A measuring device for mobile house installation

Abstract

The present invention proposes a measuring device for installing a mobile house, which relates to the field of measurement technology and includes a functional block and a ground-inserting rod. The number of the functional blocks is two, and the number of the ground-inserting rods is the same as the number of the functional blocks and is arranged in a one-to-one correspondence. One end of the ground-inserting rod is fixedly connected to the functional block, and an adjustable straight rod mechanism is rotatably installed between the two functional blocks. A display window is provided on the functional block, and a sliding groove connected to the display window is provided in the functional block. The present invention proposes a measuring device for installing a mobile house. Through the provided functional blocks, ground-inserting rods, adjustable straight rod mechanism, display rack and transmission mechanism, the ground for outdoor installation can be measured to be parallel and flat, and then used as a construction benchmark. During the construction process, when the equipment is subjected to external force, it is also convenient for the staff to quickly observe the interference of the external force on the equipment, so that the staff can make timely adjustments, ensure the construction benchmark, reduce subsequent adjustments, and improve the construction efficiency of ground leveling.

Description

Technical Field

[0001] The present invention relates to the field of measurement technology, in particular to a measuring device for installing a mobile house. Background Art

[0002] Mobile homes, also known as portable homes, are easily assembled and moved. They offer flexibility and portability: Designed to be transported from one location to another via trailer, they simplify moving and are ideal for those seeking a flexible lifestyle. Types: Mobile homes are primarily categorized into two types: trailerable and modular. Trailerable homes are mounted on a wheeled chassis and can be towed by car or truck. Modular homes consist of prefabricated modules that are factory-built and assembled and secured on-site. Environmentally friendly and economical: Mobile homes are relatively inexpensive to build, and their prefabricated nature allows for quick installation. They generate minimal construction waste during assembly and can be reused multiple times, offering environmental advantages. Convenient: Mobile homes are aesthetically pleasing, easy to construct, and minimally polluting, requiring minimal investment. Widely used: Mobile homes are widely used in China, such as in environmentally friendly public toilets, sanitation facilities, lightweight steel structures, and wooden structures. Technical maturity: Internationally, the technology is highly mature, with significant development and industry concentration in Europe, the United States, and Japan. Domestic movable houses are gradually gaining social recognition. Their advantages such as strong earthquake resistance, good energy saving, low cost and quick installation make them popular in major scenic spots, gas stations, construction sites, etc.

[0003] When installing a mobile home outdoors (such as a worker dormitory at a construction site), you first need to ensure that the installation ground is flat and solid. The ground needs to be leveled and flattened. When measuring, a vertical pole is usually inserted at each corner of the designated position, and the horizontal tube measurement method is used to mark the vertical pole. Then, a rope is tied to each marked position, and then the soil is filled to adjust the level and flatness of the installation ground. During the entire construction process, construction is carried out based on the position of the rope. However, in actual operation, due to vibrations generated by construction and sagging of the middle section of the rope, the rope and the vertical pole cannot maintain their original state. After the construction is completed, the level and flatness of the installation ground may not meet the standards, and subsequent rectification is required, which is more inconvenient. Summary of the Invention

[0004] Based on the technical problems existing in the background technology, the present invention proposes a measuring device for installing a mobile house.

[0005] The present invention proposes a measuring device for installing a mobile house, including a functional block and a ground-inserting rod. There are two functional blocks, and the number of the ground-inserting rods is the same as the number of functional blocks and is arranged in a one-to-one correspondence. One end of the ground-inserting rod is fixedly connected to the functional block, and an adjustable straight rod mechanism is rotatably installed between the two functional blocks. A display window is provided on the functional block, and a sliding groove connected to the display window is provided in the functional block. A display rack is slidably installed in the sliding groove, and a scale value is engraved on the side of the display rack close to the display window. A transmission mechanism is installed on the functional block. When the adjustable straight rod mechanism rotates on the functional block, the transmission mechanism can convert the rotation of the adjustable straight rod mechanism into linear motion of the display rack.

