CN112459520B

CN112459520B - Crack repairing and fixing device

Info

Publication number: CN112459520B
Application number: CN202011257928.XA
Authority: CN
Inventors: 李有为; 付洁
Original assignee: Jiangxi Institute of Fashion Technology
Current assignee: Jiangxi Institute of Fashion Technology
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2022-05-17
Anticipated expiration: 2040-11-11
Also published as: CN112459520A

Abstract

The invention relates to the technical field of ancient building maintenance, and discloses a crack repairing and fixing device, which comprises a rack and a fixing device, wherein the rack is provided with a workbench; the two groups of limiting assemblies are oppositely arranged on the workbench at intervals and movably and are suitable for being fixed on two sides of the crack respectively, and any one group of limiting assembly comprises two limiting pieces which are oppositely and movably arranged; the first lifting mechanism is arranged between the limiting assembly and the workbench and is suitable for driving the limiting assembly to do vertical lifting motion relative to the workbench. Through setting up two sets of spacing subassemblies, arbitrary a set of spacing subassembly all includes two locating parts that can move about relatively, relies on two sets of spacing subassemblies to fix the crack both sides respectively and fixes two faces of every side simultaneously, has improved fixed effect greatly, has effectively avoided the secondary destruction of treating the restoration. And the height of the whole device is adjusted by utilizing the first lifting mechanism so as to adapt to the height of the part to be repaired.

Description

Crack repairing and fixing device

Technical Field

The invention relates to the technical field of ancient building maintenance, in particular to a crack repairing and fixing device.

Background

In the historical development, the ancient buildings are damaged or even destroyed due to the influence of natural or artificial factors. Especially, in recent years, the old cities of large areas of cities are transformed, so that cultural heritages of ancient buildings are damaged in different degrees, and effective repair and protection measures must be taken, so that the cultural background of the ancient buildings can be shown for a long time. In recent years, ancient towns and ancient villages all over the country become hot spots for tourism and leisure, and development and repair of ancient buildings become an important part of the building field.

The repair of the historic building is always a difficult problem in the building industry, and weather factors can cause secondary damage to the historic building in the repair process, so that the repair difficulty is increased.

The support is built around ancient building to the current restoration of ancient building, generally need be fixed the building, though this kind of support simple structure, can't adjust to the building of co-altitude not, and the flexibility is relatively poor, need to build a plurality of supports to the building of co-altitude not, still must dismantle the support after repairing the completion simultaneously, and the repairmen need spend a large amount of time to build the support and dismantle the support, wastes time and energy, and is inefficient.

Therefore, as the chinese patent CN210858084U discloses a crack repairing and fixing device, a first fixing block and a second fixing block are disclosed, wherein a sliding box is arranged at one end of the first fixing block, a sliding rod is slidably arranged at the other end of the sliding box, the other end of the sliding rod is fixedly connected with the second fixing block, and the distance between the first fixing block and the second fixing block is adjusted by the sliding arrangement of the sliding rod and the sliding box, so as to be suitable for walls with different widths. In addition, the bottom ends of the first fixing block and the second fixing block are connected with the telescopic rod through limiting bolts respectively, the whole device is adjustable in the height direction through the telescopic rod, and the applicability and flexibility of the device are greatly improved. Be provided with the grip block on the slip box, hug closely the top of building through the grip block and fix this ancient building in the face of. Maintenance efficiency can be greatly improved, and maintenance personnel can repair cracks conveniently. However, in the fixing device with the structure, the clamping plate only fixes the top end face of the building, the fixing effect is not ideal, and the clamping plate can extrude and fix the top end face of the wall body to cause secondary damage to the wall body, so that cracks are enlarged.

Disclosure of Invention

The invention aims to solve the technical problems that in the prior art, the clamping plate only extrudes and fixes the top end of the wall body, the fixing effect is poor, and secondary damage to the wall body is easily caused, so that the crack repairing and fixing device which can fix two sides of a crack and has a good fixing effect is provided.

Therefore, the invention provides a crack repairing and fixing device, which comprises:

a frame having a table;

the two groups of limiting assemblies are oppositely arranged on the workbench at intervals and movably and are suitable for fixing two sides of the crack respectively, and any one group of limiting assembly comprises two limiting parts which are oppositely and movably arranged;

the first lifting mechanism is arranged between the limiting assembly and the workbench and is suitable for driving the limiting assembly to do vertical lifting motion relative to the workbench.

