] Figure 4 The longitudinal section of the present invention is schematically shown Figure 1 ;

[0023] Figure 5 The longitudinal section of the present invention is schematically shown Figure 2 ;

[0024] Figure 6 is a three-dimensional diagram of a second clamping member of the present invention;

[0025] Figure 7 is a side view of the foldable tent body of the present invention;

[0026] Figure 8 It is a schematic diagram of the structure of the commutation block of the present invention;

[0027] Fig. 9 The commutation block movement diagram of the present invention is Figure 1 ;

[0028] Fig.10 The commutation block movement diagram of the present invention is Figure 2 ;

[0029] Reference numerals:

[0030] 1 lifting rod; 101 first guide rail; 102 second guide rail; 103 guide rail; 104 guide block; 105 circular groove; 106 trapezoidal groove; 107 L-type connecting plate;

[0031] 2 slider; 201 folding tent body installation rod; 202 folding tent body folding state installation station; 203 folding tent body unfolding state installation station;

[0032] 3 first clamping member; 301 first clamping groove; 302 second clamping groove; 303 anti-slip pad;

[0033] 4 mounting rod body; 401 fixed axis; 402 movable axis; 403 tarpaulin; 404 folding arm assembly;

[0034] 5 second clamping member; 501 through slot; 502 first roller; 503 second roller;

[0035] 601 first transverse support rod; 602 first gear; 603 second gear; 604 chain; 605 roller; 606 first micro switch; 607 second micro switch; 608 driving motor; 609 extension plate; 610 abutment portion; 611 transmission shaft; 612 driving gear; 613 belt; 614 second transverse support rod; 615 longitudinal support rod; 616 third transverse support rod; 617 placement plate;

[0036] 701 bracket; 702 dust cover; 703 bearing; 704 transmission shaft;

[0037] 801 opposing frame; 802 sprocket; 803 double-speed chain; 804 outer chain plate; 805 limit rod; 806 loading position or unloading position; 807 first longitudinal cylinder; 808 first transverse cylinder; 809 rotating cylinder; 810 clamping cylinder; 811 reversing block; 812 arc-shaped slide groove; 813 rotating pin; 814 sliding pin; 815 sliding groove; 816 pulling spring; 817 reversing member. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the present invention, and thus to more clearly define the scope of the protection claimed in the present invention, the present invention is described in detail with respect to certain specific embodiments of the present invention. It should be noted that the following are only certain specific implementations of the present invention, which are only some embodiments of the present invention, wherein the specific and direct description of the relevant structures is only for the convenience of understanding the present invention, and each specific feature does not naturally and directly limit the scope of implementation of the present invention.

[0039] Referring to the accompanying drawings, the present invention adopts the following technical scheme: a tent inspection lifting frame, comprising at least one lifting assembly, the lifting assembly comprising at least two lifting rods 1 arranged in parallel, at least two sliders 2 of the lifting rods 1 are installed with folding tent body installation rods 201, the folding tent body installation rods 201 are provided with at least one folding tent body folding state installation station 202, at least one folding tent body unfolding state installation station 203, each of the folding tent body folding state installation station 202, folding tent body unfolding state installation station 203 is provided with a plurality of clamping assemblies;

[0040] The clamping assembly includes at least one first clamping member 3, on which a first clamping groove 301 and a second clamping groove 302 are formed. The first clamping groove 301 and the second clamping groove 302 are offset and opened backwards so that the first clamping member 3 forms an S shape. The first clamping groove 301 is used to be installed on the folding tent body mounting rod 201, and an anti-slip gasket 303 is installed on the inner wall of the second clamping groove 302 to clamp the folding tent body.

[0041] Through the above technical solution, the clamping components on both sides of the first clamping groove 301 form an elastic arm structure to stably clamp the folding tent body mounting rod 201. The installation method is simple and easy to operate. An anti-slip gasket 303 is installed in the second clamping groove 302 so that the folding tent body to be inspected can be directly clamped inside. The clamping components on both sides of the second clamping groove 302 also form an elastic arm structure. The clamping installation method is simple and quick.

[0042] The folding tent body includes a mounting rod body 4 for being installed in the second clamping groove 302, a fixed shaft 401 for winding the tarpaulin 403 fixed on the mounting rod body 4 through a connecting rod, and a movable shaft 402 for connecting the other end of the tarpaulin 403, and also includes two mutually hinged folding arm assemblies 404, one end of the folding arm assembly 404 is hinged to the mounting rod body 4, and the other end is hinged to the movable shaft 402.