[0006] Preferably, the adjustable straight rod mechanism includes a telescopic rod, a rotating plate and a straightening assembly; the number of the telescopic rods is two, a connecting block is rotatably connected between the two telescopic rods, the number of the rotating plates is the same as the number of the telescopic rods and is arranged in a one-to-one correspondence, the rotating plate is fixedly connected to the side of the telescopic rod away from the connecting block, the side of the functional block is fixedly connected to the side of the functional block, and active rotating shafts are installed at both ends of the rotating plate, and the active rotating shafts can rotate on the side plates;

[0007] The straightening assembly is used to adjust the two telescopic rods and the connecting block to a linear state.

[0008] Preferably, the transmission mechanism includes a driving gear, a transmission gear, a No. 1 return spring and a No. 2 return spring; the driving gear is fixedly mounted on the rotating plate, the transmission gear is rotatably mounted in the functional block, the driving gear can engage with the transmission gear, the transmission gear engages with the display rack, the No. 1 return spring and the No. 2 return spring are both located in the sliding groove, and the No. 1 return spring and the No. 2 return spring are respectively located at both ends of the display rack.

[0009] Preferably, the straightening assembly includes a No. 1 plug-in sleeve, a No. 2 plug-in sleeve and a docking pin; the No. 1 plug-in sleeve and the No. 2 plug-in sleeve are respectively fixedly installed on two telescopic rods, the docking pin slides through the No. 1 plug-in sleeve, and the No. 2 plug-in sleeve is provided with a plug-in groove adapted to the docking pin.

[0010] Preferably, the side plate is provided with a movable slide groove, the active rotating shaft can slide in the movable slide groove, the inner wall of the end of the movable slide groove is provided with a rotating hole that rotates with the active rotating shaft, the rotating plate is provided with a telescopic hole, the active rotating shaft is slidably installed in the telescopic hole, an ejection spring is installed in the telescopic hole, the ejection spring can make the active rotating shaft have a tendency to move out of the telescopic hole, when the connecting block enters the rotating hole, the driving gear is meshed with the transmission gear;

[0011] An ejection assembly is installed on the side plate, and the ejection assembly is used to drive the active shaft to disengage from the rotating hole.

[0012] Preferably, the rotating plate is further provided with a receiving hole, in which a reset slide shaft is slidably installed. The reset slide shaft can be received in the receiving hole and can slide in the movable slide groove.

[0013] A linkage mechanism is provided between the active rotating shaft and the movable sliding slot, and the linkage mechanism can convert the telescopic motion of the active rotating shaft in the telescopic hole into the contraction and extension motion of the movable sliding slot in the receiving hole.

[0014] Preferably, the linkage mechanism includes a No. 1 hydraulic cylinder and a No. 2 hydraulic cylinder, the No. 1 hydraulic cylinder is installed in the rotating plate, the output shaft of the No. 1 hydraulic cylinder is fixedly connected to one end of the active rotating shaft, the No. 2 hydraulic cylinder is fixedly installed in the rotating plate, the output shaft of the No. 2 hydraulic cylinder is fixedly connected to one end of the reset sliding shaft, and the oil cylinder of the No. 1 hydraulic cylinder is connected to the oil cylinder of the No. 2 hydraulic cylinder.

[0015] Preferably, when the active rotating shaft is inserted into the rotating hole, the reset sliding shaft is completely received in the receiving hole.

[0016] Preferably, the ejection assembly includes an ejection rod and a return spring; an ejection hole connected to the rotating hole is provided on the side plate, the ejection rod is slidably installed in the ejection hole, the outer periphery of the ejection rod is circumferentially connected with a boss, the inner wall of the ejection hole is provided with a limiting groove that slides with the boss, the return spring is located in the limiting groove, and the two ends of the return spring are respectively connected to the end inner wall of the limiting groove and the boss.