Optionally, the crack repairing and fixing device further includes two sets of limiting assemblies disposed on two sides of the workbench, and any one of the sets of limiting assemblies further includes:

one end of the mounting plate is movably mounted on the workbench through the first lifting mechanism, and the other end of the mounting plate is parallel to the table top of the workbench and extends away from the first lifting mechanism;

the two locating parts are arranged at one end, far away from the first lifting mechanism, of the mounting plate, one of the two locating parts is a fixed locating part, and the other one is a movable locating part which is driven by the driving mechanism to be slidably arranged along the extending direction of the mounting plate.

Optionally, the crack repairing and fixing device, the limiting assembly further includes:

the buffer piece is arranged on the end faces, facing to each other, of the fixed limiting piece and the movable limiting piece;

and the pressure sensors are embedded on the mutually-facing end surfaces of the buffer parts and are used for detecting the abutting pressure of the corresponding limiting parts.

the camera device is arranged at one end, away from the first lifting mechanism, of the mounting plate, and the movable limiting part is located between the fixed limiting part and the camera device.

Optionally, the fracture repairing and fixing device further includes:

the working space is arranged in the workbench and can be used for workers to enter and exit;

the control console is arranged on the inner side of the working space, and the first lifting mechanism and the limiting assembly are electrically connected with the control console;

the storage box is arranged below the console and used for placing the repairing tool.

Optionally, the fracture repairing and fixing device includes:

the first sliding block is consistent with the extending direction of the mounting plate and is arranged on the workbench in a sliding mode along the direction vertical to the mounting plate;

the second sliding block is arranged on the first sliding block in a sliding manner;

and one end of the lifting column is connected with the second sliding block, and the other end of the lifting column is connected with the mounting plate.

Optionally, the fracture repairing and fixing device further comprises;

the first positioning piece is used for fixing the first sliding block and the workbench, and a first positioning hole matched with the first positioning piece is formed in the workbench; and/or

And the second positioning part is used for fixing the second sliding block and the first sliding block, and a second positioning hole matched with the second positioning part is formed in the first sliding block.

Optionally, the fracture repairing and fixing device further includes:

the base is arranged below the workbench;

and the second lifting mechanism is arranged between the workbench and the base and used for driving the workbench and the limiting assembly to do vertical lifting motion relative to the base.

Optionally, the fracture repairing and fixing device further includes:

at least one direction extensible member, locate the workstation with between the base, the flexible direction of direction extensible member with second elevating system's direction of rise is unanimous, is used for right the workstation with spacing subassembly is vertical elevating movement and leads.

Optionally, the fracture repairing and fixing device further includes:

the travelling wheel is arranged at the bottom end of the rack and used for driving the rack to move;

positioning mechanism sets up the frame bottom is used for the walking wheel drive the frame removes the back that targets in place will the frame is fixed, positioning mechanism includes:

the positioning sleeve is provided with a through hole which vertically extends through the positioning sleeve;

the positioning piece can be inserted into the through hole in a sliding mode;

the locking piece can be inserted between the positioning sleeve and the positioning piece so as to fix the positioning piece at any position of the through hole, and the bottom end of the positioning piece can stretch out of the through hole and is fixed on the ground through the locking piece.

The technical scheme of the invention has the following advantages:

1. according to the crack repairing and fixing device, two groups of limiting assemblies are arranged, any one group of limiting assembly comprises two limiting parts capable of moving relatively, two sides of a crack are fixed by the two groups of limiting assemblies respectively, and two surfaces of each side are fixed simultaneously, so that the fixing effect is greatly improved, and secondary damage to a piece to be repaired is effectively avoided. And the height of the whole device is adjusted by utilizing the first lifting mechanism so as to adapt to the height of the part to be repaired.

2. According to the crack repairing and fixing device, due to the arrangement of the buffer parts, the limit parts can be tightly attached and fixed with the to-be-repaired part, meanwhile, the buffer protection effect can be achieved, and secondary damage is avoided.

3. According to the crack repairing and fixing device, the limiting piece is controlled by the control panel to stop in time by arranging the pressure sensor, so that secondary damage to a to-be-repaired piece is avoided, and the use safety of the limiting piece is improved.