[0043] The clamping assembly includes at least one second clamping member 5, and the second clamping member 5 is provided with a through slot 501 for the folding tent installation rod 201 to pass through. At least one first roller 502 and a second roller 503 are respectively provided between the inner walls of the through slot 501 above and below the folding tent installation rod 201. The first roller 502 is externally rotatably connected to a first drum, and the second roller 503 is externally rotatably connected to a second drum.

[0044] The lifting rod 1 includes two first guide rails 101 and second guide rails 102 arranged at an angle. The first guide rails 101 and the second guide rails 102 are both provided with guide rails 103 with circular cross-sections. Each guide rail 103 is configured with at least one guide block 104. The guide block 104 is provided with a circular groove 105 that matches the cross-section of the guide rail 103. The cross-section of the connecting piece between the guide rail 103 and the first guide rail 101 and the second guide rail 102 is an isosceles trapezoid. The slider 2 is provided with a trapezoidal groove 106 that matches the connecting piece. The width of the trapezoidal groove 106 is greater than the width of the connecting piece. The trapezoidal groove 106 is connected to the circular groove 105. The slider 2 also includes an L-shaped connecting plate 107. The two ends of the L-shaped connecting plate 107 are respectively fixedly connected to the two guide blocks 104 to form the slider 2. The L-shaped connecting plate 107 is provided with four guide blocks 104.

[0045] According to the above technical solution, since the foldable tent body has a certain weight, the slider 2 of the present invention has an L-shaped structure, which can increase the stability of the sliding support.

[0046] Preferably, the lifting assembly is provided with two groups and arranged back to back, and a first transverse support rod 601 is connected between the two lifting rods 1 of each group so that the plurality of lifting assemblies form a frame structure, and the upper and lower sides of the frame structure are respectively provided with a first gear 602 and a second gear 603, and the first gear 602 and the second gear 603 are connected by a chain 604, and the slider 2 is provided with a roller 605 meshing with the chain 604. The upper and lower sides of the frame structure are respectively provided with a first micro switch 606 and a second micro switch 607, and further include a driving motor 608, the output shaft of the driving motor 608 is fixedly connected to the first gear 602 or the second gear 603, and an extension plate 609 is fixed on the slider 2, and an abutment portion 610 cooperating with the first micro switch 606 and the second micro switch is provided on the extension plate 609, and the first micro switch 606 and the second micro switch 607 are operated to control the steering of the driving motor 608, thereby controlling the steering movement of the chain 604. A driving shaft 704 is fixed between the two second gears 603 , and a driving gear 612 is fixed outside the driving shaft 704 . The driving motor 608 drives the driving gear 612 through a belt 613 , thereby driving the transmission shaft 611 to rotate.

[0047] A controller can be installed outside the frame structure of the present invention, the output of the controller is connected to the drive motor 608, and the input is connected to the first micro switch 606 and the second micro switch 607. After the resistance part 610 of the extension plate 609 cooperates with the above-mentioned micro switches, a signal is given to the controller to control the steering adjustment of the drive motor 608.

[0048] Preferably, a second transverse support rod 614 is fixedly connected between the two lifting rods 1 of the lifting assembly in the same group, a plurality of longitudinal support rods 615 are vertically fixed on the second transverse support rod 614, a third transverse support rod 616 parallel to the second transverse support rod 614 is fixedly connected to the top of the plurality of longitudinal support rods 615, and a placement plate 617 is fixedly laid between the third transverse support rods 616.

[0049] By means of the above technical solution, the placement plate 617 can be used to place, for example, a folding tent body to be tested or that has been tested.

[0050] Preferably, a symmetrically arranged bracket 701 is fixed on the top of the frame structure, a transmission shaft 611 is connected to the bracket 701 via a bearing 703, a first gear 602 is fixed outside the transmission shaft 611, and a dust cover 702 is fixed on the top of the frame structure.

[0051] A loading mechanism is fixed on the placement plate of the frame structure, and the loading mechanism includes:

[0052] Two opposing frames 801 are arranged oppositely on the placement plate, and sprockets 802 are arranged on the upper and lower sides of the opposing frames 801. Speed ​​chains 803 are arranged outside the two sprockets 802. The inner walls of the outer chain plates 804 of the two speed chains 803 are provided with a plurality of limit rods 805 arranged obliquely upward, so that a loading placement position or a unloading placement position 806 is formed on the inner side of the limit rods 805. A first longitudinal cylinder 807 is fixed on the top of the opposing frame 801, and a first transverse cylinder 808 is fixed on the output shaft of the first longitudinal cylinder 807. A rotating cylinder 809 is fixed on the output shaft, and the output shaft of the rotating cylinder 809 is fixedly connected to a clamping cylinder 810, which puts the folding tent body located at the folding state installation station or the folding tent body unfolding state installation station into the loading placement position or the unloading placement position 806, or puts the folding tent body on the loading placement position or the unloading placement position 806 into the folding state installation station or the folding tent body unfolding state installation station; and also includes a rotating motor fixed on the opposing frame 801, and the rotating motor drives one of its sprocket wheels 802 to rotate. The opposite sprocket wheels 802 can be connected by a transmission connecting rod.