[0017] The present invention proposes a measuring device for installing a mobile house with the following beneficial effects: through the set functional blocks, ground-inserting rods, adjustable straight rod mechanisms, display racks and transmission mechanisms, the outdoor installation ground can be measured to be parallel and flat, and then used as a construction benchmark. During the construction process, when the equipment is subjected to external forces, it is also convenient for the staff to quickly observe the interference of the external forces on the equipment, which is convenient for the staff to make timely adjustments, ensure the construction benchmark, reduce subsequent adjustments, and improve the construction efficiency of ground leveling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a measuring device for installing a mobile home proposed by the present invention;

[0019] Figure 2 A cross-sectional view of the connection position of the telescopic rod and the functional block in a measuring device for installing a mobile home proposed by the present invention;

[0020] Figure 3This is a schematic structural diagram of the connection between the rotating plate and the telescopic rod in a measuring device for installing a mobile home proposed by the present invention;

[0021] Figure 4 This is a schematic structural diagram of a side panel in a measuring device for installing a mobile home proposed by the present invention;

[0022] Figure 5 This is a cross-sectional view of the connection between two telescopic rods and a connecting block in a measuring device for installing a mobile home proposed by the present invention;

[0023] Figure 6 This is a cross-sectional view of a rotating plate and side plates in a measuring device for installing a mobile home proposed by the present invention.

[0024] In the figure: 1. Functional block; 2. Ground plug-in rod; 3. Display window; 4. Display rack; 5. Telescopic rod; 6. Rotating plate; 7. Connecting block; 8. Side plate; 9. Active rotating shaft; 10. Active gear; 11. Transmission gear; 12. Return spring No. 1; 13. Return spring No. 2; 14. Connecting sleeve No. 1; 15. Connecting sleeve No. 2; 16. Docking pin; 17. Movable slide; 18. Ejection spring; 19. Return slide; 20. Hydraulic cylinder No. 1; 21. Hydraulic cylinder No. 2; 22. Ejection rod; 23. Return spring. DETAILED DESCRIPTION

[0025] Reference Figures 1-6The present invention proposes a measuring device for installing a mobile house, comprising a functional block 1 and a ground-inserting rod 2. During operation, an auxiliary bracket is used to insert the ground-inserting rod 2 in a vertical state into the ground. The ground-inserting rod 2 can also be engraved with a scale line to judge the height of the functional block 1. There are two functional blocks 1, and the number of ground-inserting rods 2 is the same as the number of functional blocks 1 and is arranged one-to-one. The functional block 1 is fixedly installed on the top of the ground-inserting rod 2. An adjustable straight rod mechanism is rotatably installed between the two functional blocks 1. A display window 3 is provided on the functional block 1, and a sliding groove connected to the display window 3 is provided in the functional block 1. The sliding groove A display rack 4 is installed in the inner slide, and a scale value is engraved on the side of the display rack 4 close to the display window 3. A transmission mechanism is installed on the functional block 1. When the adjustable straight rod mechanism rotates on the functional block 1, the transmission mechanism can convert the rotation of the adjustable straight rod mechanism into a linear motion of the display rack 4. In the specific operation, multiple measuring devices are used. First, draw the ground that needs to be adjusted on the ground, and then insert the ground rod 2 vertically into the ground. It is necessary to ensure that the two ground rods 2 are always kept parallel, and then gradually adjust the height of the two functional blocks 1 so that the values observed on the display rack 4 are all 0, and observe The ground and the adjustable straight rod mechanism are measured, and the distance from each point on the ground to the adjustable straight rod mechanism is measured to determine the parallelism and flatness of the ground. The staff then fills and digs the ground according to the measured ground conditions to ensure that the adjustable straight rod mechanism remains horizontal. The staff can operate according to the adjustable straight rod mechanism to adjust the flatness and levelness of the ground. In actual situations, during construction operations, the ground will be vibrated and the ground rod 2 may be touched, causing the height of the functional block 1 to change. When the height of one of the functional blocks 1 changes, The adjustable straight rod mechanism will tilt. When the adjustable straight rod mechanism and the functional block 1 are in a tilted state, the transmission mechanism drives the display rack 4 to slide in the sliding groove. The scale value on the display rack 4 is viewed through the display window 3. The tilt state of the adjustable straight rod mechanism during the construction process can be viewed intuitively, so that adjustments can be made to ensure the leveling of the installation ground, reduce the need for subsequent adjustment steps, improve the efficiency of the leveling operation, and enable the staff to conveniently view the horizontal condition of the adjustable straight rod mechanism at any time, so as to judge whether the construction benchmark has shifted during the construction process.