4. According to the crack repairing and fixing device, the camera device and the display screen are arranged, so that the condition of the other side can be observed in real time, the crack repairing efficiency is improved, and the construction is convenient for workers.

5. According to the crack repairing and fixing device, the positioning piece is arranged, so that the fixing device can be fixed in the repairing and fixing process, the stability of the whole device is guaranteed, and the fixing effect is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic front view of a crack repairing and fixing device according to an embodiment of the present invention;

FIG. 2 is a schematic top view of a crack repairing fixture according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a set of lifting mechanisms and a set of limiting assemblies (not including a worktable) of the fracture repairing and fixing device according to the embodiment of the invention;

FIG. 4 is a schematic view of another angle of a set of lifting mechanisms and a set of limiting assemblies (including a worktable) of the fracture repairing fixture according to the embodiment of the invention;

FIG. 5 is a schematic structural diagram of a set of lifting mechanisms and a set of limiting assemblies (not including a worktable) of the fracture repairing fixture according to the embodiment of the invention;

fig. 6 is a circuit frame diagram of the control panel and the limiting component, the first lifting mechanism and the second lifting mechanism of the crack repairing and fixing device according to the embodiment of the invention.

Description of reference numerals:

1-a frame; 11-a workbench; 110 — a workspace; 12-a base;

2-a limiting component; 21-a limit stop; 211-fixed limit stop; 212-a movable limit; 213-an electric slide rail; 22-a mounting plate; 23-a clamping plate; 24-a buffer; 25-a pressure sensor; 26-an image pickup device;

3-a first lifting mechanism; 30-a slide rail; 300-a second positioning hole; 301-a second positioning element; 31-a first slider; 310-a first positioning hole; 311-a first positioning member; 32-a second slider; 33-a lifting column; 34-a stiffener;

4-a second lifting mechanism;

5-guiding the telescopic piece;

6-travelling wheels;

7-a positioning mechanism; 71-a positioning sleeve; 72-a positioning element; 73-a lock;

8-a console; 80-a support plate; 81-an operation panel; 82-a display screen;

9-a protective door;

10-storage box.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, the crack repairing and fixing device provided in this embodiment includes a frame 1, two sets of limiting assemblies 2, a first lifting mechanism 3, a second lifting mechanism 4, a console 8, a traveling wheel 6, and a positioning mechanism 7. Wherein frame 1 is square frame, including workstation 11 that has workspace 110 in and the base 12 of setting in workstation 11 bottom, the top terminal surface of concrete workstation 11 also is the mesa and is the opening, control cabinet 8 sets up in workspace 110 and sets up the rear side intermediate position at workstation 11 through backup pad 80, be equipped with control panel 81 and display screen 82 on the control cabinet 8, control cabinet 8 and first elevating system 3, be connected electrically between second elevating system 4 and the spacing subassembly 2, be used for driving the lift activity of first elevating system 3 and second elevating system 4 and control being close to of spacing subassembly 2 or keeping away from the activity in order to being fixed by the article to be restoreed. The two groups of limiting assemblies 2 are slidably arranged at the upper end of the opening and are positioned at two sides of the rack 1, such as the left side and the right side of the rack 1 shown in fig. 2. The first lifting mechanism 3 is arranged between the workbench 11 and the limiting assembly 2 and used for driving the limiting assembly 2 to do lifting motion in the vertical direction. The second lifting mechanism 4 is arranged between the workbench 11 and the base 12 and used for driving the workbench 11 and the limiting assembly 2 to jointly perform lifting movement in the vertical direction. The road wheels 6 are arranged at four corners at the bottom end of the base 12 and used for driving the frame 1 to move. The positioning mechanisms 7 are arranged at the outer sides of four corners of the base 12 and are used for fixing the whole fixing device on the ground at the position of the crack needing to be repaired.