[0053] A reversing block 811 is fixed on the inner wall of the outer link plate 804, and an arc-shaped slide groove 812 is provided on the reversing block 811. The limiting rod 805 is rotatably connected with the reversing block 811 through a rotating pin 813. A sliding pin 814 in the arc-shaped slide groove 812 is fixed to the first end of the limiting rod 805. The rotating pin 813 is concentrically arranged with the center of the arc-shaped slide groove 812. A sliding groove 815 is provided on the reversing block 811. A pulling spring 816 is fixed on the sliding block of the sliding groove 815. The other end of the pulling spring 816 is fixed to the second end of the limiting rod 805. The end also includes a reversing member 817 fixed on the top of the opposing frame 801. When the speed chain 803 moves upward, the second end of the limit rod 805 contacts the reversing member 817 to reverse direction, and the sliding block of the spring 816 is pulled to move to the other end of the sliding groove 815 to realize the reversal of the limit rod 805. On the side where the speed chain 803 moves upward, the limit rod 805 that originally supported the previous folding tent body is reversed by the reversing member 817. On the side where the speed chain 803 moves downward, the limit rod 805 is used to support the next folding tent body after reversing.

[0054] Compared with the prior art, the present invention has the following beneficial effects: the present invention adopts automatic assembly, and can test the folding tent body, for example, testing its lifting and installation speed during lifting and installation. The lifting of the present invention can realize automatic reciprocating motion, and each test can be repeated and performed continuously. In addition, two workstations are respectively arranged on the folding tent body installation rod 201, and a control group is set, so that the folding tent body in two different states can be tested together.

[0055] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A tent inspection lifting frame, characterized in that: The invention comprises at least one lifting assembly, wherein the lifting assembly comprises at least two lifting rods (1) arranged in parallel, wherein slide blocks (2) of at least two of the lifting rods (1) are provided with foldable tent body installation rods (201), wherein the foldable tent body installation rods (201) are provided with at least one foldable tent body folded state installation station (202) and at least one foldable tent body unfolded state installation station (203), and each of the foldable tent body folded state installation station (202) and the foldable tent body unfolded state installation station (203) is provided with a plurality of clamping assemblies; The clamping assembly comprises at least one first clamping member (3), the first clamping member (3) being provided with a first clamping groove (301) and a second clamping groove (302), the first clamping groove (301) and the second clamping groove (302) being staggered and openings facing backwards so that the first clamping member (3) forms an S-shape, the first clamping groove (301) being used for being mounted on the folding tent body mounting rod (201), and the inner wall of the second clamping groove (302) being provided with an anti-slip pad (303) for clamping the folding tent body; The lifting components are provided in two groups and are arranged back to back, and a first transverse support rod (601) is connected between the two lifting rods (1) of each group so that the plurality of lifting components form a frame structure, and a loading mechanism is fixed on a placement plate of the frame structure, and the loading mechanism comprises: Two opposing frames (801) are arranged oppositely on the placement plate, and sprockets (802) are arranged on the upper and lower sides of the opposing frames (801). The outer surfaces of the two sprockets (802) are provided with double-speed chains (803). The inner walls of the outer chain plates (804) of the two double-speed chains (803) are provided with a plurality of limit rods (805) arranged obliquely upward, so that the inner sides of the limit rods (805) form a loading placement position or a unloading placement position (806). A first longitudinal cylinder (807) is fixed on the top of the opposing frame (801), and a first longitudinal cylinder (807) is fixed on the output shaft of the first longitudinal cylinder (807). a transverse cylinder (808), a rotating cylinder (809) being fixed on the output shaft of the first transverse cylinder (808), the output shaft of the rotating cylinder (809) being fixedly connected to a clamping cylinder (810), the clamping cylinder (810) placing the folding tent body at the folding state installation station or the folding tent body unfolding state installation station into the loading placement position or the unloading placement position (806), or placing the folding tent body at the loading placement position or the unloading placement position (806) into the folding state installation station or the folding state installation station; A reversing block (811) is fixed on the inner wall of the outer link plate (804), and an arc-shaped sliding groove (812) is provided on the reversing block (811). The limiting rod (805) is rotatably connected to the reversing block (811) via a rotating pin (813). A sliding pin (814) in the arc-shaped sliding groove (812) is fixed to the first end of the limiting rod (805), and the rotating pin (813) is coaxially arranged with the center of the arc-shaped sliding groove (812). A sliding groove (815) is provided on the reversing block (811), and a pulling spring (816) is fixed on the sliding block of the sliding groove (815), and the other end of the pulling spring (816) is fixed to the limiting rod (805). ) also includes a reversing member (817) fixed on the top of the opposing frame (801), and when the speed chain (803) moves upward, the second end of the limit rod (805) contacts the reversing member (817) to reverse, and the sliding block of the spring (816) is pulled to move to the other end of the sliding groove (815) to realize the reversal of the limit rod (805); on the side where the speed chain (803) moves upward, the limit rod (805) that originally supported the previous folding tent body is reversed by the reversing member (817), and on the side where the speed chain (803) moves downward, the limit rod (805) is used to support the next folding tent body after reversing.