[0026] like Figure 1As shown in , the adjustable straight rod mechanism includes a telescopic rod 5, a rotating plate 6 and a straightening component; the number of telescopic rods 5 is two, and a connecting block 7 is rotatably connected between the two telescopic rods 5. The number of rotating plates 6 is the same as the number of telescopic rods 5 and is arranged in a one-to-one correspondence. The rotating plate 6 is fixedly connected to the side of the telescopic rod 5 away from the connecting block 7, and the side of the functional block 1 is fixedly connected to the side plate 8. When rotation occurs between the telescopic rod 5 and the functional block 1, space is required for the end of the telescopic rod 5 and the functional block 1 to rotate. Therefore, the end of the telescopic rod 5 is fixedly connected to the rotating plate 6 and the side of the functional block 1 is connected to the side plate 8, so that the rotating plate 6 has enough space to rotate. Active rotating shafts 9 are installed at both ends of the rotating plate 6, and the active rotating shaft 9 can be rotated on the side plate 8 The straightening assembly is used to adjust the two telescopic rods 5 and the connecting block 7 to a linear state. In actual practice, the two telescopic rods 5 need to be adjusted to a straight state during the measurement process. During the measurement process, due to the strength of the telescopic rods 5, the two telescopic rods 5 always remain in a straight state, and there will be no sagging similar to the middle section of a rope, thereby ensuring the accuracy of the measurement. The two telescopic rods 5 can be rotated to a straight state, and then the straightening assembly can be used to ensure that the two telescopic rods 5 always remain in a straight state. After use, the straightening assembly can be untied to release the straight state of the two telescopic rods 5, and then the two telescopic rods 5 can be rotated and folded together through the connecting block 7, which is convenient for folding and storage, reducing the storage volume, and making it easier for people to use.

[0027] like Figure 1 and Figure 2 As shown in, the transmission mechanism includes a driving gear 10, a transmission gear 11, a No. 1 return spring 12 and a No. 2 return spring 13; the driving gear 10 is fixedly mounted on the rotating plate 6, and the transmission gear 11 is rotatably mounted in the functional block 1. The driving gear 10 can mesh with the transmission gear 11, and the transmission gear 11 meshes with the display rack 4. The No. 1 return spring 12 and the No. 2 return spring 13 are both located in the sliding groove. The No. 1 return spring 12 and the No. 2 return spring 13 are respectively located at both ends of the display rack 4. In actual conditions, when subjected to external force, when the telescopic rod 5 and the functional block 1 rotate inversely, the telescopic rod 5 drives the rotating plate 6 and the driving gear 10 to rotate synchronously. When the driving gear 10 rotates, the driving gear 10 drives the transmission gear 11 to rotate, and the transmission gear 11 drives the display rack 4 to slide in the sliding groove, so that the scale line on the display rack 4 displays the specific displacement in the display window 3, thereby judging the tilted state. The No. 1 return spring 12 and the No. 2 return spring 13 are to ensure that the display rack 4 is reset to zero and to ensure the pressure balance at both ends of the display rack 4.

[0028] like Figure 1 and Figure 5As shown in the figure, the straightening assembly includes a No. 1 plug sleeve 14, a No. 2 plug sleeve 15 and a docking pin 16; the No. 1 plug sleeve 14 and the No. 2 plug sleeve 15 are respectively fixedly installed on the two telescopic rods 5, and the docking pin 16 slides through the No. 1 plug sleeve 14. The No. 2 plug sleeve 15 is provided with a plug groove adapted to the docking pin 16. The docking pin 16 is inserted into the plug groove to ensure that the two telescopic rods 5 remain in a straight rod state. When storing, the docking pin 16 is pulled out to facilitate the rotation and folding of the two telescopic rods 5 through the connecting block 7.