As shown in fig. 1 to 5, each of the limiting assemblies 2 includes a mounting plate 22, two limiting members 21, two buffering members 24, two pressure sensors 25, and an image pickup device 26. One end of the mounting plate 22, namely the bottom surface of the front end of the mounting plate 22 shown in fig. 2, is movably mounted on the workbench 11 through the first lifting mechanism 3, and the other end extends away from the first lifting mechanism 3 along the table top parallel to the workbench 11, namely extends horizontally backwards as shown in fig. 2. That is, the two mounting plates 22 of the two spacing assemblies 2 are arranged on the table top of the workbench 11 at a left-right opposite parallel interval. It should be noted here that the sliding directions of the two position limiting assemblies 2 include a transverse direction, i.e., a left-right direction as shown in fig. 2, and a longitudinal direction, i.e., a front-back direction as shown in fig. 2. The two limiting members 21 are oppositely spaced and slidably disposed on one end of the mounting plate 22 away from the first lifting mechanism 3, that is, the bottom surface of the rear end of the mounting plate 22 shown in fig. 2. One of the two limiting members 21 is a fixed limiting member 211, and the other one is a movable limiting member 212, specifically, the one close to the first lifting mechanism 3 is the fixed limiting member 211, and the one far from the first lifting mechanism 3 is the movable limiting member 212. More specifically, the movable limiting member 212 is L-shaped, the movable limiting member 212 is electrically connected to the control panel 81, an electric slide rail 213 can be disposed at the bottom end of the mounting plate 22, and the control panel 81 controls the movable limiting member 212 to slide along the electric slide rail 213 in a reciprocating manner, so as to change the distance between the movable limiting member 212 and the fixed limiting member 211, and fix the limited object in the limiting space between the two limiting members 21. The end surfaces of the two limiting members 21 facing each other are respectively provided with a buffer member 24, such as conventional sponge, wear-resistant rubber, and other materials having an elastic reset function. The mutually facing end surfaces of the two buffer members 24 are respectively provided with an embedded groove, a pressure sensor 25 is embedded in the embedded groove, and the abutting pressure of the two limiting members 21 abutting against the surface of the limited object can be detected through the arrangement of the pressure sensor 25. The shape of the caulking groove may be a square groove or other shapes, and is not limited to the specific shape, and may be adapted to the shape of the pressure sensor 25. For the pressure sensor 25, for example, a pressure sensor with a model number of CAZF-Y8 on the existing market, the pressure sensor 25 is electrically connected with the control panel 81 of the console 8, when the abutting pressure of the limiting piece 21 and the surface of the limited object reaches a preset value, the control panel 81 controls the limiting piece 21 to stop, so that secondary damage caused by extrusion on the surface of the limited object is avoided, and the safety in use is improved. In order to make the other side clearly visible when the worker is working, as shown in fig. 2 to 4, an image pickup device is disposed at one end of the mounting plate 22 away from the first lifting mechanism 3, that is, at the bottom of the rear end of the mounting plate shown in fig. 2, that is, the movable limiting member 212 is disposed between the fixed limiting member 211 and the image pickup device 26. The camera device 26 can be an existing conventional high-definition 360-degree rotary camera, the specific structure and the working principle are not described and limited in detail, the camera is electrically connected with the control panel 81, the camera can shoot the condition of the other surface in real time and transmit the situation to the control panel 81, and the situation is displayed on the display screen 82 to be watched by workers, so that the repairing efficiency of cracks is improved, and the workers can be conveniently constructed. Optionally, a clamping plate 23 may be further disposed between the limiting member 21 and the buffering member 24, so that the structure of the limiting member 21 is firmer and the clamping effect is better. As a first alternative embodiment, the two limiting members 21 may also be both movable limiting members, and are respectively electrically connected to the control panel 81, and are controlled by the control panel 81 to slide toward or away from each other. As a second alternative, the end faces of the two limiting members 21 facing each other may not be provided with the buffering member 24. As a third alternative embodiment, the end faces of the two damping elements 24 facing each other may also be provided without pressure sensors 25 or only the end face of one limiting element 21 facing the other limiting element 21 may be provided with a pressure sensor 25. As a fourth alternative embodiment, the camera device 26 may not be provided on the mounting plate 22.