2. The tent inspection lifting frame according to claim 1, characterized in that: The clamping assembly comprises at least one second clamping member (5), the second clamping member (5) being provided with a through slot (501) for the folding tent body mounting rod (201) to pass through, at least one first roller (502) and a second roller (503) being provided between the inner walls of the through slot (501) located above and below the folding tent body mounting rod (201), respectively, the first roller (502) being rotatably connected to the outside with a first drum, and the second roller (503) being rotatably connected to the outside with a second drum.

3. The tent inspection lifting frame according to claim 1, characterized in that: The lifting rod (1) comprises a first guide rail (101) and a second guide rail (102) which are arranged at an angle, wherein the first guide rail (101) and the second guide rail (102) are both provided with a guide rail (103) with a circular cross section, and each guide rail (103) is configured with at least one guide block (104), and the guide block (104) is provided with a circular groove (105) which matches the cross section of the guide rail (103).

4. The tent inspection lifting frame according to claim 3, characterized in that: The cross-section of the connecting piece between the guide rail (103) and the first guide rail (101) and the second guide rail (102) is an isosceles trapezoid; the slider (2) is provided with a trapezoidal groove (106) that matches the connecting piece; the width of the trapezoidal groove (106) is greater than the width of the connecting piece; and the trapezoidal groove (106) is connected to the circular groove (105).

5. The tent inspection lifting frame according to claim 4, characterized in that: The invention also comprises an L-shaped connecting plate (107), two ends of the L-shaped connecting plate (107) are respectively fixedly connected to two guide blocks (104) to form the sliding block (2), and four guide blocks (104) are arranged on the L-shaped connecting plate (107).

6. The tent inspection lifting frame according to claim 1, characterized in that: A first gear (602) and a second gear (603) are respectively provided at the upper and lower sides of the frame structure; the first gear (602) and the second gear (603) are connected by a chain (604); and a roller (605) meshing with the chain (604) is provided on the slider (2).

7. The tent inspection lifting frame according to claim 6, characterized in that: The frame structure is provided with a first micro switch (606) and a second micro switch (607) at the upper and lower sides of both sides respectively, and also includes a driving motor (608), the output shaft of the driving motor (608) is fixedly connected to the first gear (602) or the second gear (603), an extension plate (609) is fixed on the slider (2), and the extension plate (609) is provided with a contact part (610) that cooperates with the first micro switch (606) and the second micro switch (607), and the first micro switch (606) and the second micro switch (607) are operated to control the direction of the driving motor (608), thereby controlling the steering movement of the chain (604).

8. The tent inspection lifting frame according to claim 7, characterized in that: A driving shaft (704) is fixed between the two second gears (603), a driving gear (612) is fixed outside the driving shaft (704), and the driving motor (608) drives the driving gear (612) through a belt (613), thereby driving the transmission shaft (611) to rotate.

9. The tent inspection lifting frame according to claim 6, characterized in that: A second transverse support rod (614) is fixedly connected between two lifting rods (1) of the lifting assembly in the same group, a plurality of longitudinal support rods (615) are vertically fixed on the second transverse support rod (614), a third transverse support rod (616) parallel to the second transverse support rod (614) is fixedly connected to the top of the plurality of longitudinal support rods (615), and a placement plate (617) is fixedly laid between the third transverse support rods (616).

10. The tent inspection lifting frame according to claim 8, characterized in that: A symmetrically arranged bracket (701) is fixed on the top of the frame structure, a transmission shaft (611) is connected to the bracket (701) via a bearing (703), a first gear (602) is fixed outside the transmission shaft (611), and a dust cover (702) is fixed on the top of the frame structure.

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