[0029] like Figure 2 、 Figure 4 and Figure 6 As shown in FIG, a movable chute 17 is provided on the side panel 8, and the track of the movable chute 17 is as shown in FIG. Figure 4 As shown in , the active rotating shaft 9 can slide in the movable slide groove 17, and the inner wall of the end of the movable slide groove 17 is provided with a rotating hole that rotates with the active rotating shaft 9. A telescopic hole is provided on the rotating plate 6, and the active rotating shaft 9 is slidably installed in the telescopic hole. A ejection spring 18 is installed in the telescopic hole. The ejection spring 18 can make the active rotating shaft 9 have a tendency to move out of the telescopic hole. When the active rotating shaft 9 reaches the rotating hole position, under the rebound action of the ejection spring 18, the active rotating shaft 9 is driven to extend and insert into the rotating hole. When the connecting block 7 enters the rotating hole, the driving gear 10 engages with the transmission gear 11; an exit component is installed on the side plate 8, and the exit component is used to drive the active rotating shaft 9 to disengage from the rotating hole. In actual conditions In the embodiment, by controlling the extension length of the active rotating shaft 9, the active rotating shaft 9 is made to rotate in the rotating hole or slide in the movable slide groove 17, thereby realizing two states of the device (use and storage). When performing measurement operations, the active rotating shaft 9 rotates in the rotating hole. At this time, the driving gear 10 and the transmission gear 11 are in a meshing state, which can ensure that when the telescopic rod 5 and the functional block 1 rotate, the driving display rack 4 can be driven to display its rotation; when folding and storing, the exit component is used to disengage the active rotating shaft 9 from the rotating hole, so that the active rotating shaft 9 slides in the movable slide groove 17, which facilitates the folding and storage of the telescopic rod 5 and the functional block 1, and the operation is simple and convenient.

[0030] like Figure 2 、 Figure 3 and Figure 6As shown in, the rotating plate 6 is also provided with a storage hole, in which a reset slide shaft 19 is slidably installed, and the reset slide shaft 19 can be received in the storage hole, and the reset slide shaft 19 can slide in the movable slide groove 17; a linkage mechanism is provided between the active rotating shaft 9 and the movable slide groove 17, and the linkage mechanism can convert the telescopic movement of the active rotating shaft 9 in the telescopic hole into the contraction and extension movement of the movable slide groove 17 in the storage hole. In actual practice, when the telescopic rod 5 and the functional block 1 are folded and stored, the driving gear 10 and the transmission gear 11 will be driven to disengage. Under the action of the first reset spring 12 and the second reset spring 13, the display rack 4 will slide and reset. When driving the driving gear 10 and the transmission gear 11 to engage, it is necessary to ensure that the telescopic rod 5 and the functional block 1 remain in a vertical state, and at the same time, the value displayed on the display rack 4 in the display window 3 is 0. The simplest way is to make the telescopic rod 5 and the functional block 1 move in a vertical state, so that the driving gear 10 is close to the transmission gear 11, so that the driving gear 10 and the transmission gear 11 are engaged. The telescopic rod 5 and the functional block 1 are meshed, thereby ensuring that when the telescopic rod 5 and the functional block 1 are kept in a vertical state, the value displayed on the display rack 4 in the display window 3 is 0, that is, when the telescopic rod 5 and the functional block 1 are folded and stored, the telescopic rod 5 and the functional block 1 are adjusted to a vertical state, and then the active shaft 9 is driven to disengage from the rotating hole and enter the active slide 17 through the exit component. At the same time, the active shaft 9 drives the reset slide 19 to enter the active slide 17 through the linkage mechanism, which can ensure that the telescopic rod 5 and the functional block 1 are always in a vertical state, which is convenient Adjust the meshing of the driving gear 10 and the transmission gear 11. When folding and storing, let the reset slide shaft 19 and the active rotating shaft 9 slide in the movable slide groove 17. When the reset slide shaft 19 slides to the fork of the movable slide groove 17, the reset slide shaft 19 slides in the bending section of the movable slide groove 17, and the active rotating shaft 9 rotates in the movable slide groove 17, so that the telescopic rod 5 and the functional block 1 can be stored together. When the active rotating shaft 9 is inserted into the rotating hole, the reset slide shaft 19 is completely stored in the storage hole through the linkage mechanism.