The first lifting mechanism 3 includes two first sliders 31, two second sliders 32, two lifting columns 33, two first positioning members 311, and two second positioning members 301. Specifically, as shown in fig. 2 to 5, each first slider 31 is an i-shaped slider, the first slider 31 is disposed on the working platform 11 parallel to the mounting plate 22, the first slider 31 and the mounting plate 22 extend in the same direction, that is, in the front-back direction shown in fig. 2, and the two first sliders 31 can slide close to or away from each other in the left-right direction shown in fig. 2. Specifically, two slide rails 30 extending in the left-right direction are disposed on the table top of the workbench 11, wherein the middle of the slide rail 30 at the front end as shown in fig. 2 is separated to form two sections of slide rails, and the slide rail 30 at the rear end is a whole slide rail. Each second sliding block 32 is a concave sliding block, the two second sliding blocks 32 are correspondingly arranged on the two first sliding blocks 31 in a sliding manner, and the second sliding blocks 32 can slide along the extending direction of the first sliding blocks 31, namely, along the front-back direction shown in fig. 2, so that the limiting assembly 2 can slide vertically and horizontally on the horizontal plane. The lifting column 33 is a sleeve column structure sleeved with each other, the bottom end of the lifting column is connected to the second sliding block 32, and the top end of the lifting column is fixedly connected with the mounting plate 22. Preferably, a plurality of first positioning holes 300 arranged at intervals are opened on the top surface of the workbench 11, specifically, the slide rail 30, the first slider 31 can be inserted into the first positioning holes 300 through the first positioning members 311, such as screws, to fix the first slider 31 on the workbench 11, correspondingly, a plurality of second positioning holes 310 arranged at intervals are opened on the first slider 31, and the second slider 32 can be inserted into the second positioning holes 310 through the second positioning members 301, such as screws, to fix the second slider 32 on the first slider 31. Optionally, to improve stability between the lifting column 33 and the mounting plate 22, a stiffener 34 having a triangular shape may be provided at the junction of the lifting column 33 and the mounting plate 22. As shown in fig. 2 to 5, four stiffening ribs 34 are provided at the junction between each lifting column 33 and the mounting plate 22. Alternatively, guide rails 312 extending in the extending direction of the first slider 31 are respectively disposed on the outer wall of the first slider 31, that is, the front and rear sides of the first slider 31 shown in fig. 4. By arranging the stiffening ribs 34 and the guide sliding rails 312, the stability of the mounting plate 22 can be effectively improved, and the mounting plate 22 can bear larger pressure, so that the firmness of the limiting member 21 is improved.

Optionally, the peripheral wall of the workbench 11 is an opening structure, wherein a support plate 80 is disposed at a middle position of the rear side of the workbench 11 as shown in fig. 1 for facilitating installation of the console 8, and the console 8 is fixed at the inner side of the support plate 80. In order to reduce the risk of falling when the worker performs the repair operation in the working space 110, a gap is provided between two sections of slide rails 30 at the front end, specifically, the front end, of the middle position of the front end of the rack shown in fig. 1, and the gap is hinged with an openable protective door 9 through a hinge. Still be equipped with the storage tank 10 that is used for placing the instrument of repairing the crack usefulness at the lower extreme of control cabinet 8, effectively improved workstation 11's functionality, make things convenient for the staff to be under construction.

The second lifting mechanism 4 is a conventional electro-hydraulic lifting rod. As shown in fig. 1, four guiding telescopic members are provided between the base 12 and the table 11. Specifically, as shown in fig. 1, the guiding telescopic element 5 is at least two sleeves or rods or electro-hydraulic rods sleeved and connected with each other, and is disposed at four angular positions of the working platform 11 and the base 12. Through setting up direction extensible member 5, when workstation 11 carries out vertical oscilaltion, direction extensible member 5 can carry out effective fixed to the workstation, avoids rocking of workstation 11 emergence left right position, has improved the stability of workstation 11 when going up and down.