[0031] like Figure 6 As shown in the figure, the linkage mechanism includes a No. 1 hydraulic cylinder 20 and a No. 2 hydraulic cylinder 21. The No. 1 hydraulic cylinder 20 is installed in the rotating plate 6. The output shaft of the No. 1 hydraulic cylinder 20 is fixedly connected to one end of the active rotating shaft 9. The No. 2 hydraulic cylinder 21 is fixedly installed in the rotating plate 6. The output shaft of the No. 2 hydraulic cylinder 21 is fixedly connected to one end of the reset sliding shaft 19. The oil cylinder of the No. 1 hydraulic cylinder 20 is connected with the oil cylinder of the No. 2 hydraulic cylinder 21; when the active rotating shaft 9 is inserted into the rotating hole, the reset sliding shaft 19 is completely received in the receiving hole, and the oil cylinders of the No. 1 hydraulic cylinder 20 and the No. 2 hydraulic cylinder 21 are in a connected state. When the output shafts of the two hydraulic cylinders are extended and retracted, the flow of oil ensures that the two output shafts can be linked, so that the active rotating shaft 9 and the reset sliding shaft 19 are extended and retracted.

[0032] like Figure 6As shown in the figure, the exit assembly includes an exit rod 22 and a return spring 23; an exit hole connected to the rotating hole is provided on the side plate 8, and the exit rod 22 is slidably installed in the exit hole. The outer periphery of the exit rod 22 is circumferentially connected with a boss, and the inner wall of the exit hole is provided with a limiting groove that slides with the boss. The return spring 23 is located in the limiting groove, and the two ends of the return spring 23 are respectively connected to the end inner wall of the limiting groove and the boss. By pressing the exit rod 22, the end of the exit rod 22 pushes the active rotating shaft 9 to retract in the telescopic hole, thereby driving the active rotating shaft 9 to disengage from the rotating hole. Under the rebound action of the return spring 23, the exit rod 22 can be driven to reset.

[0033] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A measuring device for installing a mobile home, characterized in that: The invention comprises a functional block (1) and a ground insertion rod (2), wherein the number of the functional blocks (1) is two, the number of the ground insertion rods (2) is the same as the number of the functional blocks (1) and is arranged in a one-to-one correspondence, one end of the ground insertion rod (2) is fixedly connected to the functional block (1), an adjustable straight rod mechanism is rotatably installed between the two functional blocks (1), a display window (3) is provided on the functional block (1), a sliding groove connected to the display window (3) is provided in the functional block (1), a display rack (4) is slidably installed in the sliding groove, a scale value is engraved on the side of the display rack (4) close to the display window (3), and a transmission mechanism is installed on the functional block (1), and when the adjustable straight rod mechanism rotates on the functional block (1), the transmission mechanism can convert the rotation of the adjustable straight rod mechanism into the linear motion of the display rack (4); The adjustable straight rod mechanism comprises a telescopic rod (5), a rotating plate (6) and a straightening assembly; the number of the telescopic rods (5) is two, and a connecting block (7) is rotatably connected between the two telescopic rods (5); the number of the rotating plates (6) is the same as the number of the telescopic rods (5) and is arranged in a one-to-one correspondence; the rotating plate (6) is fixedly connected to a side of the telescopic rod (5) away from the connecting block (7); a side plate (8) is fixedly connected to the side of the functional block (1); an active rotating shaft (9) is installed at both ends of the rotating plate (6), and the active rotating shaft (9) can rotate on the side plate (8); The straightening assembly is used to adjust the two telescopic rods (5) and the connecting block (7) to a linear state.

2. A measuring device for mobile home installation according to claim 1, characterized in that: The transmission mechanism includes a driving gear (10), a transmission gear (11), a No. 1 return spring (12) and a No. 2 return spring (13); the driving gear (10) is fixedly mounted on the rotating plate (6), the transmission gear (11) is rotatably mounted in the functional block (1), the driving gear (10) can be engaged with the transmission gear (11), the transmission gear (11) is engaged with the display rack (4), the No. 1 return spring (12) and the No. 2 return spring (13) are both located in the sliding groove, and the No. 1 return spring (12) and the No. 2 return spring (13) are respectively located at both ends of the display rack (4).

3. The measuring device for installing a mobile home according to claim 1, characterized in that: The straightening assembly comprises a No. 1 plug sleeve (14), a No. 2 plug sleeve (15) and a docking pin (16); the No. 1 plug sleeve (14) and the No. 2 plug sleeve (15) are respectively fixedly mounted on two telescopic rods (5); the docking pin (16) slides through the No. 1 plug sleeve (14); and the No. 2 plug sleeve (15) is provided with a plug slot adapted to the docking pin (16).

4. A measuring device for mobile home installation according to claim 2, characterized in that: The side plate (8) is provided with a movable slide groove (17), the active rotating shaft (9) can slide in the movable slide groove (17), the inner wall of the end of the movable slide groove (17) is provided with a rotating hole that rotates with the active rotating shaft (9), the rotating plate (6) is provided with a telescopic hole, the active rotating shaft (9) is slidably installed in the telescopic hole, and an ejection spring (18) is installed in the telescopic hole. The ejection spring (18) can make the active rotating shaft (9) have a tendency to move out of the telescopic hole. When the connecting block (7) enters the rotating hole, the active gear (10) is meshed with the transmission gear (11); An exit assembly is mounted on the side plate (8), and the exit assembly is used to drive the active rotating shaft (9) to disengage from the rotating hole.

5. The measuring device for installing a mobile home according to claim 4, characterized in that: The rotating plate (6) is also provided with a receiving hole, in which a reset slide shaft (19) is slidably installed. The reset slide shaft (19) can be received in the receiving hole, and the reset slide shaft (19) can slide in the movable slide groove (17); A linkage mechanism is provided between the active rotating shaft (9) and the movable slide groove (17), and the linkage mechanism is capable of converting the telescopic movement of the active rotating shaft (9) in the telescopic hole into the contraction and extension movement of the movable slide groove (17) in the receiving hole.

6. The measuring device for installing a mobile home according to claim 5, characterized in that: The linkage mechanism includes a No. 1 hydraulic cylinder (20) and a No. 2 hydraulic cylinder (21), wherein the No. 1 hydraulic cylinder (20) is installed in the rotating plate (6), and the output shaft of the No. 1 hydraulic cylinder (20) is fixedly connected to one end of the active rotating shaft (9), and the No. 2 hydraulic cylinder (21) is fixedly installed in the rotating plate (6), and the output shaft of the No. 2 hydraulic cylinder (21) is fixedly connected to one end of the reset sliding shaft (19), and the oil cylinder of the No. 1 hydraulic cylinder (20) is connected to the oil cylinder of the No. 2 hydraulic cylinder (21).

7. The measuring device for installing a mobile home according to claim 6, characterized in that: When the active rotating shaft (9) is inserted into the rotating hole, the reset sliding shaft (19) is completely received in the receiving hole.

8. The measuring device for installing a mobile home according to claim 4, characterized in that: The ejection assembly includes an ejection rod (22) and a return spring (23); an ejection hole connected to the rotating hole is provided on the side plate (8); the ejection rod (22) is slidably installed in the ejection hole; a boss is circumferentially connected to the outer periphery of the ejection rod (22); a limiting groove slidably engaged with the boss is provided on the inner wall of the ejection hole; the return spring (23) is located in the limiting groove, and both ends of the return spring (23) are respectively connected to the inner wall of the end of the limiting groove and the boss.

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