Optionally, the road wheels 6 are conventional universal wheels or common road wheels. In order to stably fix the base 12 on the ground; as shown in fig. 1, the outer walls of the four corners of the base 12 are respectively provided with positioning mechanisms 7, and each positioning mechanism 7 includes a positioning sleeve 71, a positioning member 72 and a locking member 73. Specifically, the positioning sleeve 71 is provided with a through hole vertically extending through the positioning sleeve 71, the bottom end of the positioning sleeve 71 is not lower than the bottom end of the travelling wheel 6, and preferably, the bottom end of the positioning sleeve 71 is flush with the bottom end of the base 12. The positioning member 72 is a rod-shaped positioning column movably inserted into the through hole of the positioning sleeve 71, and the top end of the positioning member 72 is in a conical structure and has a diameter larger than that of the through hole. The locking member 73 is a conventional screw or latch that can be inserted between the positioning sleeve 71 and the positioning member 72 to fix the positioning member 72 in the positioning sleeve 71 at a desired position. Correspondingly, the positioning member 72 and the positioning sleeve 71 are both provided with insertion holes (not shown) opened along the radial direction, so that when the rack 1 needs to be fixed, the locking member 73 is firstly taken out, the positioning member 72 is fixed on the ground by using a tool such as an iron hammer, and the positioning member 72 and the positioning sleeve 71 are fixed by using the locking member 73. When the frame 1 needs to be moved after the construction is completed, the positioning member 72 is only required to be pulled out of the ground. Alternatively, when the positioning member 72 is fixed to the ground, the locking member 73 may not be fixed to the positioning member 72 and the positioning sleeve 71.

It should be noted that, when the crack repairing and fixing device of this embodiment is used for repairing and fixing cracks on a wall of a commercial historic building, the height of the wall of the commercial historic building is limited and the top of the wall is not closed, when the crack is repaired, the frame 1 is stopped at one side of the wall to be repaired, the first lifting mechanism 3 and the second lifting mechanism 4 are used for lifting and adjusting the height of the mounting plate 22, the second slider 32 is used for driving the limiting component 2 to slide towards the wall, so that the fixed limiting component 211 and the movable limiting component 212 are respectively located at two sides of the wall, the first slider 31 is used for adjusting the distance between the two limiting components 2, so that the two limiting components 2 can respectively fix the wall at two sides of the crack, and because the weight of the wall is heavy, the fixed limiting component 211 can be set into a plate-shaped structure which can be extended and retracted up and down, so as to adjust according to the height of the wall of the historic building, the fixed limiting part 211 abuts against one side of the ancient building wall body, the movable limiting part 212 does not need to be arranged into a telescopic structure, and only the console 8 is needed to control the movable limiting part 212 to move and abut against the wall top on the other side of the wall body according to the thickness of the wall body, so that the limiting component 2 can be ensured to simultaneously fix the two sides of the wall body, and simultaneously, the two sides of a crack are synchronously fixed respectively. Because fixed locating part 211 sets up to the extending structure that can be unanimous with the wall body height, consequently, no matter the crack is longitudinal gap or horizontal gap, can all utilize fixed locating part 211 to keep out fixedly to the one side of wall body, utilize activity locating part 212 to fix the top of the another side of wall body can, realize that the cracked two sides of wall body are fixed simultaneously, improved fixed effect greatly, can also effectively avoid the secondary destruction to the wall body. In addition, the crack repairing and fixing device of the embodiment can also be used for repairing and fixing cracks of other structural bodies, for example, repairing and fixing cracks of a light plate body, at this time, the fixing limiting part 211 does not need to be set to be a telescopic structure, only needs to be set to be a clamping plate, and the two sides of the top end of the plate body can be clamped and fixed through the fixing limiting part 211 and the movable limiting part 212.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A fracture healing fixation device, comprising:

a frame having a table;

the first lifting mechanism is arranged between the limiting assembly and the workbench and is suitable for driving the limiting assembly to do vertical lifting motion relative to the workbench;

two sets of spacing subassembly sets up the both sides of workstation, arbitrary group spacing subassembly still includes:

the two limiting parts are arranged at one end of the mounting plate far away from the first lifting mechanism, one of the two limiting parts is a fixed limiting part, and the other one of the two limiting parts is a movable limiting part which is driven by a driving mechanism to slide along the extension direction of the mounting plate;

the first lifting mechanism includes:

2. The fracture repair fixation device of claim 1, wherein the stop assembly further comprises:

3. The fracture repair fixation device of claim 1 or 2, wherein the stop assembly further comprises:

4. A fracture repair fixation device according to claim 3, further comprising:

5. The fracture repair fixation device of claim 1, further comprising;

6. The fracture repair fixation device of claim 5, wherein the frame further comprises:

the base is arranged below the workbench;

7. The fracture repair fixation device of claim 6, further comprising:

8. The fracture repair fixation device of claim 7, further comprising:

the positioning piece can be inserted into the through hole in a sliding manner;